Coleophora trifolii

Coleophora trifolii, the trefoil thick-horned tinea or large clover case-bearer, is a moth of the family Coleophoridae. It is found in Europe, North Africa, Asia Minor, Afghanistan and North America.

Coleophora trifolii
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Coleophoridae
Genus:	Coleophora
Species:	C. trifolii
Binomial name
Coleophora trifolii (Curtis, 1832)[1]
Synonyms
List Damophila trifolii Curtis, 1832 Plutella chalybaella Costa, 1836 Coleophora melilotella Scott, 1861 Coleophora frischella aurata Toll, 1960 Coleophora trifolii aurata Toll, 1960

The wingspan is 15–20 mm. A metallic bronze green Coleophora with pale yellow scales fringing its eyes. Certain identification relies on microscopic examination of the genitalia.^[2]

Adults are on wing from June to July. They are active during the day.^[3]

The larvae feed from July to September on the seeds of Melilotus species (including Melilotus albus, Melilotus officinalis and Melilotus altissima).^[4]