Coleophora unigenella Svensson, 1966

case.

Yellowish brown spatulate leaf case, cut out of the margin of the leaf, and therefore bearing a high, lobed, keel. Therefore also do the left and right side differ in hairiness. The case is 5-7 mm long, the mouth angle c. 45°. The youth case differs from the later case only in size. Larvae at the underside of the leaves.

host plants

Rosaceae, monophagous

Dryas octopetala.

phenology

Autumn till spring. The larva continues feeding after the hibernation.

distribution within Europe

Fennoscandia and North Russia; Alps (Fauna Europaea, 2010).

larva

Described by Kyrki & Karvonen (1984a).

references

Burmann (1992a), Kyrki & Karvonen (1984a), Svensson (1966a).

mod 8.ix.2018