Appearance and relative size of the last instar and adult of the convergent lady beetle, Hippodamia convergens.. Credit: 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.
