Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 726538

Big poplar sphinx
Pachysphinx occidentalis

Observation date: July 12, 2012
Submitted by: Seacrowe
Specimen type: Photograph
Observation notes: Large moth. Approximately 3 to 3-1/2 inch wingspan. Laying eggs when I found her at my doorstep. Took her outside to a tree where she continued to lay nearly perfectly round white eggs approx. 1-1/2 mm in diameter.
Status: Resident
Verified by: charleseharp
Verified date: September 09, 2012
Coordinator notes: None.
Checklist region(s): United States, Colorado, Denver County