''Elachyophtalma semicostalis'' 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 w ...

in the family

Bombycidae The Bombycidae are a family of moths. The best-known species is ''Bombyx mori'' (Linnaeus) or silkworm, native to northern China and domesticated for millennia. Another well-known species is ''Bombyx mandarina'', also native to Asia. Taxonomy Th ...

. It was described by

Walter Rothschild Lionel Walter Rothschild, 2nd Baron Rothschild, Baron de Rothschild, (8 February 1868 – 27 August 1937) was a British banker, politician, zoologist and soldier, who was a member of the Rothschild family. As a Zionist leader, he was present ...

in 1920. It is found on

New Guinea New Guinea (; Hiri Motu Hiri Motu, also known as Police Motu, Pidgin Motu, or just Hiri, is a language of Papua New Guinea, which is spoken in surrounding areas of Port Moresby (Capital of Papua New Guinea). It is a simplified version of ...

. The

wingspan The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the other wingtip. For example, the Boeing 777–200 has a wingspan of , and a wandering albatross (''Diomedea exulans'') caught in 1965 had a wingspan of ...

is 48–58 mm. The forewings are thinly scaled with sooty black brown, the basal half with an olive tinge and the basal three-fifths of the costal area orange buff. The basal two-thirds of the hindwings is sooty black brown, the outer two-fifths orange golden.

References

Bombycidae Moths described in 1920 {{Bombycidae-stub