Web of Destruction: Caterpillar pests of concern to PNW Nurseries
How do you identify a caterpillar? These websites might be helpful.
Butterflies and Moths of North America.
Specific info for the PNW, includes Lepidoptera of Pacific Northwest Forests and Woodlands (written by OSU's Jeffrey Miller with Paul Hammond).
Antonelli, A.L., P.J. Landolt, D.F. Mayer and H.W. Homan. Recognizing Economically Importnat Caterpillar Pests of Pacific Northwest Row Crops.
North American Moth Photographers Group at Mississippi State University's website
If you know the host plant on which the caterpillar feeds, HOSTS - a database of the host plants of the world's Lepidoptera.
Another very nice site to identify moths in the United Kingdom is appropriately titled UK moths.
Orginal publication: 10/12/2007
Latest publication: 5/23/2016
Author: R.L. Rosetta, Extension Nursery Integrated Pest Management, Department of Horticulture, Oregon State University
Page last modified 5/23/16