Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 509697

Big poplar sphinx
Pachysphinx occidentalis

Observation date: September 04, 2010
Submitted by: Dwaine Wagoner
Specimen type: Photograph
Observation notes: on walkabout
Status: Resident
Verified by: anthony.thomas
Verified date: May 04, 2011
Coordinator notes: Not sure if this is occidentalis or modesta> The 7 stripes indicate occidentalis (only 6 in modesta)
Checklist region(s): Natrona County, Wyoming, United States