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Caloptilia semifascia (Haworth, 1828) [Lepidoptera: Gracillariidae] Gracillaria semifascia Haworth, 1828. Lep. Brit.: 528. Caloptilia semifascia (Haworth, 1828).

Leaf-mine: At first it inhabits a leaf-mine, then a leaf cone and, finally, a sequence of two leaf rolls. The feeding signs can be confused with those of C. rufipennella on sycamore, so records of C. semifascia should only be made if the adult is reared (UKMoths). The leaf-mine is also illustrated in British leafminers and Nederlandse bladmineerders. Larva: The larva and leaf cone are illustrated in UKMoths. Pupa: In a silken cocoon on either side of leaf UKMoths. Hosts in Britain: Aceraceae       Acer campestre Field Maple Plant, in Pitkin & Plant, 2005 Acer campestre Field Maple British leafminers Acer campestre Field Maple UKMoths Acer pseudoplatanus Sycamore British leafminers Acer pseudoplatanus Sycamore UKMoths Hosts elsewhere: Aceraceae       Acer campestre   Nederlandse bladmineerders Time of year - mines: June and July and occasionally in late August and September (British leafminers). Time of year - adults: From late July to October and again, after hibernating, until May (UKMoths). Distribution in Britain: Widespread in southern England and South Wales, but usually restricted to localities where Field maple (Acer campestre) is common. Outlying populations occur in Caernarvon-Denbigh and in Cumbria-York (UKMoths), Hunts, North Hants, Northampton, South Lincoln, Surrey and West Suffolk (NBN Gateway distribution map - NESBRC, JNCC and NE). See also British leafminers distribution map. Distribution elsewhere: Widespread in Europe including Austria, Belgium, Czech Republic, Danish mainland, Estonia, Finland, French mainland, Germany, Hungary, Italian mainland, Latvia, Norwegian mainland, Poland, Romania, Russia - Central, East and South, Slovakia, Sweden and Switzerland (Karsholt & van Nieukerken in Fauna Europaea). Parasitoids: Unknown.

External links:	Search the internet:
Belgian Lepidoptera British leafminers NBN Gateway Nederlandse bladmineerders Fauna Europaea [287026] UKMoths	Find using Google Find using Google Scholar Find images using Google

Last updated 27-Sep-2008  Brian Pitkin