Isognathus excelsior

Isognathus excelsior is a moth of the family Sphingidae.

Isognathus excelsior
Isognathus excelsior ♂
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Sphingidae
Genus:	Isognathus
Species:	I. excelsior
Binomial name
Isognathus excelsior (Boisduval, 1875)[1]
Synonyms
Anceryx excelsior Boisduval, 1875

Distribution

It is known from Colombia, Venezuela and Ecuador to north-western Brazil.^[2]

Description

It can be distinguished from all other Isognathus species by the pure white underside to the abdomen with conspicuous paired black spots on each segment.

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  Isognathus excelsior ♂
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  Isognathus excelsior ♂ △
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  Isognathus excelsior ♀
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  Isognathus excelsior ♀ △

Biology

There are probably multiple generations per year.

The larvae probably feed on Apocynaceae species.