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Pseudorchestes pratensis (Germar, 1821) [Coleoptera: Curculionidae] Salius pratensis Germar, 1821 Orchestes tomentosus Gyllenhal, 1835 Orchestes waltoni Curtis, 1838 Rhynchaenus pratensis (Germar, 1821) Pseudorchestes pratensis (Germar, 1821)

Leaf-mine: The larva makes a small full depth blotch, usually in the leaf tip. Frass concentrated in the centre of the mine (Nederlandse bladmineerders). Larva: The apodous larva, when fullgrown, makes a globular cocoon in that same centre and pupates there (Nederlandse bladmineerders). Pupa: Details unknown. Hosts in Britain: Asteraceae       Centaurea nigra Common Knapweed Plant, in Pitkin & Plant, 2005 Hosts elsewhere: Asteraceae       Centaurea jacea Brown Knapweed Nederlandse bladmineerders Centaurea scabiosa Greater Knapweed Nederlandse bladmineerders Time of year - mines: Unknown. Time of year - adults: Unknown. Distribution in Britain: Widespread including Bedford, Cambridge, East Norfolk, East Sussex, Hunts, Leicester, Northampton, Warwick and West Kent (NBN Gateway distribution map, as Rhynchaenus pratensis - NE). Also recorded in the Republic of Ireland (Alonso-Zarazaga in Fauna Europaea). Distribution elsewhere: Widespread in Europe including Austria, Bulgaria, French mainland, Germany, Greek mainland, Hungary, Italian mainland, Moldova, Poland, Romania, Russia - East, Sicily, Slovakia, Switzerland, Ukraine and Yugoslavia. Also recorded in the Oriental region (Alonso-Zarazaga in Fauna Europaea). Parasitoids: Unknown.

External links:	Search the internet:
British leafminers NBN Gateway (as Rhynchaenus pratensis) Nederlandse bladmineerders Fauna Europaea [250938]	Find using Google Find using Google Scholar Find images using Google

Last updated 01-Sep-2008  Brian Pitkin