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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: Dennstaedtiaceae       Pteridium     Ackland, 1978: 227 Pteridium aquilinum Bracken Collin, 1955 Hosts elsewhere: Dennstaedtiaceae       Pteridium aquilinum Bracken Nederlandse bladmineerders 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 Britain: Widely distributed in Britain inlcuding 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). Distribution elsewhere: Finland, Germany, Italian mainland, Russia - North and Sweden (Michelsen, 2004 in Fauna Europaea). Parasitoids: Unknown.

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Last updated 22-Jun-2008  Brian Pitkin