Xylophanes kaempferi 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 Paraguay

Paraguay

Paraguay , officially the Republic of Paraguay , is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to the east and northeast, and Bolivia to the northwest. Paraguay lies on both banks of the Paraguay River, which runs through the center of the...

.

It is very 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 the forewing apex is less falcate and the dark scaling of the submarginal band on the hindwing upperside is lacking. Thus making the band entirely green.

Adults are probably on wing year round.

The larvae possibly feed on Psychotria panamensis, Psychotria nervosa

Psychotria nervosa

Psychotria nervosa, also known as wild coffee, is a shade tolerant medium-sized shrub native to Florida as well as Central and South America. It produces "small, red, ellipsoid fruit" that resemble "the true coffee bean" in shape and attract birds...

and Pavonia guanacastensis.