Eupyrrhoglossum venustum is a moth

Moth

A moth is an insect closely related to the butterfly, both being of the order Lepidoptera. Moths form the majority of this order; there are thought to be 150,000 to 250,000 different species of moth , with thousands of species yet to be described...

 of the Sphingidae

Sphingidae

Sphingidae is a family of moths , commonly known as hawk moths, sphinx moths and hornworms, that includes about 1,200 species . It is best represented in the tropics but there are species in every region . They are moderate to large in size and are distinguished among moths for their rapid,...

 family. It is known from tropical and subtropical lowlands in Brazil

Brazil

Brazil , officially the Federative Republic of Brazil , is the largest country in South America. It is the world's fifth largest country, both by geographical area and by population with over 192 million people...

.

The length of the forewings is about 31 mm. It is similar to Eupyrrhoglossum corvus

Eupyrrhoglossum corvus

Eupyrrhoglossum corvus is a moth of the Sphingidae family. It is known from tropical and subtropical lowlands from Nicaragua to Bolivia, Venezuela and Peru....

, but the forewing upperside has seven transverse black lines and there is a pale yellow band with diffuse edges on the hindwing upperside. Furthermore, the underside of the thorax is paler yellow. The median band of the hindwing upperside is greenish-yellow.

Adults are probably on wing year round.

The larvae probably feed on Rubiaceae

Rubiaceae

The Rubiaceae is a family of flowering plants, variously called the coffee family, madder family, or bedstraw family. The group contains many commonly known plants, including the economically important coffee , quinine , and gambier , and the horticulturally valuable madder , west indian jasmine ,...

 species, including Guettarda macrosperma and Chomelia spinosa.