Nyceryx riscus

Nyceryx riscus
Scientific classification
Kingdom:	Animalia
Clade:	Euarthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Sphingidae
Genus:	Nyceryx
Species:	N. riscus
Binomial name
	Nyceryx riscus; (Schaus, 1890)[1]
Synonyms
	Enyo riscus Schaus, 1890; Pachygonia creusa Rothschild, 1894;

Nyceryx riscus is a moth of the family Sphingidae.

Distribution

It is found from Belize and Mexico to Costa Rica and further south to Bolivia and Argentina.^[2]

Description

The wingspan is 50–58 mm. It is similar to Nyceryx stuarti but smaller and paler. There is an indistinct, grey-centred discal spot and a conspicuous black dot distal of it towards the costa on the forewing upperside.

Male dorsal
(coll.MHNT)
Male ventral
(coll.MHNT)
Female dorsal
(coll.MHNT)
Female ventral
(coll.MHNT)

Biology

Adults are probably on wing year round.

The larvae feed on mature leaves of Xylophragma seemannianum. They have a solid green tail horn with well-developed bumps. The body is a yellowish or pale green with pale yellow lateral diagonal slashes. The head is pale green with a trace of blue wash.

References

↑ "CATE Creating a Taxonomic eScience - Sphingidae". Cate-sphingidae.org. Archived from the original on 2012-11-11. Retrieved 2011-10-19.
↑ "Silkmoths". Silkmoths.bizland.com. Archived from the original on 2012-10-10. Retrieved 2011-10-19.

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[1] "CATE Creating a Taxonomic eScience - Sphingidae". Cate-sphingidae.org. Archived from the original on 2012-11-11. Retrieved 2011-10-19.

[2] "Silkmoths". Silkmoths.bizland.com. Archived from the original on 2012-10-10. Retrieved 2011-10-19.