Eumorpha translineatus 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 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...

 and Bolivia

Bolivia

Bolivia officially known as Plurinational State of Bolivia , is a landlocked country in central South America. It is the poorest country in South America...

.

It can be distinguished from all other Eumorpha

Eumorpha

Eumorpha is a genus of moths in the Sphingidae family. The genus is mostly found in North and South America.-Species:*Eumorpha achemon - *Eumorpha adamsi -...

species by the pale brown forewing upperside crossed by a series of narrow dark brown transverse lines resembling the pattern seen in species of Marumba

Marumba

Marumba is a genus of moths in the Sphingidae family.-Species:*Marumba amboinicus - *Marumba cristata - *Marumba diehli - Roesler & Kuppers, 1975*Marumba dyras -...

and the almost circular dark brown patch near the middle of the posterior margin. It can be distinguished from Eumorpha adamsi

Eumorpha adamsi

Eumorpha adamsi is a species of moth in the family Sphingidae. It was described by Rothschild and Jordan, in 1903, and is known from Venezuela, Brazil, Bolivia and Paraguay but is probably present throughout most of South America....

by the lack of pink coloration on the hindwing upperside.

The larvae probably feed on Vitaceae

Vitaceae

Vitaceae are a family of dicotyledonous flowering plants including the grapevine and Virginia creeper. The family name is derived from the genus Vitis...

species.