Provisional Atlas Insects of the British Isles
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EUROPEAN INVERTEBRATE SURVEY PROVISIONAL ATLAS OF THE INSECTS OF THE BRITISH ISLES Edited by John HEATH. Part 1 LEPIDOPTERA RHOPALOCERA Butterflies (Maps 1to 57) Biological Records Centre, Monks Wood Experimental Station, Abbots Ripton, Huntingdon. 1970. INTRODUCTION This Provisional Atlas of the Insects of the British Isles has been prepared using the methods evolved by Dr. Franklyn Perring for the "Atlas of the British Flora" published for the Botanical Society of the British Isles by Thomas Nelson and Sons Ltd. in 1962. The maps in Part 1 have been prepared from records sent in to the Biological Records Centre by participants in the Lepidoptera Distribution Maps Scheme with the addition of some data from the literature. Records received up to 31st December, 1969 are included. Up-dated maps will be prepared from time to time as the scheme progresses. Each spot represents a verified record from the 10 Km square in which it appears. Only two date classes are shown on the maps although records are being collected from three periods. For the present series of maps the two date classes 'pre-1940' and '1940 to 1960' have been lumped together. When more journals have been scrutinised it is hoped that sufficient data will become available to enable these two periods to be separated. Only the resident British species are included. The univoltine and bivoltine forms of Aricia agestis (Brown Argus and Northern Brown Argus) are treated as separate species although some authors consider these to be only sub-species. A situation map is given which shows from which squares records have been received. By comparing the maps of species with this map it is possible to determine to some extent whether or not the absence of a species from any particular area is real, or likely to be due to absence of records. Later situation maps will indicate the actual number of species recorded in each square and will thus enable more precise deductions to be made. A composite map of Rhamnus cathartica and Frangula alnus, the food plants of Gonepteryx rhamni (Brimstone) have been included as there is already a very good correlation of this species with its food plant. Similarly good correlations of the calcicole species, Lysandra coridon (Chalk Hill Blue) and Lysandra bellargus (Adonis Blue) are already shown with the appropriate geological features. Although other correlations may be apparent great care should be taken in inter preting the data -especially the ratio of 'pre-1960' to '1960 onwards' records. In some cases absence of records in the '1960 onwards' class will be due to incomplete data rather than actual absence. Acknowledgments To all the 620 recorders who contributed records used for the maps our best thanks are due. They will be acknowledged personally in the final Atlas. I should also like to thank Dr. F.H. Perring for his support and 0ncouragement and the assistant staff of the Biological Records Centre, especially Rosemarie Cooke, Elizabeth Tasker and Michael Skelton who were responsible for processing the data and making the maps. 20th October, 1970 John HEATH i L Index The numbers given after each entry are the map numbers acteon, Thymelicus 6 Frangula 17 Polyommatus 26 pruni, Strymonidia 20 aegeria, Pararge 48 galathea, Melanargia 57 Pyrgus 2 aethiops, Erebia 51 Gonepteryx 16 agestis,Aricia 25 quercus, Thecla 19 aglaia, Argynnis 41 Hamearis 32 Aglais 37 Hesperia 8 rapae, Pieris 12 alnus, Frangula 17 hyperantus, Aphantopus 56 rhamni, Gonepteryx 16 Rhamnus 17 Anthocharis 14 icarus, Polyommatus 26 rubi, Callophrys 22 Apatura 33 io, Nymphalis 35 Aphantopus 56 iris, Apatura 33 selene, Argynnis 43 argiolus, Celastrina 29 semele, Eumenis 49 jurtina, Maniola 52 argus, Plebejus 24 sinapis,Leptidea 15 42, 43 Argynnis 39, 40, 41, Leptidea 15 Strymonidia 20, 21 Aricia 25 Limenitis 34 sylvest~is, Thymelicus 4 arion, Maculinea 31 lineola, Thymelicus 5 tages, Erynnis 3 artaxerxes, Aricia 25 lucina, Hamearis 32 athalia, Melitaea Thecla 18, 19 44 Lycaena 23 aurinia, Euphydryas 46 Thymelicus 4, 5, 6 Lysandra 27, 28 tithonus, Maniola 53 bellargus, Lysandra 28 machaon, Papilio 10 tullia, Coenonympha 55 betulae, Thecla 18 Maculinea 31 brassicae, Pieris 11 urticae, Aglais 37 malvae, Pyrgus 2 c-album, Polygonia 38 Maniola 52, 53 venata, Ochlodes 7 Callophrys 22 megera, Pararge 47 w-album, Strymonidia 21 camilla, Limenitis 34 Melanargia 57 cardamines, Anthocharis 14 Melitaea 44, 45 Carterocephalus 9 minimus, Cupido 30 cathartica, Rhamnus 17 napi, Pieris 13 Celastrina 29 Nymphal is 35, 36 cinxia, Melitaea 45 Coenonympha 54, 55 Ochlodes 7 comma, Hesperia 8 palaemon, Carterocephalus 9 coridon, Lysandra 27 pamphilus, Coenonympha 54 Cupido 30 paphia, Argynnis 39 cydippe, Argynnis 40 Papilio 10 epiphron, Erebia 50 Pararge 47, 48 Erebia 50, 51 phlaeas, Lycaena 23 Erynnis 3 Pieris 11, 12, 13 Eumenis 49 Plebejus 24 euphrosyne, Argynnis 42 polychloros, Nymphalis 36 Euphydryas 46 Polygonia 38 Adonis Blue 28 Green-veined White 13 Ringlet 56 Grizzled Skipper 2 Alder Buckthorn 17 Scotch Argus 51 Black Hairstreak 20 Heath Fritillary 44 Silver-spotted Skipper 8 Brimstone 16 High Brown Fritillary 40 Silver-studded Blue 24 Brown Argus 25 Holly Blue 29 Silver~washed Fritillary 39 Buckthorn 17 Small Blue 30 Large Blue 31 Small Copper 23 Large Heath Chalkhill Blue 27 55 Small Heath 54 Large Tortoiseshell 36 Chequered Skipper 9 Small Pearl-bordered Fritillary 43 Large White 11 Comma 38 Small Skipper 4 Common Blue 26 Lulworth Skipper 6 Small Tortoiseshell 37 Dark Green Fritillary 41 Marbled White 57 Small Whi te 12 Dingy Skipper 3 Marsh Fritillary 46 Speckled Wood 48 Duke of Burgundy Fritillary 32 Meadow Brown 52 Swallowtail 10 Mountain Ringlet 50 Essex Skipper 5 Wall 47 Northern Brown Argus 25 White Admiral 34 Gatekeeper 53 White-letter Hairstreak 21 Glanville Fritillary 45 Orange Tip 14 Wood White 15 Grayling 49 Peacock 35 Green Hairstreak 22 Pearl-bordered Fritillary 42 Purple Emperor 33 S to' 0 to' £ 0 6' eo e 0 0 6 y-- 9 ---- 9 s 6 o 8 ;.;.----..-,----" y 'S 311 W i 'W)f 096~ aJd 0 SpJeMUO 096~ • 1------1------__1 ~N 8 f-------jJl-...->E: -~="l""'-l-------.---I6 "L o o l 4 Provisional December 1969 '·.l 2. 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