Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1375695

Big poplar sphinx
Pachysphinx occidentalis

Observation date: July 12, 2023
Submitted by: Kollibri Sonnenblume
Specimen type: Photograph
Observation notes: Observed in the cattails on the Humboldt River just below the dam for Boca Reservoir. The larvae of the species is hosted by Cottonwood (Populus) and Willow (Salix) species, both of which were present in this location.
Status: Resident
Verified by: J_Martineau
Verified date: January 11, 2024
Coordinator notes: None.
Checklist region(s): United States, Nevada, Pershing County