USGS - science for a changing world

Northern Prairie Wildlife Research Center

  Home About NPWRC Our Science Staff Employment Contacts Common Questions About the Site

Caterpillars of Pacific Northwest
Forests and Woodlands

Photo Key to Species


Group A-1 - Species in group A-1 have only one pair of midabdominal prolegs, on segment A6. All of these species are Geometridae.

Group A-1b -- Body wall smooth - The body wall of species in group A-1b is not extended into tubercles or warts.


Previous Section - Group A-1a - Body wall with lateral projections
Return to Photo Key to Species

Accessibility FOIA Privacy Policies and Notices

Take Pride in America logo USA.gov logo U.S. Department of the Interior | U.S. Geological Survey
URL: http://www.npwrc.usgs.gov/resource/insects/catnw/grpa1b.htm
Page Contact Information: Webmaster
Page Last Modified: Saturday, 02-Feb-2013 05:15:12 EST
Menlo Park, CA [caww54]