Psychidae

11.003 Narrow Lichen Case-bearer Dahlica triquetrella (Hübner, [1813])

pRDB2

Similar species:

Forewing: Parthenogenetic and wingless in Britain and Ireland.

Habitats: Woodland margins.

Habits: The adults emerge early in the morning.

Foodplant: The larva feeds mainly on insects, but also decaying plants and lichens and algae growing on tree trunks and rocks. The full-fed larva overwinters and pupates in February. The pupal case is left half protruding from the larval case on emergence.