Corynoptera forcipata, (WINNERTZ, 1867)

Menzel, Frank, Smith, Jane E. & Chandler, Peter J., 2006, The sciarid fauna of the British Isles (Diptera: Sciaridae), including descriptions of six new species, Zoological Journal of the Linnean Society 146 (1), pp. 1-147 : 72-73

CORYNOPTERA FORCIPATA ( WINNERTZ, 1867)

Synonyms: echinocordyla Laurence, 1994 ; involuta (Frey, 1948) .

Literature: Freeman (1983b): 28; Laurence (1994): 109 and 118 [as Corynoptera echinocordyla and Corynoptera forcipata ]; Menzel (1998): 21; Menzel & Mohrig (2000): 247; Chandler (2001): 201.

Material examined: Ashwell Grove , Gloucestershire, 1 male, 13.x.1979, Chandler leg. ( PPCM) . Badger Wood , Cambridgeshire, 3 males, 1.v.−31.v.1998, C.W. Plant leg. ( PPCM) . Bagley Wood , Oxfordshire, 1 male, 20.v.− 21.v.1933, Edwards leg. ( BMNH) . Bagpiper’s Tump, West Wood , Herefordshire, 2 males, 10.x.1998, Chandler leg. ( NMS) . Baldock , Hertfordshire, 8 males, ix.-x.1917, Edwards leg. ( BMNH, ZFMK) . Beaulieu River , Hampshire, 1 male, 22.v.1936, Edwards leg. ( BMNH) . Belladrum Burn , Highland Region, 1 male, 19.vii.1991, Chandler leg. ( NMS) . Blackgang , Isle of Wight, 1 male, 25.iv.1975, Jarzembowski leg. ( BMNH) . Bradfield Wood , Suffolk, 1 male, 11.vii.− 16.vii.1990, Laurence leg. [paratype of Corynoptera echinocordyla ] ( PBLN) . Brancaster , Norfolk, 3 males, 2.ix.1988, Laurence leg. ( PBLN) ; 32 males, 16.ix.− 28.x.1988; 7 males, 28.x.1988, all Foster & Procter leg. [not 40 males; holotype and paratypes of Corynoptera echinocordyla ] ( DEI, PBLN) . Brandon Marsh, Rytonon-Dunsmore, West Midlands , 4 females, 12.x.2001, J.E. Smith leg. ( HRI) ; 15 males, 1 female, 22.viii.2002, Menzel & J.E. Smith leg. ( DEI, HRI) . Bucklebury Common, Berkshire , 1 male, 30.viii.1983, Chandler leg. ( PPCM) . Burnham Beeches , Buckinghamshire, 4 males, 10.v.−27.v.1995; 1 male, 13.ix.−26.ix.1996, all Ismay leg. ( HRI, PPCM) ; 1 male, 20.iv.1998, Chandler leg. ( PPCM) . Castlecomer, Kilkenny , 1 male, 25.vi.1987, Chandler leg. ( PPCM) . Castlefreke, Cork , 1 male, 12.v.1989, Withers leg. ( PPWM) . Charleville Wood, Offaly , 2 males, 27.v.1984, Chandler leg. ( PPCM) . Chigwell Row Wood, Chigwell Row , Essex, 2 females, 20.v.2002; 2 males, 23.v.−27.v.2002; 1 male, 3 females, 27.v.2002; 1 male, 28.vi.2002; 3 males, 1 female, 15.ix.2002; 2 males, 2 females, 23.ix.2002; 1 male, 1 female, 26.ix.2002; 2 males, 8.x.2002; 9 males, 4 females, 16.x.2002, all Ismay & Schulten leg. ( DEI, UMO) . Coombe Abbey Country Park , Coventry, Warwickshire, 29 males, 4 females, 28.viii.2003, Menzel & J.E. Smith leg. ( DEI, HRI) . Cothill , Oxfordshire, 15 males, 26.v.1936, Edwards leg. ( BMNH) . Crickhowell , Powys, 5 males, 1.x.1936; 3 males, v.1937, all Edwards leg. ( BMNH) . Daneway , Gloucestershire, 1 male, 12.x.1979, Chandler leg. ( PPCM) . Dickleburgh , Norfolk, 1 male, 4.vi.−18.vi.1989, Withers leg. ( PPWM) . Dinton Pastures Country Park, Berkshire , 1 male, 7.x.1999, Chandler leg. ( PPCM) . Epping Forest , Essex, 2 males, 24.v.−25.v.1999, Chandler leg. ( NMS) ; 3 males, v.1999, Dagley leg. ( PPCM) . Falls of Tarnash , Moray, 1 male, 1.vii.1936; 3 males, 9.vii.1936, all Coe leg. ( BMNH) . Forge Valley , North Yorkshire, 1 male, 13.x.1990, Chandler leg. ( NMS) . Gearagh, Cork , 2 males, 11.v.1990; 2 males, 1 female, 10.x.1990, all de Courcy Williams leg. ( DEI, NMID) . Glencar Waterfall, Sligo , 1 male, 15.v.1970, Chandler leg. ( NMS) . Hafod Garregog , Gwynedd, 1 male, 26.vii.1988, Holmes, Boyce & Reed leg. ( PPWM) . Haugh Wood , Herefordshire, 1 male, 12.x.1998, Chandler leg. ( NMS) . Headington Wick , Oxfordshire, 1 male, 13.vi.1910, Hamm leg. ( UMO) . Hickling , Norfolk, 1 male, v.1989, Foster & Procter leg. ( PBLN) . Holme Fen , Cambridgeshire, 1 male, 27.v.1987, J.H. Cole leg. ( PJCB) . Illtyd Pools , Powys, 1 male, 11.x.1989, Chandler leg. ( PPWM) . Jeffry Bog , North Yorkshire, 1 male, 14.vii.1997, Chandler leg. ( PPCM) . Kennack Cove , Cornwall, 2 males, 4.ix.1983, Chandler leg. ( NMS) . Killaun Bog, Offaly , 6 males, ix.2000, Withers leg. ( PPWM) . Lady’s Wood , Cambridgeshire, 1 male, 3.v.1989, J.H. Cole leg. ( PJCB) . Lancaut Nature Reserve , Gloucestershire, 1 male, 5.ix.2002, Gibbs leg. ( PDGB) . Loch Park , Moray, 2 males, 3.vii.1936; 3 males, 12.viii.−14.viii.1937, all Coe leg. ( BMNH) . Lopham Fen , Norfolk, 3 males, 20.v.1990, Withers leg. ( PPWM) . Malham Tarn , North Yorkshire, 1 male, 27.viii.−30.viii.1981; 1 male, 11.ix.− 18.ix.1981; 2 males, 26.vi.−28.vi.1982, all Disney leg. ( BMNH, PPWM) . Monk Fryston , North Yorkshire, 1 male, 7.vi.1988, Chandler leg. ( PPCM) . Monk’s Wood , Cambridgeshire, 1 male, 18.vi.1978; 1 male, 12.vi.1982, all J.H. Cole leg. ( PJCB) . Muckross House, Kerry , 1 male, 5.v.1981, Chandler leg. ( PPCM) . Mulgrave Wood , North Yorkshire, 1 male, 23.viii.− 3.ix.1937, Edwards leg. ( BMNH) . Murrough, Wicklow , 4 males, 8.v.1989; 2 males, 23.v.1989, all Withers leg. ( PPWM) . New Close Wood, Brandon , Warwickshire, 2 males, 28.viii.2003, Menzel leg. ( DEI) . Newbridge Fen, Kildare , 5 males, 8.viii.−19.viii.1998, Good leg. ( PPWM) . Randwick , Gloucestershire, 1 male, 11.x.1979, McLean leg. ( NMS) . Ross Island, Killarney, Kerry , 1 male, 7.v.1981, Chandler leg. ( PPCM) . Ryton Wood, Bubbenhall, Coventry, West Midlands , 13 males, 1 female, 25.viii.2002, Menzel & J.E. Smith leg. ( DEI, HRI) . The Flits , Herefordshire, 1 male, 11.x.1998, Chandler leg. ( PPCM) . The Loke, Norwich , Norfolk, 2 males, 18.vi.1987; 2 males, 15.ix.1987, all Laurence leg. [paratypes of Corynoptera echinocordyla ] ( DEI, PBLN) . Thompson Common , Norfolk, 1 male, 13.ix.−27.ix.1988, Foster & Procter leg. [paratypes of Corynoptera echinocordyla ] ( PBLN) . Tickenham Hill, Avon , 1 male, 30.v.2001, Gibbs leg. ( PDGB) . Tocil Wood, Warwick University Campus , Coventry, Warwickshire, 8 males, 28.viii.2003, Menzel & J.E. Smith leg. ( DEI, HRI) . Tuddenham Fen , Suffolk, 1 male, 20.x.1990, Chandler leg. ( NMS) . Weston , Hertfordshire, 1 male, 4.x.1931, Edwards leg. ( BMNH) . Weston Big Wood, Avon , 1 male, 1.ix.2001, Gibbs leg. ( PDGB) . Weston Common , Hampshire, 1 male, 10.v.1984, Chandler leg. ( NMS) . Weston Green Fen , Oxfordshire, 2 males, 1.vi.1991, Chandler leg. ( NMS, PPCM) . Wheatfen Broad , Norfolk, 1 male, 1.ix.1986; 1 male, 19.v.1990, all Withers leg. ( PPWM) . Windsor Forest, Berkshire , 1 male, 8.vi.1979; 3 males, 6.ix.1986; 1 male, 15.v.1988; 2 males, 22.v.1988; 2 males, 15.v.1994; 1 male, 23.vii.1999, all Chandler leg. ( NMS, PPCM, PPWM) . Wistow Wood, Warboys , Cambridgeshire, 1 male, 4.v.1975, J.H. Cole leg. ( PJCB) . Witherslack , Cumbria, 1 male, 13.vi.1977, Chandler leg. ( NMS) . Witley Common , Surrey, 1 male, 16.v.1992, Chandler leg. ( PPCM) . Woodwalton Fen , Cambridgeshire, 1 male, 24.v.1940, Edwards leg. ( BMNH) ; 2 males, 4.vi.1977, J.H. Cole leg. ( PJCB) . Wychwood , Oxfordshire, 5 males, ix.-x.1917, Edwards leg. ( BMNH) . Wytham Woods, Wytham , Oxfordshire, 78 males, 4 females, 21.viii.2002, Menzel & J.E. Smith leg. ( DEI, HRI) . No locality details, England, 1 male, no date, Laurence leg. ( PBLN) .

Ecological notes: very common in broad-leaved, mixed and carr woodland; wet and dry heathland; wetlands including water meadows, fens, bogs, basin mires, sedge beds and Cladium beds with tufa; former gravel workings; grassland with pingo pools; old hedges; gardens; around rotten fallen tree trunk; coastal landslip. iv–x.