This parasite attacks caterpillars of swallowtail butterflies. They are attracted to lights and flowers. The rest of the body is reddish-brown or orange. This species is common and a parasite of the garden webworm. Chelonus texanus Cress.
Wing veins are yellowish brown with a black stigma.
It is common in alfalfa. It is an important parasite of aphids such as corn leaf aphid, greenbug, melon and cabbage aphid. Females deposit a single egg in an aphid with the young parasite devouring the internal tissue, causing the aphid to become brown, swollen and attached to a leaf. Later, the parasite emerges through a circular opening in the aphid. This tiny wasp parasitizes cutworms, tomato hornworms and other kinds of caterpillars.