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Chirosia nigripes Bezzi, 1895 [Diptera: Anthomyiidae]. Chirosia nigripes Bezzi, 1895. Bull. Soc. ent. ital. 27 (1): 63. Chirosia albifrons Tiensu, 1938. Annls ent. fenn. 4: 22.

Leaf-mine: Ovipisition on the upper part of the rachis of an unrolling leaf. The larva bores into the rachis, causing the distal part of the leaf to become stunted and finally necrotic. Often several larvae in a mine. Pupation outside the mine (Brown & McGavin, 1982a). Larva: Details unknown. Puparium: Details unknown. Hosts in Britain: Unknown. Hosts elsewhere: Dennstaedtiaceae       Pteridium aquilinum Bracken Bladmineerders van Europa Time of year - mines: Larvae from spring to end June; hibernation as puparium in the ground (Brown & McGavin, 1982a). Time of year - adults: Unknown. Distribution in Great Britain & Ireland: Widespread in Britain including Hunts, Hants, Oxford, Somerset, Norfolk, Glam, Suffolk, Ross & Cromarty, Elgin (Mike Ackland, pers. comm.), Herts, Middlesex, North Lincoln, Oxford and South-west York (NBN Gateway distribution map - NE). NBN Grid map: Distribution elsewhere: Finland, Germany, Italian mainland, Russia - North and Sweden (Michelsen, in Fauna Europaea). NBN interactive distribution maps of known host species in Britain and elsewhere: Pteridium aquilinum Parasitoids in Britain and elsewhere: Unknown.

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Last updated 12-Jul-2010  Brian Pitkin