Sunday, July 19, 2009

Moths of Chautauqua County

Pachysphinx modesta

Pachysphinx modesta, the Poplar Sphinx or Modest Sphinx ranges through southern portions of all Canadian provinces and is found in the eastern half of the U.S. from Maine to northern Florida. James P. Tuttle has range maps showing it as far west as eastern Washington southward to extreme northeastern New Mexico. Most of the western specimens appear to be P. occidentalis.

-Bill Oehlke

Family: Sphingidae, Latreille, 1802
Subfamily: Sphinginae, Latreille, 1802
Tribe: Smerinthini, Grote & Robinson, 1865
Genus: Pachysphinx Rothschild and Jordan, 1903
Species: modesta (Harris, 1839)

Big Poplar Sphynx or Modest Sphinx. A large sphinx moth that belongs to the family Sphingidae and has a wingspan of 10-12 cm. Larvae feed on poplar and willow trees. Adults are active at night. These moths are among the fastest fliers of all moths. Found across North America.

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