Eudonia mawsoni is a species of moth of the family Crambidae described by Herbert Womersley and Norman Tindale in 1937. It is the only moth breeding on Macquarie Island. It is considered endemic to the island but may be conspecific with Eudonia psammitis, found in New Zealand. The wingspan is 21.2–26.7 mm for males and 18.6–24.8 mm for females.

Eudonia mawsoni
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Crambidae
Genus: Eudonia
Species:
E. mawsoni
Binomial name
Eudonia mawsoni
(Womersley & Tindale, 1937)
Synonyms
  • Scoparia mawsoni Womersley and Tindale, 1937

The larvae feed mainly on mosses and have been found from sea level to 370m; adults have been found from sea level to the summit of Mount Hamilton (410m), the highest peak of Macquarie Island.

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