''Pachysphinx modesta'', the modest sphinx or poplar sphinx, is a moth of the family Sphingidae. The species was first described by Thaddeus William Harris in 1839.

Gallery

Pachysphinx modesta MHNT CUT 2010 0 119 Wakefield, Quebec Canada male dorsal.jpg, Male, dorsal view Pachysphinx modesta MHNT CUT 2010 0 119 Wakefield, Quebec Canada male ventral.jpg, Male, ventral view Pachysphinx modesta MHNT CUT 2010 0 119 Marathon Co Wisconsin femal dorsal.jpg, Female, dorsal view Pachysphinx modesta MHNT CUT 2010 0 119 Marathon Co Wisconsin femal ventral.jpg, Female, ventral view Pachysphinx modesta.jpg, Larva

Distribution

It ranges from the southern United States up and throughout Canada.

Biology

Adults are on wing from mid-June to mid-July in Canada. In the northern part of the range, there is one generation with adults on wing from may to July. Farther south, there might be two generations per year. The larvae feed on poplar, willow and cottonwood species.

References

External links

* Smerinthini Moths described in 1839 Moths of North America {{Smerinthini-stub Taxa named by Thaddeus William Harris