Plant Parasites of Europe

leafminers, galls and fungi

Coleophora argentula

Coleophora argentula (Stephens, 1834)

yarrow case-bearer

on Achillea

Coleophora argentula: case

case (from Patzak, 1974a)


The larvae feed on the flowers and the developing fruitlets. The larva lives in a brown, trivalved, tubular silken case, that is covered by tiny fragments of the floral parts. The mouth angle is 0°-20°.

host plants

Asteraceae, monophagous

Achillea millefolium, odorata, ptarmica.


Larvae from begin September till in October; most of the full fed larvae leave the host plant for the winter diapause.


distribution within Europe

All Europe except the Balkan Peninsula and the Mediterranean Islands (PESI, 2018).


Baldizzone (1979a), Baldizzone & Nel (1994a), Baldizzone, Tokár & Kovács (2004a), Biesenbaum & van der Wolf (1999a), Bland (1986a), Corley, Marabuto, Maravalhas ao (2011a), Emmet, Langmaid, Bland ao (1996a), Huisman & Koster (2000a), Ivinskis & Savenkov (1991a), Kasy (1965a, 1983a), Klimesch (1958c), Leutsch (2011a), Mitterberger (1931a), Nel (1992b,c), Patzak (1974a,b), De Prins (2010a), De Prins & Steeman (2011a, 2013a), De Prins, Steeman & Sierens (2016a), Robbins (1991), Wegner (2010a).

Last modified 29.ii.2020