''Eurypteryx shelfordi'' is a

moth Moths are a group of insects that includes all members of the order Lepidoptera that are not Butterfly, butterflies. They were previously classified as suborder Heterocera, but the group is Paraphyly, paraphyletic with respect to butterflies (s ...

of the family

Sphingidae The Sphingidae are a family of moths commonly 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, but species ar ...

first described by Rothschild and Jordan in 1903. It is known from

Borneo Borneo () is the List of islands by area, third-largest island in the world, with an area of , and population of 23,053,723 (2020 national censuses). Situated at the geographic centre of Maritime Southeast Asia, it is one of the Greater Sunda ...

and

Sumatra Sumatra () is one of the Sunda Islands of western Indonesia. It is the largest island that is fully within Indonesian territory, as well as the list of islands by area, sixth-largest island in the world at 482,286.55 km2 (182,812 mi. ...

. The length of the forewings is 42–46 mm. The abdominal anal tuft is dark brown, like the rest of the body. The antennae are cream dorsally and brown towards the base. The upperside of the thorax and abdomen are russet brown. The underside of the thorax and abdomen are dark brown with a grey flush and the tibiae is orange. The forewing is almost uniformly brown, with the middle area and distal margin area deeper brown. There is a round white stigma with a white dot in front. The forewing underside has a white discal spot. There is a small white preapical costal patch. The hindwing upperside is dull brown and orange near tornus. The hindwing underside has a marginal area that is markedly darker than the postmedian area, which is shaded with a bluish tinge and traversed by two dark lines.

References

Eurypteryx Moths described in 1903 {{Macroglossini-stub