USDA-ARS image# D2458-1
"Greenbug aphid (<i><a href="//commons.wikimedia.org/w/index.php?title=Schizaphis_graminum&amp;action=edit&amp;redlink=1" class="new" title="Schizaphis graminum (page does not exist)">Schizaphis graminum</a></i>) feeding on an oat leaf infected with yellow dwarf disease."
Kent Loeffler
2011-03-04 15:08:04
<a rel="nofollow" class="external free" href="https://www.ars.usda.gov/is/graphics/photos/apr12/d2458-1.htm">http://www.ars.usda.gov/is/graphics/photos/apr12/d2458-1.htm</a>