Moths of North Dakota

Sphingidae: Smerinthinae

Pachysphinx modesta (Harris 1839)

Common name: Big poplar sphinx.

Hodges #: 7828.

Identification: Rfw 48.2 mm, outer margin crenulate, wing pattern of transverse shades of gray or shades of brown, fw lacks irregular pale triangle at tornus,  hw dark red, pro-tibia with fused setae forming an apical 'claw.'

Similar species: 7822, 7824, 7829.

Distribution: southern Canada and United States, in the west more restricted to mountainous areas.

Hosts: Larvae feed on Populus-- poplar, cottonwood, aspen, and Salix-- willow.

MN  Lake Co., McNair.  T56N R11W Sec. 24.  Hg/ UV lt.  27- VI- 1992.  G. Fauske.



  Moth county records  






Last updated: 01/23/07

Gerald M. Fauske
Research Specialist
202 Hultz Hall
Fargo, ND 58105

Published by the Department of Entomology 

Prospective students may schedule a visit by calling 1-800-488-NDSU.