Attacus

Attacus is a genus of moths in the family Saturniidae. The genus was named by Carl Linnaeus in his 1767 12th edition of Systema Naturae.

Attacus
Attacus taprobanis from the Western Ghats of India
Scientific classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Lepidoptera
Family: Saturniidae
Tribe: Attacini
Genus: Attacus
Linnaeus, 1767
Synonyms
  • Arcuata Perry, 1811

The genus contains the Atlas moth (Attacus atlas), and Attacus caesar, the second and third largest known moths (in terms of wingspan), though different sources treat one or the other as slightly larger. Both are outclassed by the largest, (in terms of wingspan) moths, Thysania agrippina, also known as the White Witch Moth.

Like other saturniid moths, adults lack a fully formed digestive tract and do not feed.

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