''Macroglossum buini'' is a

moth Moths are a paraphyletic group of insects that includes all members of the order Lepidoptera that are not butterflies, with moths making up the vast majority of the order. There are thought to be approximately 160,000 species of moth, many of ...

of the family

Sphingidae The Sphingidae are a family of moths ( Lepidoptera) called sphinx moths, also colloquially known as hawk moths, with many of their caterpillars known as “hornworms”; it includes about 1,450 species. It is best represented in the tropics, ...

. It is known from

Bougainville Island Bougainville Island ( Tok Pisin: ''Bogenvil'') is the main island of the Autonomous Region of Bougainville, which is part of Papua New Guinea. It was previously the main landmass in the German Empire-associated North Solomons. Its land area ...

. The length of the forewings is about 20 mm. It is a member of the uniformly dark ''

Macroglossum ''Macroglossum'' is a genus of moths in the family Sphingidae. The genus was erected by Giovanni Antonio Scopoli in 1777. Species *''Macroglossum adustum'' Rothschild & Jordan, 1916 *'' Macroglossum aesalon'' Mabille, 1879 *'' Macroglossum af ...

'' species group, but is smaller and shorter-winged than the other species in this group. The upperside of the hindwing, thorax and abdomen are largely black. The forewing upperside and underside, as well as the hindwing underside are largely dark brown. The forewing underside has an irregular bright yellow basal area extending about 3 mm from the base.

References

Macroglossum Moths described in 1926 Taxa named by Benjamin Preston Clark {{Macroglossum-stub