Xylophanes hydrata 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 found 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...

 west to 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...

 and Peru

Peru

Peru , officially the Republic of Peru , is a country in western South America. It is bordered on the north by Ecuador and Colombia, on the east by Brazil, on the southeast by Bolivia, on the south by Chile, and on the west by the Pacific Ocean....

.

It is similar to Xylophanes elara

Xylophanes elara

Xylophanes elara is a moth of the Sphingidae family. It is known from Paraguay, Surinam, Venezuela, Bolivia and Brazil.The upperside of the wings and body are olive-green and the distal margin of the forewing is strongly excavate below the falcate apex, then convex. The dorsal scales of the...

but slightly larger and the postmedian lines and vein spots on the submarginal line on the forewing upperside are stronger. The postmedian line on the base of the forewing underside starts as a line but later becomes a row of vein dots. Often, the line is formed solely from vein spots or can even be entirely absent.

Adults are on wing in November and January in Peru.

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 ,...

 and Malvaceae

Malvaceae

Malvaceae, or the mallow family, is a family of flowering plants containing over 200 genera with close to 2,300 species. Judd & al. Well known members of this family include okra, jute and cacao...

species.