Thumatha senex

Thumatha senex
Thumatha senex
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Arctiidae
Genus: Thumatha
Species: T. senex
Binomial name
Thumatha senex
(Hübner, 1808)
Synonyms
  • Bombyx senex Hübner, [1808]
  • Nudaria rotunda Haworth, 1809
  • Comacla senex

The Round-winged Muslin (Thumatha senex) is a moth of the Arctiidae family. It is found in northern and central Europe, the Alps, northern Asia Minor, the Crimea and south-western Siberia.

The wingspan is 15–20 mm. The wings are sparsely scaled, giving them a thin, papery appearance. Adults are on wing from mid June to mid August in one generation.

The larvae feed on lichen (especially Peltigera canina) and mosses.

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