Xylophanes porioni
Encyclopedia
Xylophanes porioni 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 length of the forewings is 39-40 mm. It is distinguishable from all other Xylophanes
Xylophanes
Xylophanes is a genus of moths in the Sphingidae family.-Species:*Xylophanes acrus - Rothschild & Jordan 1910*Xylophanes adalia - *Xylophanes aglaor - *Xylophanes alexandrei - Haxaire & Vaglia, 2009...

species by the combination of the broad, compact shape of the wings, the suffused brown pattern of the forewing upperside and the arrangement of spots forming the median band of the hindwing upperside. The ground colour of the upperside of the body and forewings is reddish-brown. The forewing upperside is similar in general appearance to that of Xylophanes rufescens
Xylophanes rufescens
Xylophanes rufescens is a moth of the Sphingidae family. It is known from French Guyana, Venezuela, north-western Brazil and eastern Peru....

, but the pattern of lines and spots is more contrasting. The first postmedian line is diffuse, running to the costa rather than the apex. The second and third postmedian lines are weakly developed, also running to the costa and below the fourth postmedian line it is replaced by vein dots, or it is represented only by a row of vein dots. The median band of the hindwing upperside consists of a series of off-white triangular spots that increase in size from the apex towards the anal angle.
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