Larvae are soft bodied and shaped like miniature alligators. They are active and have long legs. Young larvae are gray or black with no bright markings. Older larvae are gray or black with bright yellow or orange markings.
Primarily on aphids and occasionally on whiteflies, other soft-bodied insects and insect eggs.
University of California – Davis –
Iowa State University Extension, Corn Field Guide: A reference for identifying diseases, insect pests and disorders of corn. 2009: 49.