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Cranefly Recording Scheme Newsletter Spring 2007

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Cranefly Recording Scheme Newsletter Spring 2007 ) Cranefly News Bex CartwrightBex Dipterists Forum Cranefly Recording Scheme ( For Superfamily Tipuloidea & Families Ptychopteridae & Trichoceridae a Newsletter No 28 Autumn 2014 Editor: John Kramer Sub-editor: John Dobson Nephrotoma Nephrotoma croct year and I have been collecting the Diptera by- Notices catch. So far this year 7 species of cranefly have There are two workshops this Autumn: turned up in the traps. Sept. 6th-7th: Cranefly Workshop with John Kramer. Two days after receiving the June edition of British Woodland Centre, Yarner Wood, nr Bovey Tracey. Wildlife, with Alan Stubbs' article on the comb- th th horned craneflies, I found a female Ctenophora Sept. 27 -28 : Sorby Society, Derbyshire. pectinicornis in Stoke Wood, near Desborough. A Details are available from Derek Whiteley: couple of days after that I received a photo from [email protected] Robin Gossage of a male Dictenidia bimaculata from Glapthorn Cow Pastures. Field Work Reports for 2014 John Showers Pitsford Reservoir, Northamptonshire. 25th May 2014 Craneflies in Scotland: Kingussie field trip: June 2014 Spurred on by the DF field meeting in September 2013, a small group of dipterists paid a return visit to Kingussie in early June 2014. Here I have chosen a few highlights of ecological interest rather than a full commentary. On route to our base at Kingussie in the Spey Valley, a stop at Glen Shee Col gave access to a mountainside at 2200+ft. Here Tipula varipennis was frequent on the drier ground (normally thought of as a lowland woodland species). The seepage and rivulet habitats were however of greater interest for craneflies. John Kramer joined the Northants and At this height, the early spring species Tipula Peterborough Diptera Group meeting at Pitsford subnodicornis and Molophilus ater were easy to Water Reserve (GR. SP7870) in May. Members find (the latter is small, black and wingless, easy to attending with JS and JK, were Jolyon Alderman, overlook after sweeping, but very noticeable (cont.) Kev Rowley, GrahamWanes and Brian Harding. The site includes lake and stream margins, marsh Contents and carr. The weather was warm, dry and still; Notices 1 perfect for recording. Field Work Reports 2014 Pitsford Reservoir, Northamptonshire 1 After a morning's field work JK helped the group Craneflies in Scotland: Kingussie field trip 1-2 with identification issues in Anglian Water's Holcot DF Summer Field Meeting 2014: NW Wales 2-3 Fishing Lodge. I have not yet received all the Report from the Mersey Basin 3-4 records from the group but John found 23 species Cranefly Report for Shropshire: First half of 2014 4-5 of cranefly including: Tipula (3 spp.), Ula sylvatica Species Notes (Pediciidae), Gonempeda flava, Molophilus (4 Nephrotoma crocata in Shropshire 5-6 spp.), Limonia (4 spp. including L. flavipes and L. Tipula irrorata: Its first discovery in Britain 7-8 nigropunctata). I found 13 species, 8 of which were Notes on the Pupae of Dicranomyia goritiensis 8 not on John's list, giving 31 species in total. It is Observations on Dictenidia bimaculata 8-9 hoped that John's efforts will encourage more Conference & Meeting Reports th cranefly recording in Northants., which is an under- 8 International Congress of Dipterology 9-10 recorded vice-county for Diptera, except in the People & Historical Notes Peterborough area. Robert Henderson (1864-1940) 10 Copy deadline: Cranefly News 29 Spring 2015 10 The Wildlife Trust team and their volunteers at Distribution Maps 11-12 Pitsford Reserve run two moth traps throughout the Cranefly News 28 Autumn 2014 1 once tuned to what to look for), together with Ptychoptera scutellaris and Phalacrocera replicata another acid associate, Euphylidorea meigenii. were found (the latter is rarely recorded). More significant was the presence of some local A long period of drought had resulted in river levels species, here associated with base-rich flushes with being low, and so rather poor for river-margin rivulets; Limnophila schranki (small specimens), craneflies at that time. We picked up single female Eloeophila trimaculata and Molophilus propinquus. of Tipula bistilata, as a species of sandy exposed Stops by the River Dee, near Braemar and Crathie, riverine sediments (early June should be the peak yielded Tipula montium, Hexatoma fuscipennis and period so emergence appears to have been Limnophila schranki (the latter at a backwater exceptionally early this year; larvae in drained channel), and adjacent wetland had Tricyphona ‘terrestrial’ sand would warm-up quick in a drought) unicolor and Euphylidorea phaeostigma. and some male Hexatoma fuscipennis (aquatic larvae, emergence at typical time). We found only a The roadside limestone quarry just west of few of other species, such as Hoplolabis vicina and Tomintoul was a priority stop for craneflies, and we Eloeophila verralli. were rewarded by finding Tipula cheethami and Dactylolabis sexmaculata on a wet rock face, and A small party that went to the coast found on the quarry floor, along with Dicranomyia occidua Dicranomyia melleicauda ssp. complicata at the and Molophilus propinquus where sparsely western end of Culbin sands, an important Scottish vegetated calcareous mud was present. Not bad record for this very scarce upper saltmarsh species: for day-1, before reaching Kingussie. D. sera, a very local upper saltmarsh species, was also found. The Spey valley has extensive glacial deposits, often well-drained but with boggy ground in the Overall, although their numbers were down during hollows, and some excellent groundwater-fed the drought, it was a very productive meeting for sloping mires. The high ground accessible via the craneflies. Cairngorms ski lift car park yielded expected Alan Stubbs species such as Tipula subnodicornis and Molophilus ater, but a combination of drought and DF Summer Field Meeting 2014, wind was limiting. Craneflies in NW Wales: 5-12 July 2014 The margins of Loch Morlich (a lake with both Bangor is conveniently placed by the bridge from inflow and outflow, and both gritty and sedge-lined Caernarvonshire to Anglesey, two very different shores) and related ground produced 7 species of landscapes with very different histories in the Tipula. recording of craneflies. A very different lake is found at Kinrara, in a big In the early 1920s, Barnes surveyed the cranefly hollow in glacial drift, and connecting narrowly with fauna of Caernarvonshire for a PhD, as far as I am the River Spey. Here the mire is peat-based, in part aware the first ecological study on insects in Britain. floating, and is largely groundwater-fed as It was published in volume 13 of the Journal of evidenced by sloping mire margins (which are not Ecology in 1926, so he began his study in the very directly related to fluctuating water tables via river early days of ecology as a discipline. He chose a level fluctuations). Some very unusual species for series of sampling locations, made some visits and the Spey Valley were found included Helius wrote-up his findings in a manner which is very pallirostris (among reeds and sedges at aquatic familiar today but ground-breaking at the time. margin), Tipula pierrei (in a limited area where Anglesey by contrast still lacks a published list. muddy peat was present) and Phylidorea longicornis (seepage on poor fen). P. abdominalis Anglesey is relatively flat, (although not by was locally common in very wet areas with bog- Peterborough standards). It lacks significant myrtle (Myrica gale). Where the outflow from the woodland but is famed for its wetlands and sand Kinrara hollow meets the River Spey, Dicranota dunes. It has the advantage of the presence of an exclusa was present. Other useful records included outcrop of Carboniferous Limestone, largely Tricyphona unicolor, Cheilotrichia imbuta and masked by Boulder Clay, with a hydrology that Idioptera pulchella. supports major fenlands, some of which are NNRs with convenient board walks. There are many Craigellachie NNR lies on a hillside overlooking ecological variants, including curious juxtapositions, Aviemore. There are two small lakes of limited such as sundew growing inches away from true fen interest, but it is the shaded stream- and seepage- vegetation. fed mire that are of particular interest for craneflies; the presence of bog myrtle usually indicates good The very early spring and drought proved limiting potential. On this occasion, the main find was the but we did have major finds, including a species of stream species Pedicia littoralis, a fairly large Pilaria only previously known from one fen in S yellow cranefly that appears to be uncommon in the Wales and some fens in East Anglia (we have still Spey valley. to confirm it’s identity); recorded here in a stand of slender sedge (Carex lasiocarpa) in a seepage fen. Access to the RSPB Inch marshes was given for Other good finds included Molophilus pleuralis. some areas that were not critical during the main bird-breeding season. Tromie bridge meadow has On sand dunes, we succeeded in finding some very nice seepages on poor-fen, where Nephrotoma quadristriata, (See map) at Aberfaw, where there are major areas of dune slack. There is Cranefly News 28 Autumn 2014 2 an old record for nearby Newborough Warren. It is Snowdonia behind Idwal Cottage, and also at otherwise known from a few dunes on the coast of Bethesda. mid- and south Wales, Braunton Burrows on the N. We hit the peak for Diogma glabrata; it was found Devon coast and on the coast of SW Cumbria. The on a spread of sites, a species often regarded as coast also includes some saltmarshes, producing scarce. But in dashing off in all directions from Dicranomyia melleicauda at several sites. (See home base, it is easy to omit to record habitat on map) (complicata de Meijere is the subspecies - the the doorstep, a limestone rock seepage yielding male genitalia are very complicated).
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