Butterflies and Moths of North America

collecting and sharing data about Lepidoptera

  Sighting 1193633

Big poplar sphinx
Pachysphinx occidentalis

Observation date: November 01, 2018
Submitted by: DanaDilbert
Specimen type: Photograph
Observation notes: Caterpillar was found on the ground, thrashing about in the leaves. Not sure what kind of tree this is next to caterpillar. About four inches long, greenish, has small yellow red spots on the sides. One horn on the backside. Head is a tan color near mouth. No observable eye like markings.
Status: Resident
Verified by: jwileyrains
Verified date: February 25, 2022
Coordinator notes: None.
Checklist region(s): United States, California, Riverside County