Perigonia thayeri
Encyclopedia
Perigonia thayeri is a moth
of the Sphingidae
family. It is known from Saint Vincent
.
The length of the forewings is about 32 mm. It is similar to Perigonia pallida
, but the forewing apex and tornus are less acute and the distal margin is less convex medially. The forewing upperside ground colour is similar to Perigonia pallida, but the pattern is more contrasting and the dark apical line and discal spot are both more prominent. The forewing underside ground colour is paler and the irregular distal marginal band is darker. The median band of the hindwing upperside is deep yellow. The hindwing underside ground colour is paler than in Perigonia pallida and the median and postmedian transverse lines and the distal marginal border are more prominent.
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 Saint Vincent
Saint Vincent (island)
Saint Vincent is a volcanic island in the Caribbean. It is the largest island of the chain called Saint Vincent and the Grenadines. It is located in the Caribbean Sea, between Saint Lucia and Grenada. It is composed of partially submerged volcanic mountains...
.
The length of the forewings is about 32 mm. It is similar to Perigonia pallida
Perigonia pallida
Perigonia pallida is a moth of the Sphingidae family. It is known from Venezuela, Paraguay, Bolivia, Argentina and Brazil.It is similar to Perigonia stulta, but generally paler and the forewings are narrower...
, but the forewing apex and tornus are less acute and the distal margin is less convex medially. The forewing upperside ground colour is similar to Perigonia pallida, but the pattern is more contrasting and the dark apical line and discal spot are both more prominent. The forewing underside ground colour is paler and the irregular distal marginal band is darker. The median band of the hindwing upperside is deep yellow. The hindwing underside ground colour is paler than in Perigonia pallida and the median and postmedian transverse lines and the distal marginal border are more prominent.