Bankesia conspurcatella

Bankesia conspurcatella is a species of moth of the family Psychidae. It is found in western Europe.

Description
The wingspan is 11–15 mm. Head light fuscous. Antennal ciliations 3. Forewings whitish -yellowish, with numerous small fuscous spots and strigulae; veins fuscous; indistinct darker dorsal spots towards base and before middle; a darker fuscous discal spot beyond middle. Hindwings light grey. Adults are on wing from January to April in one generation per year.

The larvae feed on lichens on tree-trunks from within a case made of lichens, soil and sand. The larva first overwinters and then pupates in winter within the case, which is attached to fences, rocks or cracks in tree bark.