1 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records acarine Tetranychidae 1913 1914 1 alga Cladophora glomerata 2017 2017 1 amphibian Bufo bufo Common Toad 2007 2019 3 amphibian Lissotriton vulgaris Smooth Newt 1 amphibian Rana temporaria Common Frog 1966 2019 8 annelid Alboglossiphonia heteroclita 1959 1982 4 annelid Dina lineata 1972 1973 2 annelid Erpobdella octoculata leeches 1913 1914 1 annelid Glossiphonia complanata 1959 1961 2 annelid Haemopis sanguisuga horse leech 1913 1914 1 annelid Helobdella stagnalis 1959 1961 2 annelid Oligochaeta Aquatic Worm 1982 1982 1 annelid Theromyzon tessulatum duck leech 1959 1982 6 bacterium Pseudanabaena 2008 2008 1 bacterium Synechococcus 2008 2008 1 bird Acanthis flammea Common (Mealy) Redpoll 1879 1952 3 bird Acanthis flammea subsp. rostrata Greenland Redpoll 1913 1914 1 bird Accipiter nisus Sparrowhawk 1900 2019 8 bird Acrocephalus schoenobaenus Sedge Warbler 1879 2020 19 bird Actitis hypoleucos Common Sandpiper 1913 1930 2 bird Aegithalos caudatus Long-tailed Tit 1913 2020 13 bird Alauda arvensis Skylark 1913 2012 4 bird Alcedo atthis Kingfisher 1863 2018 10 bird Anas acuta Pintail 1900 1981 4 bird Anas clypeata Shoveler 1913 2019 34 bird Anas crecca Teal 1913 2020 51 bird Anas penelope Wigeon 1913 2020 65 bird Anas platyrhynchos Mallard 1913 2020 34 bird Anas querquedula Garganey 1900 1978 3 bird Anas strepera Gadwall 1982 2018 15 bird Anser albifrons White-fronted Goose 1900 1952 1 bird Anser anser Greylag Goose 1900 2012 5 bird Anthus pratensis Meadow Pipit 1913 1916 2 bird Anthus trivialis Tree Pipit 1900 1952 2 2 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records bird Apus apus Swift 1913 2020 5 bird Ardea cinerea Grey Heron 1913 2020 7 bird Asio flammeus Short-eared Owl 1893 1991 9 bird Asio otus Long-eared Owl 1913 1999 11 bird Aythya affinis Lesser Scaup 1900 1952 2 bird Aythya ferina Pochard 1913 2020 22 bird Aythya fuligula Tufted Duck 1895 2020 49 bird Aythya marila Scaup 1916 1926 4 bird Botaurus stellaris Bittern 1909 1991 4 bird Branta canadensis Canada Goose 1993 2020 4 bird Branta leucopsis Barnacle Goose 1981 1981 1 bird Bucephala clangula Goldeneye 1913 2005 13 bird Buteo buteo Buzzard 1990 2020 19 bird Calidris alpina Dunlin 1900 1952 1 bird Calidris pugnax Ruff 1900 1994 3 bird Carduelis carduelis Goldfinch 1879 2020 19 bird Certhia familiaris Treecreeper 1913 2020 2 bird Charadrius hiaticula Ringed Plover 1900 1952 1 bird Charadrius morinellus Dotterel 1909 1914 2 bird Chlidonias niger Black Tern 1876 1876 2 bird Chloris chloris Greenfinch 1913 2008 3 bird Chroicocephalus ridibundus Black-headed Gull 1900 2020 14 bird Cinclus cinclus Dipper 1900 1952 2 bird Circus aeruginosus Marsh Harrier 1945 1988 2 bird Circus cyaneus Hen Harrier 1982 1988 4 bird Columba livia Feral Pigeon 2019 2020 2 bird Columba oenas Stock Dove 1900 2018 4 bird Columba palumbus Woodpigeon 1913 2020 18 bird Corvus corax Raven 1982 1982 1 bird Corvus corone Carrion Crow 2018 2020 8 bird Corvus corone subsp. corone Carrion Crow 1910 1992 2 bird Corvus frugilegus Rook 1900 1952 2 bird Corvus monedula Jackdaw 1913 2020 5 bird Crex crex Corncrake 1913 1936 4 3 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records bird Cuculus canorus Cuckoo 1913 1992 4 bird Cyanistes caeruleus Blue Tit 1913 2020 15 bird Cygnus atratus Black Swan 1915 1924 2 bird Cygnus columbianus Bewick's Swan 1909 1981 5 bird Cygnus cygnus Whooper Swan 1918 2020 11 bird Cygnus olor Mute Swan 1871 2020 40 bird Delichon urbicum House Martin 1913 1914 2 bird Dendrocopos major Great Spotted Woodpecker 1900 1999 6 bird Emberiza calandra Corn Bunting 1913 1914 1 bird Emberiza citrinella Yellowhammer 1913 2020 3 bird Emberiza schoeniclus Reed Bunting 1913 2020 26 bird Erithacus rubecula Robin 1913 2020 13 bird Falco columbarius Merlin 1913 1985 4 bird Falco peregrinus Peregrine 1900 2020 17 bird Falco tinnunculus Kestrel 1900 2020 9 bird Ficedula hypoleuca Pied Flycatcher 1900 1952 1 bird Fratercula arctica Puffin 1913 1914 1 bird Fringilla coelebs Chaffinch 1913 2020 5 bird Fringilla montifringilla Brambling 1879 1997 3 bird Fulica atra Coot 1909 2020 75 bird Gallinago gallinago Snipe 1879 2020 17 bird Gallinula chloropus Moorhen 1913 2020 13 bird Garrulus glandarius Jay 2020 2020 2 bird Gavia stellata Red-throated Diver 1871 1951 5 bird Haematopus ostralegus Oystercatcher 1900 1952 1 bird Himantopus himantopus Black-winged Stilt 1867 1914 3 bird Hirundo rustica Swallow 1909 2020 13 bird Hydrocoloeus minutus Little Gull 1982 1983 2 bird Larus argentatus Herring Gull 2018 2020 3 bird Larus argentatus subsp. argenteus Herring Gull 1913 1993 3 bird Larus canus Common Gull 1913 1914 1 bird Larus fuscus Lesser Black-backed Gull 1913 2020 11 bird Larus glaucoides Iceland Gull 1988 1993 2 bird Larus glaucoides subsp. glaucoides Iceland Gull 1984 1984 1 4 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records bird Larus hyperboreus Glaucous Gull 1983 1998 6 bird Larus marinus Great Black-backed Gull 1913 2020 5 bird Limosa limosa Black-tailed Godwit 1900 1952 4 bird Linaria cannabina Linnet 1909 1914 2 bird Linaria flavirostris Twite 1913 1988 2 bird Locustella naevia Grasshopper Warbler 1900 2020 17 bird Lymnocryptes minimus Jack Snipe 1887 2003 43 bird Mergellus albellus Smew 1900 1986 4 bird Mergus merganser Goosander 1975 2013 5 bird Mergus serrator Red-breasted Merganser 1991 1993 3 bird Motacilla alba subsp. alba White Wagtail 1895 1914 2 bird Motacilla alba subsp. yarrellii Pied Wagtail 1879 2019 4 bird Motacilla cinerea Grey Wagtail 1913 2018 2 bird Motacilla flava Yellow Wagtail 1913 1914 2 bird Muscicapa striata Spotted Flycatcher 1900 1999 3 bird Numenius arquata Curlew 1913 1914 2 bird Numenius phaeopus Whimbrel 1900 1988 3 bird Oenanthe oenanthe Wheatear 1910 1914 3 bird Oenanthe oenanthe subsp. leucorhoa Greenland Wheatear 1913 1914 1 bird Oxyura jamaicensis Ruddy Duck 1992 2004 19 bird Parus major Great Tit 1913 2020 10 bird Passer domesticus House Sparrow 1913 2020 3 bird Perdix perdix Grey Partridge 1913 1998 4 bird Periparus ater Coal Tit 1913 2020 4 bird Phalacrocorax carbo Cormorant 1894 2020 16 bird Phasianus colchicus Pheasant 1913 2020 5 bird Phoenicurus phoenicurus Redstart 1900 1952 2 bird Phylloscopus collybita Chiffchaff 1913 2020 6 bird Phylloscopus sibilatrix Wood Warbler 1900 1983 4 bird Phylloscopus trochilus Willow Warbler 1913 2020 17 bird Pica pica Magpie 1900 2020 19 bird Plectrophenax nivalis Snow Bunting 1900 1984 4 bird Pluvialis apricaria Golden Plover 1913 1991 3 bird Podiceps auritus Slavonian Grebe 1913 1914 1 5 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records bird Podiceps cristatus Great Crested Grebe 1913 2020 12 bird Poecile montana Willow Tit 1913 1988 4 bird Poecile palustris Marsh Tit 1913 1914 1 bird Porzana porzana Spotted Crake 1889 1923 4 bird Prunella modularis Dunnock 1913 2019 7 bird Pyrrhula pyrrhula Bullfinch 1879 2019 15 bird Rallus aquaticus Water Rail 1879 2020 79 bird Regulus regulus Goldcrest 1900 2011 4 bird Riparia riparia Sand Martin 1913 1992 6 bird Saxicola rubetra Whinchat 1900 1952 2 bird Saxicola rubicola Stonechat 1913 2009 8 bird Scolopax rusticola Woodcock 1990 1999 10 bird Spinus spinus Siskin 1879 1997 3 bird Sterna hirundo Common Tern 1909 1938 3 bird Streptopelia turtur Turtle Dove 1994 1994 1 bird Strix aluco Tawny Owl 1913 1993 2 bird Sturnus vulgaris Starling 1913 2019 4 bird Sylvia atricapilla Blackcap 1992 2020 4 bird Sylvia borin Garden Warbler 1900 1999 2 bird Sylvia communis Whitethroat 1900 2020 13 bird Sylvia curruca Lesser Whitethroat 1998 1998 1 bird Tachybaptus ruficollis Little Grebe 1868 2020 11 bird Tadorna tadorna Shelduck 1900 1991 3 bird Tringa nebularia Greenshank 1913 1986 2 bird Tringa ochropus Green Sandpiper 1983 1983 1 bird Tringa totanus Redshank 1913 1914 2 bird Troglodytes troglodytes Wren 1913 2020 13 bird Turdus iliacus Redwing 1913 2018 8 bird Turdus merula Blackbird 1913 2020 8 bird Turdus philomelos Song Thrush 1913 2020 5 bird Turdus pilaris Fieldfare 1992 2018 4 bird Turdus viscivorus Mistle Thrush 1913 1914 1 bird Tyto alba Barn Owl 1913 1988 2 bird Vanellus vanellus Lapwing 1913 1994 3 6 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records bony fish Pungitius pungitius Nine-spined Stickleback 1901 1902 1 bryozoan Lophopus crystallinus Crystal Moss-animal 1908 1909 1 chromist Chrysochromulina parva 2008 2008 1 chromist Cryptomonas marssonii 2008 2008 1 crustacean Asellus aquaticus Water hog lice/slaters 1982 1982 2 crustacean Copepoda Cyclopid Water-Flea 1982 1982 2 crustacean Daphnia water fleas 1982 1982 1 crustacean Eurycercus lamellatus 1982 1982 2 crustacean Ostracoda 1982 1982 1 diatom Navicula 2008 2008 1 fern Dryopteris carthusiana Narrow Buckler-fern 1988 1988 3 fern Dryopteris dilatata Broad Buckler-fern 1957 1988 6 fern Dryopteris filix-mas agg. Male Fern 1955 1956 1 flatworm Bdellocephala punctata 1983 1986 1 flowering plant Acer pseudoplatanus Sycamore 1983 1995 4 flowering plant Achillea millefolium Yarrow 1955 1995 7 flowering plant Achillea ptarmica Sneezewort 1955 1995 8 flowering plant Aegopodium podagraria Ground-elder 1955 1995 6 flowering plant Agrostis canina Velvet Bent 1988 1988 2 flowering plant Agrostis canina sensu lato Velvet Bent 1995 1995 1 flowering plant Agrostis capillaris Common Bent 1988 1995 7 flowering plant Agrostis stolonifera Creeping Bent 1988 1995 5 flowering plant Alchemilla vulgaris agg. Lady's-Mantle 1955 1956 1 flowering plant Alisma plantago-aquatica Water-plantain 1879 1956 3 flowering plant Alopecurus geniculatus Marsh Foxtail 1855 1995 4 flowering plant Alopecurus pratensis Meadow Foxtail 1955 1956 1 flowering plant Angelica sylvestris Wild Angelica 1955 1988 11 flowering plant Antennaria dioica Mountain Everlasting 1891 1956 2 flowering plant Anthoxanthum odoratum Sweet Vernal-grass 1955 1988 9 flowering plant Anthriscus sylvestris Cow Parsley 1983 1987 3 flowering plant Apium inundatum Lesser Marshwort 1879 1952 1 flowering plant Arabidopsis thaliana Thale Cress 1955 1956 1 flowering plant Arrhenatherum elatius False Oat-grass 1988 1988 2 flowering plant Artemisia vulgaris Mugwort 1983 1983 1 7 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records flowering plant Aster novi-belgii Confused Michaelmas-daisy 1983 1988 4 flowering plant Baldellia ranunculoides Lesser Water-plantain 1813 1892 2 flowering plant Bellis perennis Daisy 1955 1956 1 flowering plant Berula erecta Lesser Water-parsnip 1919 1988 10 flowering plant Betula pubescens Downy Birch 1988 1988 5 flowering plant Brassica napus Rape 1988 1988 1 flowering plant Bromus hordeaceus subsp. thominei Sand Soft-brome 1955 1956 1 flowering plant Butomus umbellatus Flowering-rush 1933 1934 1 flowering plant Calla palustris Bog Arum 1955 1956 1 flowering plant Callitriche hamulata Intermediate Water-starwort 2017 2017 1 flowering plant Callitriche palustris Narrow-fruited Water-starwort 1879 1952 2 flowering plant Callitriche platycarpa Various-leaved Water-starwort 2017 2017 1 flowering plant Callitriche stagnalis Common Water-starwort 1988 1988 2 flowering plant Calluna vulgaris Heather 1951 1988 7 flowering plant Caltha palustris Marsh-marigold 1983 2017 12 flowering plant Calystegia pulchra Hairy Bindweed 1988 1988 1 flowering plant Capsella bursa-pastoris Shepherd's-purse 1983 1988 2 flowering plant Capsella x gracilis Shepherd's-Purse 1955 1956 1 flowering plant Cardamine flexuosa Wavy Bitter-cress 1955 1983 2 flowering plant Cardamine hirsuta Hairy Bitter-cress 1955 1956 1 flowering plant Cardamine pratensis Cuckooflower 1983 1988 7 flowering plant Carex acutiformis Lesser Pond-sedge 1988 1989 1 flowering plant Carex aquatilis Water Sedge 1957 1988 2 flowering plant Carex canescens White Sedge 1891 1988 3 flowering plant Carex diandra Lesser Tussock-sedge 1988 1995 3 flowering plant Carex disticha Brown Sedge 1933 1997 3 flowering plant Carex echinata Star Sedge 1955 1956 1 flowering plant Carex elata Tufted-sedge 1955 1956 1 flowering plant Carex flacca Glaucous Sedge 1891 1956 2 flowering plant Carex flava Large Yellow-sedge 1891 1892 1 flowering plant Carex lachenalii Hare's-foot Sedge 1955 1956 1 flowering plant Carex leporina Oval Sedge 1987 1988 5 flowering plant Carex nigra Common Sedge 1955 1988 7 flowering plant Carex panicea Carnation Sedge 1891 1988 2 8 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records flowering plant Carex pilulifera Pill Sedge 1988 1988 1 flowering plant Carex pulicaris Flea Sedge 1891 1956 2 flowering plant Carex rostrata Bottle Sedge 1891 2017 11 flowering plant Carex vesicaria Bladder-sedge 1813 1892 2 flowering plant Centaurea nigra sens. lat. (=nigra/debauxii) Common Knapweed 1955 1988 9 flowering plant Cerastium fontanum Common Mouse-ear 1955 1988 3 flowering plant Cerastium glomeratum Sticky Mouse-ear 1983 1983 1 flowering plant Chamerion angustifolium Rosebay Willowherb 1900 1988 9 flowering plant Chenopodium album Fat-hen 1955 1956 1 flowering plant Cirsium arvense Creeping Thistle 1955 1988 6 flowering plant Cirsium palustre Marsh Thistle 1891 1988 8 flowering plant Cirsium vulgare Spear Thistle 1955 1988 6 flowering plant Claytonia sibirica Pink Purslane 1988 1988 1 flowering plant Conopodium majus Pignut 1983 1988 4 flowering plant Crataegus monogyna Hawthorn 1955 2008 10 flowering plant Cynosurus cristatus Crested Dog's-tail 1983 1983 1 flowering plant Cytisus scoparius Broom 1983 1983 1 flowering plant Dactylis glomerata Cock's-foot 1955 1988 7 flowering plant Dactylorhiza fuchsii Common Spotted-orchid 1987 1988 7 flowering plant Dactylorhiza incarnata subsp. coccinea Early Marsh-Orchid 1955 1956 1 flowering plant Dactylorhiza maculata Heath Spotted-orchid 1983 1987 2 flowering plant Dactylorhiza purpurella Northern Marsh-orchid 1933 2010 8 flowering plant Deschampsia cespitosa Tufted Hair-Grass 1955 1988 10 flowering plant Deschampsia flexuosa Wavy Hair-grass 1988 1988 2 flowering plant Drosera rotundifolia Round-leaved Sundew 1865 1933 11 flowering plant Eleocharis palustris Common Spike-rush 1957 1958 1 flowering plant Elodea canadensis Canadian Waterweed 1871 2017 4 flowering plant Elytrigia repens Common Couch 1988 1988 2 flowering plant Epilobium ciliatum American Willowherb 1987 1988 4 flowering plant Epilobium hirsutum Great Willowherb 1983 1988 4 flowering plant Epilobium montanum Broad-leaved Willowherb 1955 1988 4 flowering plant Epilobium obscurum Short-fruited Willowherb 1987 1988 4 flowering plant Epilobium palustre Marsh Willowherb 1891 1988 5 flowering plant Eriophorum angustifolium Common Cottongrass 1855 1988 10 9 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records flowering plant Eriophorum vaginatum Hare's-tail Cottongrass 1955 1956 1 flowering plant Erophila verna sens.lat. Common Whitlowgrass 1891 1892 1 flowering plant Euphrasia officinalis agg. Eyebright 1955 1956 1 flowering plant Fallopia convolvulus Black-bindweed 1955 1956 1 flowering plant Festuca ovina agg. Sheep's Fescue agg. 1987 1988 4 flowering plant Festuca rubra Red Fescue 1987 1988 3 flowering plant Filipendula ulmaria Meadowsweet 1955 1988 5 flowering plant Fraxinus excelsior Ash 1983 1983 1 flowering plant Galeopsis speciosa Large-flowered Hemp-nettle 1955 1956 1 flowering plant Galeopsis tetrahit Common Hemp-nettle 1955 1988 4 flowering plant Galium aparine Cleavers 1983 1988 4 flowering plant Galium palustre Marsh-bedstraw 1855 1988 9 flowering plant Galium saxatile Heath Bedstraw 1891 1988 8 flowering plant Galium uliginosum Fen Bedstraw 1955 1956 1 flowering plant Galium verum Lady's Bedstraw 1955 1956 1 flowering plant Geranium molle Dove's-foot Crane's-bill 1855 1855 1 flowering plant Geranium robertianum Herb-Robert 1955 1956 1 flowering plant Glaucium corniculatum Red Horned-poppy 1919 1920 1 flowering plant Glyceria fluitans Floating Sweet-grass 1955 1988 5 flowering plant Glyceria maxima Reed Sweet-grass 1891 2017 14 flowering plant Glyceria x pedicellata Hybrid Sweet-grass 1995 1996 1 flowering plant Gnaphalium sylvaticum Heath Cudweed 1891 1892 1 flowering plant Heracleum sphondylium Hogweed 1955 1988 8 flowering plant Hieracium vulgatum Pale-headed Hawkweed 1988 1988 1 flowering plant Hippuris vulgaris Mare's-tail 1855 2017 11 flowering plant Holcus lanatus Yorkshire-fog 1955 1988 6 flowering plant Holcus mollis Creeping Soft-grass 1987 1988 3 flowering plant Hyacinthoides non-scripta Bluebell 1983 1983 1 flowering plant Hydrocotyle vulgaris Marsh Pennywort 1891 1988 5 flowering plant Hypochaeris radicata Cat's-ear 1955 1988 7 flowering plant Iris pseudacorus Yellow Iris 1955 2017 6 flowering plant Isolepis setacea Bristle Club-rush 1891 1892 1 flowering plant Juncus acutiflorus Sharp-flowered Rush 1988 1988 3 flowering plant Juncus articulatus Jointed Rush 1988 1988 3 10 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records flowering plant Juncus bulbosus Bulbous Rush 1955 1988 2 flowering plant Juncus conglomeratus Compact Rush 1955 1988 5 flowering plant Juncus effusus Soft-rush 1983 1988 8 flowering plant Juncus squarrosus Heath Rush 1955 1988 5 flowering plant Lamium purpureum Red Dead-nettle 1955 1956 1 flowering plant Lathyrus pratensis Meadow Vetchling 1955 1988 8 flowering plant Lemna gibba Fat Duckweed 1988 1988 1 flowering plant Lemna minor Common Duckweed 1855 2017 9 flowering plant Lemna trisulca Ivy-leaved Duckweed 1891 2017 3 flowering plant Lepidium heterophyllum Smith's Pepperwort 1955 1956 1 flowering plant Leucanthemum vulgare Oxeye Daisy 1955 1983 2 flowering plant Ligustrum vulgare Wild Privet 1988 1988 1 flowering plant Lolium perenne Perennial Rye-grass 1955 1988 3 flowering plant Lotus corniculatus Common Bird's-foot-trefoil 1955 1988 5 flowering plant Lotus pedunculatus Greater Bird's-foot-trefoil 1891 1988 9 flowering plant Luzula campestris Field Wood-rush 1983 1983 1 flowering plant Luzula multiflora Heath Wood-rush 1987 1988 4 flowering plant Lycopus europaeus Gypsywort 1983 1988 3 flowering plant Lysimachia thyrsiflora Tufted Loosestrife 1885 2017 11 flowering plant Malus pumila Apple 1983 1988 2 flowering plant Matricaria chamomilla Scented Mayweed 2015 2015 1 flowering plant Matricaria discoidea Pineappleweed 1955 1988 3 flowering plant Mentha aquatica Water Mint 1955 2017 10 flowering plant Menyanthes trifoliata Bogbean 1855 2017 9 flowering plant Mimulus guttatus Monkeyflower 1987 1987 1 flowering plant Mimulus luteus Blood-drop-emlets 1955 1956 1 flowering plant Montia fontana Blinks 1891 1892 1 flowering plant Montia fontana subsp. chondrosperma Blinks 1955 1956 1 flowering plant Myosotis discolor Changing Forget-me-not 1891 1956 2 flowering plant Myosotis laxa Tufted Forget-me-not 1891 1988 4 flowering plant Myosotis scorpioides Water Forget-me-not 1891 2017 6 flowering plant Myosotis secunda Creeping Forget-me-not 1891 1988 3 flowering plant Myriophyllum spicatum Spiked Water-milfoil 1988 1988 1 flowering plant Nardus stricta Mat-grass 1891 1988 6 11 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records flowering plant Narthecium ossifragum Bog Asphodel 1879 1988 4 flowering plant Nuphar lutea Yellow Water-lily 1983 1983 1 flowering plant Nymphaea alba White Water-lily 1910 1913 1 flowering plant Oenanthe crocata Hemlock Water-dropwort 1879 1952 1 flowering plant Orchis mascula Early-purple Orchid 1955 1956 1 flowering plant Parnassia palustris Grass-of-Parnassus 1891 1892 1 flowering plant Pedicularis palustris Marsh Lousewort 1891 1988 5 flowering plant Pedicularis sylvatica Lousewort 1891 1988 5 flowering plant Persicaria amphibia Amphibious Bistort 1955 1988 5 flowering plant Persicaria maculosa Redshank 1955 1988 4 flowering plant Phalaris arundinacea Reed Canary-grass 1987 1988 10 flowering plant Phleum pratense Timothy 1988 1988 4 flowering plant Phragmites australis Common Reed 1983 1988 6 flowering plant Pilosella officinarum Mouse-ear-hawkweed 1855 1855 1 flowering plant Pinguicula vulgaris Common Butterwort 1955 1956 1 flowering plant Plantago lanceolata Ribwort Plantain 1955 1988 6 flowering plant Plantago major Greater Plantain 1955 1983 2 flowering plant Platanthera bifolia Lesser Butterfly-orchid 1955 1956 1 flowering plant Platanthera chlorantha Greater Butterfly-orchid 1955 1956 1 flowering plant Poa annua Annual Meadow-grass 1955 1988 2 flowering plant Poa pratensis sens.lat. Smooth Meadow-Grass 1955 1956 1 flowering plant Poa trivialis Rough Meadow-grass 1988 1988 3 flowering plant Polygala vulgaris subsp. vulgaris Milkwort 1891 1892 1 flowering plant Polygonatum x hybridum Garden Solomon's-seal 1988 1988 1 flowering plant Polygonum aviculare Knotgrass 1955 1988 3 flowering plant Potamogeton alpinus Red Pondweed 1891 1956 2 flowering plant Potamogeton gramineus Various-leaved Pondweed 1891 1956 2 flowering plant Potamogeton natans Broad-leaved Pondweed 1988 1988 1 flowering plant Potamogeton obtusifolius Blunt-leaved Pondweed 1933 1956 2 flowering plant Potamogeton polygonifolius Bog Pondweed 1891 1956 2 flowering plant Potamogeton pusillus Lesser Pondweed 1891 1956 2 flowering plant Potamogeton trichoides Hairlike Pondweed 2017 2017 1 flowering plant Potentilla anserina Silverweed 1983 1988 3 flowering plant Potentilla erecta Tormentil 1891 1988 7 12 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records flowering plant Potentilla palustris Marsh Cinquefoil 1891 2017 11 flowering plant Prunella vulgaris Selfheal 1955 1988 2 flowering plant Radiola linoides Allseed 1836 1892 2 flowering plant Ranunculus acris Meadow Buttercup 1955 1988 8 flowering plant Ranunculus bulbosus Bulbous Buttercup 1955 1956 1 flowering plant Ranunculus flammula Lesser Spearwort 1988 1988 2 flowering plant Ranunculus lingua Greater Spearwort 1855 2017 12 flowering plant Ranunculus omiophyllus Round-leaved Crowfoot 1891 1892 1 flowering plant Ranunculus repens Creeping Buttercup 1955 1988 9 flowering plant Ranunculus sardous Hairy Buttercup 1855 1855 1 flowering plant Ranunculus sceleratus Celery-leaved Buttercup 1933 1988 5 flowering plant Rhinanthus minor Yellow-rattle 1955 1988 2 flowering plant Ribes nigrum Black Currant 1988 1988 1 flowering plant Ribes rubrum Red Currant 1988 1988 1 flowering plant Rorippa amphibia Great Yellow-cress 1891 1892 1 flowering plant Rorippa nasturtium-aquaticum agg. Watercress 1955 1956 1 flowering plant Rorippa x sterilis Hybrid Water-cress 1983 1983 1 flowering plant Rosa canina agg. Dog Rose 1955 1988 4 flowering plant Rubus fruticosus agg. Bramble 1955 1988 8 flowering plant Rubus idaeus Raspberry 1955 1988 5 flowering plant Rumex acetosa Common Sorrel 1855 1988 11 flowering plant Rumex acetosella Sheep's Sorrel 1955 1988 3 flowering plant Rumex crispus Curled Dock 1955 1988 2 flowering plant Rumex obtusifolius Broad-leaved Dock 1983 1988 5 flowering plant Sagina nodosa Knotted Pearlwort 1891 1892 1 flowering plant Sagina procumbens Procumbent Pearlwort 1955 1956 1 flowering plant Salix aurita Eared Willow 1955 1956 1 flowering plant Salix caprea Goat Willow 1988 1989 7 flowering plant Salix cinerea Common Sallow 1891 1989 9 flowering plant Salix myrsinifolia Dark-leaved Willow 1933 1996 3 flowering plant Salix pentandra Bay Willow 1891 1989 7 flowering plant Salix phylicifolia Tea-leaved Willow 1933 1996 2 flowering plant Salix repens Creeping Willow 1891 1956 4 flowering plant Salix x fruticosa Shrubby Osier 1988 1988 2 13 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records flowering plant Salix x multinervis Willow 1955 1956 1 flowering plant Salix x rubra Green-leaved Willow 1989 1989 1 flowering plant Salix x tetrapla Willow 1995 1996 1 flowering plant Sambucus nigra Elder 1983 1988 3 flowering plant Schoenoplectus lacustris Common Club-rush 1813 2017 4 flowering plant Senecio aquaticus Marsh Ragwort 1955 1988 4 flowering plant Senecio jacobaea Common Ragwort 1955 1988 3 flowering plant Senecio viscosus Sticky Groundsel 1891 1956 3 flowering plant Senecio vulgaris Groundsel 1955 1956 1 flowering plant Silene dioica Red Campion 1988 1988 1 flowering plant Silene flos-cuculi Ragged-Robin 1891 1988 5 flowering plant Sinapis arvensis Charlock 1955 1956 1 flowering plant Sonchus oleraceus Smooth Sow-thistle 1983 1983 1 flowering plant Sorbus aucuparia Rowan 1988 1988 2 flowering plant Sparganium emersum Unbranched Bur-reed 1891 1892 1 flowering plant Sparganium erectum Branched Bur-reed 1955 1988 4 flowering plant Spergula arvensis Corn Spurrey 1955 1956 1 flowering plant Spirodela polyrhiza Greater Duckweed 1855 1855 1 flowering plant Stachys palustris Marsh Woundwort 1955 1956 1 flowering plant Stellaria alsine Bog Stitchwort 1891 1988 6 flowering plant Stellaria graminea Lesser Stitchwort 1988 1988 2 flowering plant Stellaria holostea Greater Stitchwort 1955 1956 1 flowering plant Stellaria palustris Marsh Stitchwort 1813 1989 7 flowering plant Succisa pratensis Devil's-bit Scabious 1955 2008 6 flowering plant Symphytum officinale Common Comfrey 1988 1988 1 flowering plant Taraxacum officinale agg. Dandelion 1955 1988 3 flowering plant Taraxacum palustre agg. Dandelion 1955 1956 1 flowering plant Trifolium dubium Lesser Trefoil 1955 1956 1 flowering plant Trifolium medium Zigzag Clover 1955 1988 2 flowering plant Trifolium pratense Red Clover 1955 2008 5 flowering plant Trifolium repens White Clover 1855 1988 5 flowering plant Triglochin palustre Marsh Arrowgrass 1891 1956 2 flowering plant Tripleurospermum inodorum Scentless Mayweed 1955 1988 2 flowering plant Tussilago farfara Colt's-foot 1955 2012 7 14 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records flowering plant Typha angustifolia Lesser Bulrush 1982 1982 1 flowering plant Typha latifolia Bulrush 1889 2017 8 flowering plant Urtica dioica Common Nettle 1955 1988 7 flowering plant Utricularia minor Lesser Bladderwort 1891 1934 2 flowering plant Utricularia vulgaris Greater Bladderwort 1813 1904 3 flowering plant Vaccinium myrtillus Bilberry 1955 1988 2 flowering plant Vaccinium oxycoccos Cranberry 1955 1988 2 flowering plant Valeriana officinalis Common Valerian 1955 1988 6 flowering plant Veronica arvensis Wall Speedwell 1955 1956 1 flowering plant Veronica beccabunga Brooklime 1891 1956 2 flowering plant Veronica chamaedrys Germander Speedwell 1955 1988 3 flowering plant Veronica scutellata Marsh Speedwell 1813 1989 7 flowering plant Veronica serpyllifolia Thyme-leaved Speedwell 1955 1956 1 flowering plant Vicia cracca Tufted Vetch 1983 1988 7 flowering plant Vicia sepium Bush Vetch 1855 1988 4 flowering plant Viola palustris Marsh Violet 1891 1988 4 flowering plant Vulpia bromoides Squirreltail Fescue 1891 1892 1 fungoid Chrysophyta 2008 2008 1 fungus Polyporus leptocephalus Blackfoot Polypore 2008 2008 1 fungus Sarcoscypha Scarlet Elf-cup 2013 2013 1 fungus Stereum hirsutum Hairy Curtain Crust 2008 2008 1 fungus Triphragmium ulmariae Meadowsweet Rust 2010 2010 1 harvestman Nemastoma bimaculatum 1983 1983 2 horsetail Equisetum arvense Field Horsetail 1983 1988 7 horsetail Equisetum fluviatile Water Horsetail 1891 2017 9 horsetail Equisetum palustre Marsh Horsetail 1955 1956 1 insect - alderfly Sialis lutaria Alder Fly 1982 1982 2 insect - beetle Acilius canaliculatus 1850 1932 4 insect - beetle Acilius sulcatus 1877 1 insect - beetle Acrotrichis 1972 1992 10 insect - beetle Adalia decempunctata 10-spot Ladybird 1875 1875 1 insect - beetle Agabus affinis 1851 1852 1 insect - beetle Agabus biguttatus 1982 1982 2 insect - beetle Agathidium 1972 1972 1 15 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - beetle Agonum (Europhilus) 1964 1988 4 insect - beetle Agonum fuliginosum 1920 1985 2 insect - beetle Agonum gracile 1920 1985 2 insect - beetle Agonum micans 1983 1988 2 insect - beetle Agonum muelleri 1985 1985 2 insect - beetle Agonum piceum 1919 1983 5 insect - beetle Agonum thoreyi 1972 1985 3 insect - beetle Aleocharinae 1964 1992 10 insect - beetle Alianta incana 1972 1972 2 insect - beetle Aloconota gregaria 1910 1910 2 insect - beetle Amara lunicollis 1985 1985 1 insect - beetle Amara plebeja 1901 1985 4 insect - beetle Amischa analis 1912 1912 1 insect - beetle Ampedus balteatus 1856 1857 1 insect - beetle Anacaena globulus 1920 1985 5 insect - beetle Anacaena limbata 1910 1964 2 insect - beetle Anaspis frontalis 1985 1985 1 insect - beetle Anaspis maculata 1985 1985 1 insect - beetle Anaspis rufilabris 1983 1983 1 insect - beetle Anotylus rugosus 1964 1985 4 insect - beetle Anthonomus pedicularius 1985 1985 2 insect - beetle Anthonomus rubi Strawberry Blossom Weevil 1985 1985 1 insect - beetle Aphodius 1964 1964 1 insect - beetle Aphthona atrocaerulea 1985 1985 2 insect - beetle Aphthona nonstriata Iris Flea Beetle 1983 1983 1 insect - beetle Aplotarsus incanus 1981 1983 2 insect - beetle Archarius salicivorus Willow Gall Weevil 1983 1985 4 insect - beetle Atheta graminicola 1910 1912 4 insect - beetle Atomaria (Atomaria) 1985 1985 1 insect - beetle Atomaria atricapilla 1981 1992 8 insect - beetle Atomaria barani 1985 1985 1 insect - beetle Atomaria fuscata 1983 1983 1 insect - beetle Atomaria lewisi 1992 1992 1 insect - beetle Atomaria nitidula 1981 1981 1 16 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - beetle Barynotus obscurus Ground Weevil 1985 1985 2 insect - beetle Bembidion bruxellense 1920 1920 1 insect - beetle Bembidion clarkii 1983 1985 3 insect - beetle Bembidion guttula 1983 1985 2 insect - beetle Bembidion mannerheimii 1925 1992 2 insect - beetle Blethisa multipunctata 1859 1932 3 insect - beetle Brachypterus urticae Nettle Pollen Beetle 1981 1988 2 insect - beetle Bradycellus harpalinus 1900 1985 8 insect - beetle Bradycellus verbasci 1985 1985 3 insect - beetle Byturus tomentosus Raspberry Beetle 1985 1985 1 insect - beetle Calodromius spilotus 1850 1901 1 insect - beetle Calvia quattuordecimguttata Cream-spot Ladybird 1874 1874 1 insect - beetle Cantharis decipiens 1985 1985 2 insect - beetle Cantharis figurata 1964 1964 1 insect - beetle Cantharis nigricans 1985 1985 2 insect - beetle Cantharis pallida 1985 1985 2 insect - beetle Cantharis pellucida 1985 1985 2 insect - beetle Carabus violaceus Violet Ground Beetle 1872 1872 1 insect - beetle Carpelimus corticinus 1983 1983 1 insect - beetle Carpelimus gracilis 1985 1985 2 insect - beetle Cartodere bifasciata 1985 1988 5 insect - beetle Cassida rubiginosa Thistle Tortoise Beetle 1985 1985 1 insect - beetle Catops nigricans 1964 1964 1 insect - beetle Catops nigrita 1964 1964 1 insect - beetle Cercyon unipunctatus 1850 1901 1 insect - beetle Ceutorhynchus contractus Cabbage Leaf Weevil 1972 1972 1 insect - beetle Ceutorhynchus pallidactylus Cabbage Stem Weevil 1985 1985 2 insect - beetle Choleva fagniezi 1922 1922 1 insect - beetle Chrysolina polita Knotgrass Leaf Beetle 1985 1985 2 insect - beetle Cis boleti 1850 1901 1 insect - beetle Cis nitidus 1850 1901 1 insect - beetle Coccidula rufa 1964 1988 5 insect - beetle Coccinella septempunctata 7-spot Ladybird 1985 2008 3 insect - beetle Coccinella undecimpunctata 11-spot Ladybird 1985 1985 2 17 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - beetle Coelostoma orbiculare 1846 1922 2 insect - beetle Colymbetes fuscus 1852 1 insect - beetle Coprophilus striatulus 1985 1985 1 insect - beetle Corticaria crenulata 1985 1985 2 insect - beetle Corticaria elongata 1992 1992 1 insect - beetle Coryphium 1992 1992 1 insect - beetle Crepidodera fulvicornis 1983 1985 2 insect - beetle Cryptophagus pilosus 1877 1911 1 insect - beetle Cryptophagus scutellatus 1907 1907 1 insect - beetle Ctenicera cuprea 1983 1985 3 insect - beetle Curtonotus aulicus 1988 2019 2 insect - beetle Cychrus caraboides Snail Hunter 1964 1964 1 insect - beetle Cypha laeviuscula 1912 1912 2 insect - beetle Cypha seminulum 1985 1985 1 insect - beetle Cyphon coarctatus 1981 1988 2 insect - beetle Cyphon ochraceus 1964 1988 4 insect - beetle Cyphon padi 1972 2017 8 insect - beetle Cyphon punctipennis 1983 1983 1 insect - beetle Cyphon variabilis 1983 1985 3 insect - beetle Cytilus sericeus 1985 1985 3 insect - beetle Denticollis linearis 1856 1857 1 insect - beetle Donacia simplex 1856 1857 1 insect - beetle Donacia versicolorea 1856 1902 2 insect - beetle Dorytomus taeniatus 1983 1992 2 insect - beetle Dytiscus semisulcatus 1850 1901 2 insect - beetle Elaphrus cupreus 1964 1989 5 insect - beetle Elaphrus riparius 1985 1988 3 insect - beetle Entiminae 1972 1972 1 insect - beetle Epuraea aestiva 1983 1983 1 insect - beetle Epuraea melina 1985 1985 2 insect - beetle Erichsonius cinerascens 1985 1988 4 insect - beetle Euaesthetus laeviusculus 1983 1992 2 insect - beetle Euaesthetus ruficapillus 1985 1991 7 insect - beetle Eusphalerum torquatum 1985 1985 3 18 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - beetle Eutrichapion ervi 1985 1985 2 insect - beetle Exochomus quadripustulatus Pine Ladybird 1914 1914 1 insect - beetle Gabrius trossulus 1909 1913 3 insect - beetle Galerucella lineola Brown Willow Beetle 1981 1985 6 insect - beetle Galerucella nymphaeae Water-Lily Leaf Beetle 1909 1985 7 insect - beetle Galerucella sagittariae 1900 1985 7 insect - beetle Galerucella tenella 1988 1988 1 insect - beetle Galerucini 1988 1988 1 insect - beetle Gastrophysa viridula Green Dock Beetle 1910 1988 4 insect - beetle Glischrochilus quadripunctatus 1920 1920 1 insect - beetle Graptodytes pictus 1851 1852 2 insect - beetle Grypus equiseti Horsetail Weevil 1985 1985 2 insect - beetle Gymnusa brevicollis 1991 1991 1 insect - beetle Haliplus confinis 1982 1982 2 insect - beetle Haliplus fulvus 1856 1985 2 insect - beetle Haliplus ruficollis 1910 1910 1 insect - beetle Haliplus sibiricus 1985 1985 3 insect - beetle Helophorus aequalis 1985 1988 4 insect - beetle Helophorus brevipalpis 1920 1943 2 insect - beetle Helophorus flavipes 1910 1910 1 insect - beetle Helophorus grandis 1943 1943 1 insect - beetle Helophorus granularis 1985 1991 4 insect - beetle Helophorus obscurus 1920 1943 2 insect - beetle Helophorus strigifrons 1910 1910 1 insect - beetle Hydraena 1985 1985 2 insect - beetle Hydrobius fuscipes 1920 2017 4 insect - beetle Hydroporus angustatus 1910 2017 2 insect - beetle Hydroporus discretus 1877 1911 2 insect - beetle Hydroporus erythrocephalus 1851 1852 2 insect - beetle Hydroporus incognitus 1911 1911 1 insect - beetle Hydroporus memnonius 1981 1981 1 insect - beetle Hydroporus nigrita 1910 1912 2 insect - beetle Hydroporus obscurus 1964 1964 1 insect - beetle Hydroporus palustris 1851 1852 2 19 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - beetle Hydroporus planus 1851 1852 2 insect - beetle Hydroporus pubescens 1851 1852 2 insect - beetle Hydroporus striola 1910 1910 1 insect - beetle Hydroporus umbrosus 1912 2017 2 insect - beetle Hygrotus inaequalis 1985 1985 3 insect - beetle Hypera nigrirostris 1985 1985 1 insect - beetle Hypera plantaginis 1873 1873 1 insect - beetle Hypnoidus riparius 1983 1988 2 insect - beetle Ilybius aenescens 1988 1988 1 insect - beetle Ilybius ater 1850 1910 2 insect - beetle Ischnopterapion loti 1985 1985 2 insect - beetle Laccobius bipunctatus 1912 2017 3 insect - beetle Laccobius colon 1985 1985 2 insect - beetle Laccophilus minutus 1985 1985 2 insect - beetle Lathrobium brunnipes 1985 1985 3 insect - beetle Lathrobium fovulum 1985 1985 3 insect - beetle Lathrobium fulvipenne 1983 1985 3 insect - beetle Lathrobium geminum 1985 1985 1 insect - beetle Lathrobium terminatum 1877 1988 4 insect - beetle Leistus fulvibarbis 1850 1901 1 insect - beetle Lesteva sicula subsp. heeri 1915 1992 4 insect - beetle Limnebius nitidus 1901 1922 1 insect - beetle Limnebius papposus 1988 1988 1 insect - beetle Limnebius truncatellus 1991 1991 1 insect - beetle Limnobaris dolorosa 1981 1985 3 insect - beetle Limnobaris t-album 1985 1985 2 insect - beetle Liophloeus tessulatus 1965 1965 2 insect - beetle Lochmaea suturalis Heather Beetle 1983 1983 1 insect - beetle Lordithon lunulatus 1965 1965 1 insect - beetle Lordithon thoracicus 1911 1 insect - beetle Loricera pilicornis 1964 1964 1 insect - beetle Malthodes pumilus 1985 1985 1 insect - beetle Megasternum concinnum 1972 1985 2 insect - beetle Melanotus villosus 1985 1985 1 20 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - beetle Meligethes aeneus Common Pollen Beetle 1983 1983 1 insect - beetle Meligethes carinulatus 1985 1985 3 insect - beetle Meligethes obscurus 1985 1985 1 insect - beetle Meligethes ochropus 1985 1985 2 insect - beetle Micrelus ericae Small Heather Weevil 1985 1985 1 insect - beetle Mocyta fungi 1912 1912 1 insect - beetle Mycetoporus clavicornis 1964 1983 2 insect - beetle Myllaena dubia 1983 1985 3 insect - beetle Myllaena elongata 1992 1992 1 insect - beetle Myllaena infuscata 1983 1983 1 insect - beetle Myllaena intermedia 1983 1983 1 insect - beetle Myllaena kraatzi 1912 1992 3 insect - beetle Myllaena minuta 1985 1992 6 insect - beetle Myrrha octodecimguttata 18-spot Ladybird 1875 1875 1 insect - beetle Myzia oblongoguttata Striped Ladybird 1875 1875 1 insect - beetle Nargus velox 1964 1964 1 insect - beetle Nebrioporus assimilis 1851 1852 2 insect - beetle Nedyus quadrimaculatus Small Nettle Weevil 1981 1981 1 insect - beetle Neocrepidodera transversa 1964 1964 1 insect - beetle Notaris acridulus 1850 1985 6 insect - beetle Noterus clavicornis Larger Noterus 1982 2017 5 insect - beetle Noterus crassicornis Smaller Noterus 1985 1985 1 insect - beetle Notiophilus quadripunctatus 1872 1872 1 insect - beetle Ochthebius minimus 1924 1924 2 insect - beetle Octotemnus glabriculus 1964 1964 1 insect - beetle Olophrum piceum 1856 1856 2 insect - beetle Omaliinae 1983 1983 1 insect - beetle Omalium caesum 1992 1992 1 insect - beetle Onthophilus striatus 1860 1861 2 insect - beetle Othius subuliformis 1964 1964 1 insect - beetle Otiorhynchus singularis Raspberry Weevil 1964 1964 1 insect - beetle Oxypoda elongatula 1912 1912 1 insect - beetle Oxystoma cerdo 2008 2008 1 insect - beetle Oxystoma craccae 1985 1988 3 21 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - beetle Oxystoma subulatum 1985 1985 2 insect - beetle Oxytelus 1972 1972 1 insect - beetle Perapion curtirostre 1985 1985 2 insect - beetle Perapion violaceum 1964 1988 2 insect - beetle Phaedon armoraciae Mustard Beetle 1985 1985 3 insect - beetle Phaedon tumidulus Celery Leaf Beetle 1964 1985 2 insect - beetle Philhygra volans 1912 1912 1 insect - beetle Philonthus marginatus 1964 1964 1 insect - beetle Philonthus nigrita 1913 1 insect - beetle Philonthus varians 1912 1983 3 insect - beetle Phratora vitellinae Brassy Willow Beetle 1915 1985 5 insect - beetle Phratora vulgatissima Blue Willow Beetle 1964 1964 1 insect - beetle Phyllobius argentatus Silver-Green Leaf Weevil 1983 1983 1 insect - beetle Phyllobius maculicornis Green Leaf Weevil 1985 1985 2 insect - beetle Phyllobius pyri Common Leaf Weevil 1983 1985 5 insect - beetle Phyllobius roboretanus Small Green Nettle Weevil 1985 1985 3 insect - beetle Phyllotreta flexuosa 1985 1985 1 insect - beetle Phyllotreta striolata Striped Flea Beetle 1985 1985 2 insect - beetle Plateumaris sericea 1856 1857 1 insect - beetle Poophagus sisymbrii 1985 1985 2 insect - beetle Prasocuris phellandrii 1850 1964 3 insect - beetle Protapion apricans Clover Seed Weevil 1985 1985 2 insect - beetle Protapion fulvipes White Clover Seed Weevil 1985 1985 1 insect - beetle Pselaphus heisei 1983 1985 3 insect - beetle Psylliodes picina 1981 1981 1 insect - beetle Ptenidium nitidum 1913 1 insect - beetle Pterostichus diligens 1983 1988 7 insect - beetle Pterostichus nigrita / rhaeticus 1983 1992 7 insect - beetle Pterostichus strenuus 1988 1988 1 insect - beetle Pteryx suturalis 1988 1992 2 insect - beetle Quedius balticus 1916 1922 2 insect - beetle Quedius cruentus 1965 1965 1 insect - beetle Quedius fuliginosus 1972 1972 1 insect - beetle Quedius fumatus 1983 1983 1 22 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - beetle Quedius maurorufus 1912 1992 5 insect - beetle Quedius molochinus 1964 1985 3 insect - beetle Quedius nitipennis 1856 1988 2 insect - beetle Quedius umbrinus 1856 1988 2 insect - beetle Reichenbachia juncorum 1985 1985 2 insect - beetle Rhagonycha limbata 1964 1985 2 insect - beetle Rhamphus pulicarius 1974 1974 1 insect - beetle Rhantus bistriatus 1850 1901 2 insect - beetle Rhantus exsoletus 1851 1852 2 insect - beetle Rhantus suturellus 1851 1852 1 insect - beetle Rhinoncus perpendicularis 1985 1985 1 insect - beetle Rhizophagus bipustulatus 1850 1901 1 insect - beetle Rhynchaenus fagi Beech Leaf-Mining Weevil 1985 1985 1 insect - beetle Rhyncolus ater 1874 1874 1 insect - beetle Scymnus schmidti 1983 1983 1 insect - beetle Sepedophilus littoreus 1965 1965 1 insect - beetle Sitona ambiguus 1985 1985 1 insect - beetle Sitona humeralis 1985 1985 2 insect - beetle Sitona lineatus Pea and Bean Weevil 1985 1985 1 insect - beetle Sitona suturalis 1985 1985 2 insect - beetle Stenus boops 1983 1988 2 insect - beetle Stenus brunnipes 1972 1988 4 insect - beetle Stenus fulvicornis 1983 1983 3 insect - beetle Stenus guynemeri 1991 1991 1 insect - beetle Stenus impressus 1964 1985 2 insect - beetle Stenus juno 1983 1992 7 insect - beetle Stenus latifrons 1983 1983 1 insect - beetle Stenus nitens 1985 1985 2 insect - beetle Stenus nitidiusculus 1972 1981 2 insect - beetle Stenus pallitarsis 1983 1988 3 insect - beetle Stenus tarsalis 1915 1988 5 insect - beetle Stephostethus lardarius 1985 1985 3 insect - beetle Stictonectes lepidus 1851 1852 2 insect - beetle Strophosoma 1981 1981 1 23 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - beetle Tachinus marginellus 1992 1992 1 insect - beetle Tachinus rufipes 1964 1972 2 insect - beetle Tachyerges salicis 1910 1924 3 insect - beetle Tachyporini 1985 1985 2 insect - beetle Tachyporus atriceps 1992 1992 1 insect - beetle Tachyporus chrysomelinus 1856 1992 2 insect - beetle Tachyporus formosus 1926 1926 1 insect - beetle Tachyporus obtusus 1923 1992 5 insect - beetle Tachyporus pusillus 1913 2 insect - beetle Tachyporus transversalis 1985 1985 1 insect - beetle Telmatophilus typhae 1981 1988 3 insect - beetle Thinodromus arcuatus 1985 1985 3 insect - beetle Trechus fulvus 1863 1863 2 insect - beetle Trechus obtusus 1985 1985 1 insect - beetle Tropiphorus terricola 1985 1985 2 insect - beetle Tychius picirostris 1985 1985 1 insect - butterfly Aglais io Peacock 2005 2020 7 insect - butterfly Aglais urticae Small Tortoiseshell 1988 2012 10 insect - butterfly Anthocharis cardamines Orange-tip 1989 2018 14 insect - butterfly Aphantopus hyperantus Ringlet 2010 2020 5 insect - butterfly Boloria selene Small Pearl-bordered Fritillary 1988 1988 2 insect - butterfly Coenonympha pamphilus Small Heath 1988 1988 4 insect - butterfly Colias croceus Clouded Yellow 1992 2000 2 insect - butterfly Lycaena phlaeas Small Copper 1983 2010 2 insect - butterfly Maniola jurtina Meadow Brown 1988 2010 5 insect - butterfly Pieris brassicae Large White 2000 2018 2 insect - butterfly Pieris napi Green-veined White 1983 2019 18 insect - butterfly Pieris rapae Small White 2000 2010 3 insect - butterfly Polyommatus icarus Common Blue 1877 1 insect - butterfly Vanessa atalanta Red Admiral 1992 2004 3 insect - butterfly Vanessa cardui Painted Lady 1996 2010 3 insect - caddis fly Agrypnia varia 1876 1902 2 insect - caddis fly Athripsodes aterrimus 1876 1902 2 insect - caddis fly Beraea pullata 1876 1902 2 24 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - caddis fly Ceraclea dissimilis 1877 1 insect - caddis fly Ceraclea fulva 1876 1902 2 insect - caddis fly Glyphotaelius pellucidus 1982 1982 1 insect - caddis fly Grammotaulius nigropunctatus 1876 1902 1 insect - caddis fly Holocentropus picicornis 1876 1902 2 insect - caddis fly Limnephilus affinis 1982 1982 1 insect - caddis fly Limnephilus binotatus 1876 1902 2 insect - caddis fly Limnephilus flavicornis 1876 1902 2 insect - caddis fly Limnephilus incisus 1876 1982 3 insect - caddis fly Limnephilus lunatus 1876 1902 2 insect - caddis fly Limnephilus marmoratus 1876 1902 2 insect - caddis fly Limnephilus sparsus 1876 1902 2 insect - caddis fly Limnephilus vittatus 1876 1902 2 insect - caddis fly Phryganea bipunctata 1876 1902 2 insect - caddis fly Sericostomatidae 1982 1982 2 insect - caddis fly Triaenodes bicolor 1876 1902 2 insect - dragonfly Aeshna juncea Common Hawker 1912 1912 1 insect - dragonfly Coenagrion puella Azure Damselfly 1982 2019 10 insect - dragonfly Enallagma cyathigerum Common Blue Damselfly 1982 2019 6 insect - dragonfly Ischnura elegans Blue-tailed Damselfly 1976 2019 3 insect - dragonfly Pyrrhosoma nymphula Large Red Damselfly 2008 2008 1 insect - dragonfly Sympetrum striolatum Common Darter 2005 2005 1 insect - earwig Forficula auricularia Common Earwig 2008 2008 1 insect - flea Hystrichopsylla talpae subsp. talpae Mole Flea 1922 1922 1 insect - hymenopteran Abia sericea 1876 1877 1 insect - hymenopteran Alloxysta macrophadnus 1 insect - hymenopteran Alloxysta pleuralis 1 insect - hymenopteran Bombus hortorum Small Garden Bumble Bee 1898 1901 1 insect - hymenopteran Bombus lapidarius Large Red Tailed Bumble Bee 2019 2019 1 insect - hymenopteran Bombus pascuorum Common Carder Bee 2008 2010 10 insect - hymenopteran Bombus pratorum Early Bumble Bee 2012 2012 1 insect - hymenopteran Bombus subterraneus Short-haired Bumble Bee 1898 1901 1 insect - hymenopteran Bombus sylvestris Forest Cuckoo Bee 1898 1901 1 insect - hymenopteran Bombus terrestris Buff-Tailed Bumble Bee 2008 2012 5 25 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - hymenopteran Brachythops flavens 1890 1900 1 insect - hymenopteran Claremontia waldheimii 1878 1879 1 insect - hymenopteran Dolerus liogaster 1 insect - hymenopteran Dolerus madidus 1876 1877 1 insect - hymenopteran Dolerus possilensis 1882 1883 2 insect - hymenopteran Kleidotoma ciliaris 1 insect - hymenopteran Nematus cadderensis 1886 1887 2 insect - hymenopteran Proctotrupes gravidator 1 insect - hymenopteran Tenthredo arcuata 2011 2011 1 insect - lacewing Chrysopidae Green lacewings 2019 2019 1 insect - moth Acleris bergmanniana Yellow Rose Button 1877 1 insect - moth Acronicta psi/tridens Grey/Dark Dagger 1877 1 insect - moth Aethes smeathmanniana Yarrow Conch 1856 1902 3 insect - moth Agonopterix alstromeriana Brown-spot Flat-body 1984 1984 1 insect - moth Agonopterix angelicella Angelica Flat-body 1856 1902 1 insect - moth Agonopterix conterminella Sallow Flat-body 1984 1984 1 insect - moth Agrochola lota Red-line Quaker 1877 1 insect - moth Amphipoea Indet. Ear Moth 1877 1 insect - moth Ancylis badiana Common Roller 1856 1902 2 insect - moth Anthophila fabriciana Common Nettle-tap 2008 2008 1 insect - moth Apamea crenata Clouded-bordered Brindle 1890 1890 1 insect - moth Apamea monoglypha Dark Arches 1871 1894 1 insect - moth Apamea remissa Dusky Brocade 1890 1890 1 insect - moth Apamea sordens Rustic Shoulder-knot 1890 1890 1 insect - moth Apotomis betuletana Birch Marble 1856 1902 1 insect - moth Archips rosana Rose Tortrix 1856 1902 2 insect - moth Archips xylosteana Variegated Golden Tortrix 1856 1902 2 insect - moth Argyresthia albistria Purple Argent 1856 1902 2 insect - moth Argyresthia brockeella Gold-ribbon Argent 1872 1873 1 insect - moth Argyresthia goedartella Golden Argent 1872 1873 1 insect - moth Bactra lancealana Rush Marble 1877 1 insect - moth Biston betularia Peppered Moth 1877 1 insect - moth Bryotropha politella Polished Groundling 1856 1902 2 insect - moth Bryotropha terrella Cinerous Groundling 1877 1 26 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - moth Bupalus piniaria Bordered White 1877 1 insect - moth Caloptilia alchimiella Yellow-triangle Slender 1872 1873 1 insect - moth Campaea margaritaria Light Emerald 1877 1 insect - moth Carpatolechia notatella Sallow-leaf Groundling 1856 1902 1 insect - moth Cataclysta lemnata Small China-mark 1896 1897 4 insect - moth Catoptria pinella Pearl Grass-veneer 1877 1 insect - moth Cauchas rufimitrella Meadow Long-horn 1856 1902 2 insect - moth Celypha lacunana Common Marble 1983 1983 2 insect - moth Cerapteryx graminis Antler Moth 1877 1 insect - moth Chiasmia clathrata Latticed Heath 1983 2019 9 insect - moth Chrysoclista lathamella Orange-blotch Cosmet 1980 1996 1 insect - moth Chrysoteuchia culmella Garden Grass-veneer 2019 2019 1 insect - moth Cidaria fulvata Barred Yellow 1877 1 insect - moth Clepsis spectrana Cyclamen Tortrix 1856 1902 1 insect - moth Cnephasia asseclana Flax Tortrix 1877 1 insect - moth Cochylimorpha straminea Straw Conch 1856 1902 2 insect - moth Cochylis atricapitana Black-headed Conch 1877 1 insect - moth Cochylis dubitana Little Conch 1856 1902 2 insect - moth Cochylis pallidana Sheep's-bit Conch 1856 1902 1 insect - moth Coleophora alticolella Common Rush Case-bearer 1983 1983 1 insect - moth Cosmorhoe ocellata Purple Bar 1890 1890 1 insect - moth Crocallis elinguaria Scalloped Oak 1877 1 insect - moth Deilephila elpenor Elephant Hawk-moth 1979 1980 1 insect - moth Denticucullus pygmina Small Wainscot 1877 1 insect - moth Depressaria badiella False Brown Flat-body 1984 1984 1 insect - moth Diarsia brunnea Purple Clay 1877 1 insect - moth Dichrorampha montanana Spike-marked Drill 1856 1902 2 insect - moth Dichrorampha petiverella Common Drill 1877 1 insect - moth Dichrorampha plumbana Lead-coloured Drill 1856 1902 2 insect - moth Donacaula mucronella Scarce Water-veneer 1894 1894 1 insect - moth Elophila nymphaeata Brown China-mark 1840 1902 2 insect - moth Endothenia ericetana Heath Marble 1984 1984 1 insect - moth Epiblema scutulana Thistle Bell 1983 1983 1 insect - moth Epiblema sticticana Colt's-foot Bell 1856 1902 2 27 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - moth Epinotia subocellana White Sallow Bell 1856 1902 1 insect - moth Epinotia tenerana Nut Bud Moth 1877 1 insect - moth Esperia sulphurella Sulphur Tubic 1856 1902 2 insect - moth Eucosma campoliliana Marbled Bell 1877 1 insect - moth Eudonia murana Moorland Grey 1872 1873 1 insect - moth Eudonia pallida Marsh Grey 1983 1983 1 insect - moth Eulia ministrana Brassy Twist 1856 1902 1 insect - moth Eupithecia abietaria Cloaked Pug 1860 1902 2 insect - moth Eupithecia indigata Ochreous Pug 1872 1873 1 insect - moth Eupithecia pygmaeata Marsh Pug 1983 1983 2 insect - moth Eupoecilia angustana Marbled Conch 1877 1 insect - moth Euthrix potatoria Drinker 2019 2019 1 insect - moth Exoteleia dodecella Pine Groundling 1856 1902 2 insect - moth Glyphipterix simpliciella Cocksfoot Moth 1983 2010 3 insect - moth Glyphipterix thrasonella Speckled Fanner 1983 1983 1 insect - moth Hepialus humuli Ghost Moth 1871 1894 2 insect - moth Hydraecia micacea Rosy Rustic 1877 1 insect - moth Korscheltellus fusconebulosa Map-winged Swift 1890 1890 1 insect - moth Lacanobia oleracea Bright-line Brown-eye 1890 1890 1 insect - moth Limnaecia phragmitella Bulrush Cosmet 1983 1983 2 insect - moth Lomaspilis marginata Clouded Border 2019 2019 2 insect - moth Micropterix calthella Plain Gold 1856 1902 2 insect - moth Mompha locupletella Red Cosmet 1986 1986 1 insect - moth Monopis obviella Yellow-backed Clothes 1985 1985 1 insect - moth Mythimna impura Smoky Wainscot 1871 1894 3 insect - moth Mythimna pallens Common Wainscot 1877 1 insect - moth Naenia typica Gothic 1877 1 insect - moth Noctua comes Lesser Yellow Underwing 1877 1 insect - moth Noctua pronuba Large Yellow Underwing 1890 1890 1 insect - moth Nonagria typhae Bulrush Wainscot 1988 1988 1 insect - moth Notocelia cynosbatella Yellow-faced Bell 1856 1902 2 insect - moth Nymphula nitidulata Beautiful China-mark 1840 1902 2 insect - moth Ochropleura plecta Flame Shoulder 1890 1890 1 insect - moth Ocnerostoma piniariella White Pine Ermel 1856 1902 2 28 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - moth Odezia atrata Chimney Sweeper 2011 2019 2 insect - moth Oligia fasciuncula Middle-barred Minor 1890 1890 1 insect - moth Orthosia gothica Hebrew Character 1877 1 insect - moth Pammene aurana Orange-spot Piercer 1856 1902 2 insect - moth Pandemis cerasana Barred Fruit-tree Tortrix 1856 1902 2 insect - moth Pandemis heparana Dark Fruit-tree Tortrix 1856 1902 2 insect - moth Perizoma affinitata Rivulet 1840 1902 1 insect - moth Phtheochroa inopiana Plain Conch 1985 1985 1 insect - moth Phyllonorycter ulmifoliella Red Birch Midget 1856 1902 2 insect - moth Plusia putnami Lempke's Gold Spot 1984 1984 1 insect - moth Pseudotelphusa paripunctella Tawny Groundling 1983 1984 2 insect - moth Ptilodon capucina Coxcomb Prominent 1877 1 insect - moth Rhyacionia pinivorana Spotted Shoot Moth 1872 1873 1 insect - moth Rivula sericealis Straw Dot 2019 2019 1 insect - moth Scotopteryx chenopodiata Shaded Broad-bar 2019 2019 2 insect - moth Sesia bembeciformis Lunar Hornet Moth 1856 1902 2 insect - moth Stenoptilia bipunctidactyla Twin-spot Plume 1840 1983 4 insect - moth Stigmella aurella Golden Pigmy 2005 2005 4 insect - moth Triodia sylvina Orange Swift 1840 1902 2 insect - moth Udea lutealis Pale Straw Pearl 2012 2012 1 insect - moth Udea olivalis Olive Pearl 2019 2019 1 insect - moth Xanthia togata Pink-barred Sallow 1871 1894 1 insect - moth Xanthorhoe montanata Silver-ground Carpet 1890 2010 4 insect - moth Xestia xanthographa Square-spot Rustic 1877 1 insect - orthopteran Omocestus viridulus Common Green Grasshopper 2019 2019 1 insect - true bug Arctocorisa germari 1982 1982 2 insect - true bug Callicorixa praeusta 1876 1982 2 insect - true bug Chartoscirta cincta 1983 1988 2 insect - true bug Corixa dentipes 1982 1982 2 insect - true bug Corixa punctata Punctate Corixa 1982 1982 3 insect - true bug Drymus sylvaticus 1985 1985 1 insect - true bug Gerris costae Moorland Pondskater 1876 1876 1 insect - true bug Gerris lacustris Common Pondskater 1876 1876 1 insect - true bug Gerris lateralis Pondskaters 1876 1876 1 29 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - true bug Gerris odontogaster Toothed Pondskater 1896 1896 1 insect - true bug Lygocoris rugicollis Apple Capsid 1890 1901 1 insect - true bug Nabis limbatus Marsh Damselbug 1890 1901 1 insect - true bug Notonecta Water boatmen 1985 1985 2 insect - true bug Pentatoma rufipes Red-legged Shieldbug 2013 2013 1 insect - true bug Philaenus spumarius Cuckoo-Spit Insect 2019 2019 1 insect - true bug Phytocoris longipennis 1912 1912 1 insect - true bug Pithanus maerkelii 1988 1988 1 insect - true bug Saldula saltatoria Common Shorebug 1988 1988 1 insect - true bug Sigara distincta 1890 1901 1 insect - true bug Sigara dorsalis 1982 1982 2 insect - true bug Sigara falleni 1982 1982 3 insect - true bug Sigara nigrolineata 1876 1876 1 insect - true fly Acidia cognata 1906 1908 1 insect - true fly Aedes cantans 1900 1900 1 insect - true fly Anasimyia lineata 1899 2010 6 insect - true fly Argyra leucocephala 1900 1900 1 insect - true fly Austrolimnophila ochracea 1897 1897 1 insect - true fly Beris fuscipes Short-horned Black Legionnaire 1902 1902 1 insect - true fly Beris vallata Common Orange Legionnaire 1901 1906 1 insect - true fly Bibio nigriventris 1904 1904 1 insect - true fly Cerodontha geniculata 1906 1908 1 insect - true fly Cetema cereris 1906 1908 1 insect - true fly Cetema myopinum 1906 1908 1 insect - true fly Chamaepsila atra 1906 1908 1 insect - true fly Chaoboridae Phantom or ghost midges 1982 1982 1 insect - true fly Cheilosia albitarsis 1901 2010 7 insect - true fly Cheilosia fraterna 2010 2010 1 insect - true fly Cheilosia illustrata 1901 2011 4 insect - true fly Cheilosia latifrons 1905 1905 2 insect - true fly Cheilosia pagana 1901 1904 3 insect - true fly Cheilotrichia cinerascens 1899 1900 3 insect - true fly Chironomus plumosus 1900 1900 1 insect - true fly Chlorops hypostigma 1906 1908 1 30 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - true fly Chlorops speciosus 1906 1908 1 insect - true fly Chrysogaster solstitialis 2011 2011 2 insect - true fly Chrysotoxum bicinctum 2010 2010 1 insect - true fly Copromyza stercoraria 1908 1908 1 insect - true fly Cordilura pudica 1901 1908 2 insect - true fly Culex pipiens 1919 1919 1 insect - true fly Cynomya mortuorum Yellow-faced Blowfly 1904 2010 2 insect - true fly Dasysyrphus albostriatus 2008 2008 1 insect - true fly Delia cardui 1904 1904 1 insect - true fly Demeijerea rufipes 1918 1918 1 insect - true fly Dicranomyia chorea 1900 1900 1 insect - true fly Dicranomyia didyma 1899 1899 1 insect - true fly Dicranomyia modesta 1899 1926 5 insect - true fly Dicranomyia morio 1901 1901 1 insect - true fly Dicranophragma nemorale 1897 1899 2 insect - true fly Dicranota bimaculata 1900 1900 1 insect - true fly Dixa 1899 1899 1 insect - true fly Dixella autumnalis 1898 1902 1 insect - true fly Dolichopus atratus 1901 1906 1 insect - true fly Ellipteroides lateralis 1899 1899 1 insect - true fly Empis pennipes 1901 1906 1 insect - true fly Empis trigramma 1904 1904 1 insect - true fly Epistrophe grossulariae 2010 2010 1 insect - true fly Episyrphus balteatus Marmalade Hoverfly 1900 2019 7 insect - true fly Erioconopa trivialis 1899 1989 5 insect - true fly Erioptera flavata 1899 1899 4 insect - true fly Erioptera fuscipennis 1899 1899 1 insect - true fly Erioptera lutea 1897 1899 3 insect - true fly Erioptera lutea form taenionota 1897 1899 3 insect - true fly Eristalinus sepulchralis 1899 1901 2 insect - true fly Eristalis arbustorum 1901 1901 1 insect - true fly Eristalis horticola 1900 2010 2 insect - true fly Eristalis intricarius 1899 2010 7 insect - true fly Eristalis nemorum 1900 1904 3 31 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - true fly Eristalis pertinax 2008 2010 6 insect - true fly Eristalis tenax 2008 2010 7 insect - true fly Eupeodes corollae 1918 1918 1 insect - true fly Eupeodes latifasciatus 1901 1918 4 insect - true fly Eupeodes luniger 1901 2010 7 insect - true fly Euphylidorea lineola 1906 1926 2 insect - true fly Euphylidorea phaeostigma 1972 1972 1 insect - true fly Eurithia anthophila 1900 1908 2 insect - true fly Geomyza balachowskyi 1904 1908 2 insect - true fly Geomyza combinata agg. 1901 1906 1 insect - true fly Gloma fuscipennis 1906 1906 1 insect - true fly Gonomyia 1899 1899 1 insect - true fly Graphomya maculata 1900 1900 1 insect - true fly Gymnomus caesius 1905 1908 2 insect - true fly Haematopota pluvialis Notch-horned Cleg 2019 2019 1 insect - true fly Helina subvittata 1904 1904 1 insect - true fly Helius longirostris 1899 1906 3 insect - true fly Helophilus hybridus 1901 1901 1 insect - true fly Helophilus pendulus 1901 2010 7 insect - true fly Hilara pilosa 1900 1906 2 insect - true fly Hydrellia fulviceps 1906 1906 1 insect - true fly Hydrellia griseola 1904 1906 2 insect - true fly Hydromya dorsalis 1905 1906 2 insect - true fly Hydrophoria lancifer Deer Warble Fly 1900 1900 1 insect - true fly Hylemya variata 1905 1905 1 insect - true fly Ilythea spilota 1908 1908 1 insect - true fly Lejogaster metallina 1902 2010 6 insect - true fly Leptocera fontinalis 1908 1908 1 insect - true fly Leucozona glaucia 2008 2008 2 insect - true fly Limnophila dispar 1897 1897 1 insect - true fly Limnophila ferruginea 1926 1926 1 insect - true fly Limnophila lineola 1926 1926 1 insect - true fly Limnophila nemoralis agg. 1897 1899 2 insect - true fly Limnophila schranki 1989 1989 2 32 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - true fly Limonia nubeculosa 1900 1900 2 insect - true fly Limonia phragmitidis 1906 1906 1 insect - true fly Lonchoptera lutea 1901 1906 3 insect - true fly Lotophila atra 1906 1908 1 insect - true fly Lucilia caesar Common Greenbottle 1891 1891 1 insect - true fly Lucilia silvarum Marsh Greenbottle 1901 1904 1 insect - true fly Melangyna compositarum/labiatarum 2010 2010 1 insect - true fly Melangyna umbellatarum 2011 2011 1 insect - true fly Melanogaster hirtella 1902 2011 6 insect - true fly Melanostoma mellinum 1900 2008 6 insect - true fly Melanostoma scalare 2008 2008 3 insect - true fly Meliscaeva auricollis 2008 2008 1 insect - true fly Meliscaeva cinctella 1918 1918 1 insect - true fly Microchrysa polita Black-horned Gem 1901 1906 1 insect - true fly Molophilus appendiculatus 1899 1899 1 insect - true fly Molophilus griseus 1900 1989 3 insect - true fly Molophilus serpentiger 1899 1900 2 insect - true fly Mydaea urbana 1906 1908 1 insect - true fly Myospila meditabunda 1904 1904 1 insect - true fly Neoascia meticulosa 1901 1904 1 insect - true fly Neoascia podagrica 1901 1904 2 insect - true fly Neoascia tenur 1902 1989 5 insect - true fly Nephrotoma appendiculata 1897 1966 3 insect - true fly Nephrotoma flavescens Tiger Cranefly 1964 1964 1 insect - true fly Norellisoma spinimanum 1906 1908 1 insect - true fly Notiphila cinerea 1906 1908 1 insect - true fly Ormosia varia 1900 1900 1 insect - true fly Palloptera saltuum 1906 1908 1 insect - true fly Pedicia immaculata 1900 1989 4 insect - true fly Pegoplata aestiva 1904 1908 2 insect - true fly Phaonia consobrina 1906 1906 1 insect - true fly Phaonia rufipalpis 1906 1908 2 insect - true fly Pherbina coryleti 1906 1908 1 insect - true fly Phorbia sepia 1900 1909 3 33 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - true fly Phylidorea ferruginea 1906 1926 2 insect - true fly Phylidorea fulvonervosa 1897 1899 6 insect - true fly Phytomyza affinis 1908 1908 1 insect - true fly Phytomyza albiceps 1904 1906 2 insect - true fly Phytomyza notata 1906 1906 1 insect - true fly Phytomyza obscurella 1908 1908 1 insect - true fly Phytomyza ranunculi 1906 1906 1 insect - true fly Phytomyza rufipes 1906 1908 1 insect - true fly Pilaria meridiana 1906 1906 1 insect - true fly Pilaria scutellata 1904 1904 1 insect - true fly Platycheirus albimanus 1900 2010 11 insect - true fly Platycheirus clypeatus agg. 1900 1904 5 insect - true fly Platycheirus granditarsus 1901 1904 1 insect - true fly Platycheirus manicatus 1901 1902 2 insect - true fly Platycheirus nielseni 2008 2008 3 insect - true fly Platycheirus peltatus 1900 2010 6 insect - true fly Platycheirus scambus 1902 1902 1 insect - true fly Platypalpus agilis 1901 1906 1 insect - true fly Platypalpus annulatus 1906 1908 1 insect - true fly Platypalpus longicornis 1901 1906 1 insect - true fly Platypalpus pallidiventris 1901 1906 1 insect - true fly Prionocera turcica 1897 1964 8 insect - true fly Protocalliphora azurea Bird Blowfly 1904 1904 1 insect - true fly Psychodidae Owl midges & moth flies 2008 2008 1 insect - true fly Ptychoptera albimana 1917 2008 3 insect - true fly Ptychoptera contaminata 1897 1897 1 insect - true fly Rhamphomyia subcinerascens 1904 1904 1 insect - true fly Rhamphomyia sulcata 1904 1904 1 insect - true fly Rhamphomyia sulcatella 1904 1904 1 insect - true fly Rhingia campestris 1901 1902 2 insect - true fly Rhipidia maculata 1899 1926 5 insect - true fly Sargus cuprarius Clouded Centurion 1 insect - true fly Scathophaga calida 1904 1904 2 insect - true fly Scathophaga lutaria 1906 1908 1 34 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - true fly Scathophaga stercoraria 1900 1904 3 insect - true fly Scathophaga suilla 1900 1900 1 insect - true fly Sciara hemerobioides 2011 2011 1 insect - true fly Sericomyia silentis 2008 2010 5 insect - true fly Simulium costatum 1982 1982 2 insect - true fly Simulium intermedium 1982 1982 3 insect - true fly Sphaerophoria 2011 2011 1 insect - true fly Spilogona litorea 1900 1900 2 insect - true fly Spilogona setigera 1905 1905 1 insect - true fly Synendotendipes dispar 1904 1904 2 insect - true fly Syntormon pallipes 1906 1906 1 insect - true fly Syritta pipiens 2010 2010 1 insect - true fly Syrphus ribesii 1901 2010 16 insect - true fly Syrphus vitripennis 2010 2010 3 insect - true fly Tachydromia umbrarum 1901 1904 1 insect - true fly Tetanocera fuscinervis 1906 1908 1 insect - true fly Tetanocera robusta 1899 1899 1 insect - true fly Tipula fascipennis 1900 1900 1 insect - true fly Tipula flavolineata 1897 1899 3 insect - true fly Tipula fulvipennis 1900 1900 1 insect - true fly Tipula lateralis 1989 1989 2 insect - true fly Tipula luna 1926 1926 1 insect - true fly Tipula lunata 1898 1902 1 insect - true fly Tipula luteipennis 1912 1912 2 insect - true fly Tipula melanoceros 1972 1972 1 insect - true fly Tipula oleracea 1900 1989 5 insect - true fly Tipula pagana 1919 1926 2 insect - true fly Tipula paludosa 1899 2008 4 insect - true fly Tipula scripta 1963 1964 2 insect - true fly Tipula unca 1898 1972 2 insect - true fly Tipula variicornis 1972 1972 1 insect - true fly Tipula varipennis 1900 1900 1 insect - true fly Tipula vernalis 1897 1897 1 insect - true fly Trichocera hiemalis 1900 1900 1 35 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records insect - true fly Trichocera regelationis 1926 1926 1 insect - true fly Trichocera saltator 1899 1899 1 insect - true fly Tricyphona immaculata 1900 1989 3 insect - true fly Urophora jaceana 1965 1965 1 insect - true fly Volucella pellucens 2019 2019 1 liverwort Chiloscyphus pallescens St Winifrid's Other Moss 2001 2001 1 liverwort Marchantia polymorpha Common Liverwort 2001 2001 1 liverwort Riccardia multifida Delicate Germanderwort 2001 2001 1 mollusc Acicula fusca Point Snail 1916 1916 1 mollusc Acroloxus lacustris Lake limpets 1871 1891 2 mollusc Anodonta cygnea Swan Mussel 1955 1971 2 mollusc Arianta arbustorum Copse Snail 2012 2019 3 mollusc Arion ater agg. 1917 1917 1 mollusc Arion circumscriptus agg. Dotted Slug 1886 1917 4 mollusc Arion intermedius Hedgehog Slug 1917 1917 1 mollusc Arion subfuscus Dusky Slug 1917 1917 1 mollusc Bathyomphalus contortus Twisted Ramshorn 2013 2017 2 mollusc Bithynia leachii Leach's Bithynia 2013 2017 2 mollusc Bithynia tentaculata Common Bithynia 1876 2017 5 mollusc Cepaea hortensis White-lipped Snail 2019 2019 1 mollusc Cochlicopa cf. lubrica sensu Anderson 2008 Slippery Moss Snail 1886 1886 1 mollusc Deroceras laeve Marsh Slug 1916 1917 3 mollusc Deroceras reticulatum Netted Field Slug 1916 1917 2 mollusc Dreissena polymorpha Zebra Mussel 1876 1877 1 mollusc Galba truncatula Dwarf Pond Snail 1916 1916 1 mollusc Gyraulus albus White Ramshorn 1916 2017 2 mollusc Gyraulus laevis Smooth Ramshorn 2017 2017 1 mollusc Lauria cylindracea Common Chrysalis Snail 1942 1943 1 mollusc Lymnaea stagnalis Great Pond Snail 1871 1982 4 mollusc Musculium lacustre Lake Orb Mussel 1867 1877 3 mollusc Physa fontinalis Bladder snails 1878 2017 9 mollusc Pisidium amnicum 1942 1943 1 mollusc Pisidium casertanum 1877 2 mollusc Pisidium obtusale Porous Pea Mussel 1913 1913 1 36 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records mollusc Planorbarius corneus Great Ramshorn Snail 2017 2017 1 mollusc Planorbis 1900 1982 8 mollusc Pyramidula pusilla Rock Snail 1916 1916 1 mollusc Radix balthica Wandering Snail 1886 1916 4 mollusc Sphaerium corneum Horny Orb Mussel 1867 2013 13 mollusc Stagnicola fuscus 2013 2013 1 mollusc Stagnicola palustris/fuscus/corvus agg. Marsh Pond Snail 1886 2017 5 mollusc Succinea putris Large Amber Snail 1890 1891 2 mollusc Trochulus hispidus Hairy Snail 1916 1916 1 mollusc Valvata cristata Flat Valve Snail 1876 2013 3 mollusc Valvata piscinalis Valve Snail 1876 1982 4 mollusc Zonitoides excavatus Hollowed Glass Snail 2002 2002 1 moss Calliergon cordifolium Heart-leaved Spear-moss 1990 2001 2 moss Calliergonella cuspidata Pointed Spear-moss 1990 1990 1 moss Leptodictyum riparium Kneiff's Feather-moss 2001 2001 1 moss Sarmentypnum exannulatum Ringless Hook-moss 1905 1906 1 moss Sphagnum fallax Flat-topped Bog-moss 1990 1990 1 moss Sphagnum fimbriatum Fringed Bog-moss 1990 2001 2 moss Sphagnum riparium Cleft Bog-moss 1990 2001 2 moss Sphagnum squarrosum Spiky Bog-moss 1990 1990 1 protozoan Trachelomonas 2008 2008 1 roundworm Clarkus papillatus 2009 2009 1 roundworm Diplogasteridae 2009 2009 1 roundworm Dorylaimus 2009 2009 1 roundworm Eudorylaimus 2009 2009 1 roundworm Helicotylenchus pseudorobustus 2009 2009 3 roundworm Hemicycliophora 2009 2009 1 roundworm Nematoda 2009 2009 1 roundworm Pungentus 2009 2009 1 roundworm Rhabditis 2009 2009 1 spider Araneus quadratus 2008 2008 1 spider Argyroneta aquatica Water Spider 1868 1878 2 stonewort Chara globularis sensu stricto Fragile Stonewort 1874 1875 1 stonewort Nitella 1874 1952 2 37 of 37 Possil Marsh Reserve 07/09/2020 species list Group Taxon Common Name Earliest Latest Records tapeworm Tetrabothrius cylindraceus 1912 1912 1 terrestrial mammal Capreolus capreolus Roe Deer 1947 2020 20 terrestrial mammal Erinaceus europaeus Hedgehog 1900 1952 4 terrestrial mammal Lepus europaeus Brown Hare 1900 1952 1 terrestrial mammal Lutra lutra Otter 1914 1950 3 terrestrial mammal Microtus agrestis Field Vole 2019 2019 1 terrestrial mammal Mustela erminea Stoat 1900 1952 1 terrestrial mammal Mustela nivalis Weasel 1900 1952 1 terrestrial mammal Neomys fodiens Water Shrew 1903 2000 3 terrestrial mammal Rattus norvegicus Brown Rat 2019 2019 1 terrestrial mammal Talpa europaea Mole 1985 2019 8 terrestrial mammal Vulpes vulpes Red Fox 1880 1891 1