Semioscopis avellanella

Semioscopis avellanella is a species of moth of the family Depressariidae. It is found in most of Europe (except most of the Balkan Peninsula and the Iberian Peninsula ) east to the eastern parts of the Palearctic realm.

Semioscopis avellanella
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Depressariidae
Genus:	Semioscopis
Species:	S. avellanella
Binomial name
Semioscopis avellanella (Hubner, 1793)[1]
Synonyms
Phalaena avellanella Hubner, 1793 Semioscopis fumicella Amsel, 1930

The wingspan is 20–26 mm. The forewings are rosy-grey whitish, sprinkled with pale fuscous; a dark fuscous streak from base along fold to 1/3, thence bent upwards to disc before middle; second discal stigma forming a dark fuscous angulated mark; some dark fuscous scales tending to form dots on costa and termen; 2 and 3 separate. Hindwings are pale greyish. The larva is whitish-green; dorsal line darker; head and plate of 2 green.^[2]

Adults are on wing from March to April.^[3]

The larvae feed on Betula, Tilia (including Tilia cordata) and Carpinus species.^[4][5]