Sphinx chersis

Great ash sphinx
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Sphingidae
Genus:	Sphinx
Species:	S. chersis
Binomial name
Sphinx chersis (Hübner, 1823)[1]
Synonyms
Lethia chersis Hübner, 1823 Sphinx cinerea Harris, 1839 Sphinx oreodaphne Edwards, 1873 Hyloicus chersis pallescens Rothschild & Jordan, 1903

Sphinx chersis, the great ash sphinx or northern ash sphinx, is a moth that belongs to the family Sphingidae.

This insect has a large wing span (90 to 130 mm). The upperside of the forewing is soft dark gray to blue gray with a series of black dashes, one of which reaches the wing tip. The upperside of the hindwing is black with blurry pale gray bands. The larva of this species is typically light green with blue dashes and a bluish-green horn, but there is also a red morph. Its appearance is very similar to that of others in the subfamily Sphinginae.

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  Sphinx chersis ♂
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  Sphinx chersis ♂ △
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  Sphinx chersis ♀
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  Sphinx chersis ♀ △

Its larvae feed upon various plants in the olive family (Oleaceae) such as lilacs (Syringa spp.), ashes (Fraxinus spp.), and privet (Ligustrum vulgare). Mature caterpillars pupate in subterranean chambers when they have finished feeding, and here the pupae stay dormant until the next year. The moth emerges any time from May to August in the South, but is only found from June to July further north. Adults feed at dusk on deep-throated flowers and have been sighted at honeysuckles (Lonicera spp.), evening primroses (in the family Onagraceae), dogbane (Apocynum spp.), phlox (Phlox spp.), and bouncing bet (Saponaria officinalis).

This species occurs in northern Mexico and throughout most of the United States, wherever the larval hosts are present, though it is uncommon in the Gulf States.

• Sphinx chersis chersis (from Mexico north through most of the United States)
• Sphinx chersis mexicanus Rothschild & Jordan, 1903 (Mexico)

Wikispecies has information related to Sphinx chersis.

• Great Ash Sphinx Moths of North America Guide

This Sphinginae-related article is a stub. You can help Wikipedia by expanding it.

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