top: youth case, below full grown case; from Toll (1962a)

case

Tubular silken case, outside covered with frass grains. In the youth case the frass cover is even and complete, in the full-grown case the frass lies in length stripes, alternating with frass-free zones. Full-grown case fusiform, three-valved, 6.5-12 mm; the mouth angle is c. 45°.

hostplants

Rosaceae, monophagous

Dryas octopetala.

phenology

Larvae full-grown in June Hering (1957a).

distribution within Europe

Austria, Italy, Slovenia; Alps (Fauna Europaea, 2009); northern Sweden (Palmqvist ao).

synonyms

Coleophora paeltsaella, Palmqvist & Helberg, 1999.

references

Baldizzone (1979a), Burmann (1980a, 1992a), Hering (1957a), Klimesch (1952a), Palmqvist & Hellberg (1999a), Palmqvist, Landry & Johansson (2011a).