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Chirosia
crassiseta Stein, 1908 Chirosia crassiseta Stein, 1908. Wien. ent. Ztg. 27: 10. |
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Leaf- and stem-mine: Pupation in the mine. Mine in the lowest part of the petiole, not in the pinnulae-bearing part of the rachis. Often several larvae together. Mined leaves are stunted, often incompletely rolled out. Puparium in the mine or in the ground (Nederlandse bladmineerders). See de Meijere (1911a) and Brown & McGavin (1982) for details of the biology. Larva: Larva with undivided posterior processes of the cephalopharyngeal skeleton. Puparium: Details unknown. Comments: Included in Redfern et al. (2002: 397, fig 645) in keys to galls. See Brown & McGavin (1982) for details of biology. Hosts in Britain:
Hosts elsewhere:
Time of year - mines: Unknown. Time of year - adults: Unknown. Distribution
in Britain: Appears to be confined to the southern half of Britain.
Records include Wilts, Oxford, Worcester, Hants, Berks, Dorset,
Cambridge, Norfolk, Suffolk, Hereford, Wales (Mike Ackland, pers.
comm.), East Kent, North Hants, North Lincoln, North Wilts,
Oxford, South-west York, Stafford, Surrey and West Suffolk. (NBN
Gateway distribution map - NE). Distribution elsewhere: Europe including The Netherlands (Nederlandse bladmineerders), Corsica, ? Czech Republic, Denmark, Finland, French mainland, Germany, Greek mainland, Italian mainland, Poland, Russia - Northwest, Sicily, Sweden and Yugoslavia (Michelsen, 2004 in Fauna Europaea). Parasitoids: Unknown. |
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Last
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30-Sep-2008
Brian Pitkin
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