Coleophora obscenella Herrich-Schäffer, 1855

on Aster

parasite

The larva in a 5-6 mm long, trivalved, dark brown cylindrical silken case with a mouth angle of 40°-70°. The larvae feed upon the fruits. Emmet ao write that in the case fragments of the pappus are incorporated. It is not clear whether this applies to obscenella as well, but these fragments may be expected to erode anyway in the course of the winter.

host plants

Asteraceae, narrowly monophagous

Aster amellus.

distribution within Europe

Spain, France, Denmark, Norway, Finland, Italy, Poland, Russia.

larva

the larvae of obscenella and virgaurea are clearly differ. In obscenella the head is shining brown, the thoracic sclerites are not too strongly sclerotised.
Coleophora obscenella larva

from Baldizzone & Tabell (2002a)

synonyms

The species has been synonymised for a long time with Coleophora virgaureae; this has been corrected by Baldizzone & Tabell (2002a).

references

Baldizzone & Tabell (2002a), Biesenbaum & van der Wolf (1999a), Deschka & Wimmer (2000a), Emmet, Langmaid, Bland ao (1996a), Huemer (2012a), Stark & Buchner (2016a).

mod 28.vii.2019