Xylophanes bilineata 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 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....

.

The wingspan

Wingspan

The wingspan of an airplane or a bird, is the distance from one wingtip to the other wingtip. For example, the Boeing 777 has a wingspan of about ; and a Wandering Albatross caught in 1965 had a wingspan of , the official record for a living bird.The term wingspan, more technically extent, is...

 is 74-78 mm. It is similar to Xylophanes fassli

Xylophanes fassli

Xylophanes fassli is a moth of the Sphingidae family. It is known from Bolivia.It is similar to Xylophanes rothschildi, but the discal spot on the forewing upperside is larger, the deeper olive-green shading at the base is absent and the darker green oval patch distal to the discal spot is smaller...

, but oval patch distal to the discal spot is smaller and darker green.
The forewings are dull grey-green. The cell spot has the form of a large black dot followed by a small slightly darker area. The hindwings are grey-black with a faint orangey-cream band and a narrow dark green outer margin. The fringes are white with some dark intrusions along the veins.

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.