Corn Insects

Corn: Brown marmorated stink bug

Corn: Brown marmorated stink bug categories: Corn Corn Insects Vegetables last review date: 2025-10-31 11:45 Brown marmorated stink bugs feeding on corn, damage to kernelsPhoto by: Gerald Brust, Univ of Maryland Biology The brown marmorated stink bug (BMSB) is an introduced pest species from Asia that is spreading quickly across the United States. Nymphs and […]

Corn: Corn aphids

Corn: Corn aphids categories: Corn Corn Insects Vegetables last review date: 2025-10-30 02:45 Corn aphids on sheathPhoto by: Unknown Biology Aphids are small, soft-bodied, pear-shaped insects. They may vary in color from yellow to green to dark. Aphids typically feed in colonies on the leaves, often preferring the newer growth. Infested leaves turn yellow and […]

Corn: Corn earworm

Corn: Corn earworm categories: Corn Corn Insects Vegetables last review date: 2025-10-30 02:43 Corn earworm damagePhoto by: A.L. Antonelli Biology The corn earworm is the caterpillar of a light to dark brown moth with a 1 1⁄2″ wingspan. The caterpillars are up to 1 1⁄2″ long at maturity. They vary widely in color, but typically have darker stripes […]

Corn: Cutworms and armyworms

Corn: Cutworms and armyworms categories: Corn Corn Insects Vegetables last review date: 2025-10-30 02:39 Tan armyworm caterpillar Photo by: K. Grey Biology Cutworms and armyworms are the larvae of noctuid moths. These common moths are medium-sized with fairly dull coloration. The greenish, grayish, or tan caterpillars are hairless, nocturnal, and generally spotted, striped, or otherwise marked.  […]

Corn: Earwigs

Corn: Earwigs categories: Corn Corn Insects Vegetables last review date: 2025-10-30 02:36 Adult European earwigPhoto by: M. Bush Biology Earwigs are reddish-brown insects about 3⁄4 inch or less in length. Both males and females have pincers at the rear end. Earwigs are largely beneficial, feeding on many pests such as aphids, mites, and nematodes, as […]

Corn: Western spotted cucumber beetle

Corn: Western spotted cucumber beetle categories: Corn Corn Insects Vegetables last review date: 2025-10-30 11:55 Western spotted cucumber beetlePhoto by: K. Grey Biology The western spotted cucumber beetle is a pest of many ornamentals and vegetables. About 1⁄4″ long, the adult beetles have yellow wing covers with black spots. The rest of the body is […]