Appearance and relative size of an adult damsel bug, <i>Nabis</i> sp.
Appearance and relative size of an adult damsel bug, Nabis sp.
Credit: Photo by Celeste Green adapted from Smith RF, Hagen KS. 1956. Enemies of Spotted Alfalfa Aphid. California Agriculture 10(4):8-10. Available online: http://ucanr.edu/repositoryfiles/ca1004p8-64509.pdf.