Art Cushman - USDA; Property of the Smithsonian Institution, Department of Entomology
Wikimedia Commons
Description: English: wheat stem sawfly (Cephus cinctus) Illustration of its life cycle. Date: 23 February 2012. Source: http://www.forestryimages.org/browse/detail.cfm?imgnum=5006067. Author: Art Cushman - USDA; Property of the Smithsonian Institution, Department of Entomology.