Literally “mantle”, two flaps that in some Coleophora species hang on the anal end at either side of the case; in some species, like C. kuehnella the entire case may be covered.

Coleophora ibipennella
Literally “mantle”, two flaps that in some Coleophora species hang on the anal end at either side of the case; in some species, like C. kuehnella the entire case may be covered.
Coleophora ibipennella