Plant Parasites of Europe

leafminers, galls and fungi

Coleophora trifolii

Coleophora trifolii (Curtis, 1832)

large clover casebearer

on Melilotus

Coleophora trifolii: cases on Melilotus albus

Melilotus albus, Belgium, prov. Namur, Maizeret © Jean-Yves Baugnée

Coleophora trifolii: cases on Melilotus albus

case, in which three emptied pods are incorporated; the rear end of the case itself protrudes from the third

Coleophora trifolii: old case

withered empty case

Coleophora trifolii: case on Melilotus spec.

Melilotus spec., Belgium, prov. Luxembourg, Arlon, Camp de Lagland © Stéphane Claerebout

Coleophora trifolii: case on Melilotus spec.

The case itself is invisible here.

Coleophora trifolii: detail of case

The case itself is trivalved.


The larva feeds on the seeds. It lives in a silken case that is enclosed in one, later several, emptied pods.


Fabaceae, monophagous

Melilotus albus, altissimus, officinalis.


Larvae from July till early September. The larvae then enter diapause among the surrounding vegetation; pupation after the winter, still in the case.

distribution within Europe

Almost all Europe (PESI, 2018).



Baldizzone (1979a, 1983c, 1984a, 2004a), Baldizzone & Luquet (1981a), Baldizzone & Nel (1992a), Biesenbaum & van der Wolf (1999a), Emmet, Langmaid & Bland ao (1996a), Fazekas & Schreurs (2010a), Huemer & Wiesner (1997a), Leutsch (2011a), Nel (1992b, 1993b), Patzak (1974a), De Prins & Steeman (2011a), Robbins (1991a), Stübner (2007a).

Last modified 22.iv.2018