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