Plant Parasites of Europe

leafminers, galls and fungi

Coleophora tricolor

Coleophora tricolor Walsingham, 1899

basil-thyme case-bearer


The young larva eats the receptacle out of a floret of Acinos arvensis, and uses the calyx as its first case. Even before the onset of winter it switches to grasses. The larva then lives in an ochraceous, bivalved, tubular leaf case of c. 9 mm, with a mouth angle of c. 25°.

hostplants as leaf miners

Poaceae, oligophagous

No grass species mentioned specifically.


Larva from September till June, July.


not known from the Benelux countries (Fauna Europaea, 2009).

distribution within Europe

Britain; Emmet ao (1996a) refer to an collection made in Switzerland, but that is not accepted by the Fauna Europaea (2009). Recently reported ftom France and Greece by Baldizzone, Nel & Landry (2014a).


Also in Britain extremely rare.


Baldizzone, Nel & Landry (2014a), Emmet, Langmaid, Bland ao (1996a), Hagget (2000a).

Last modified 7.ix.2018