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 kernels Photo 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 […]
Corn: Corn aphids Categories: Corn Corn Insects Vegetables Last review date: 2025-10-30 02:45 Corn aphids on sheath Photo 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 […]
Corn: Corn earworm Categories: Corn Corn Insects Vegetables Last review date: 2025-10-30 02:43 Corn earworm damage Photo 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 […]
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 Categories: Corn Corn Insects Vegetables Last review date: 2025-10-30 02:36 Adult European earwig Photo 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, […]
Corn: Spider mites Categories: Corn Corn Insects Vegetables Last review date: 2025-10-30 02:34 Spider mite damage on leaf Photo by: A.L. Antonelli Biology Spider mites are tiny, eight-legged mites which may range in color from yellowish to green or red. They typically feed on the underside of leaves, causing a yellowish to bronze stippling or […]
Corn: Western spotted cucumber beetle Categories: Corn Corn Insects Vegetables Last review date: 2025-10-30 11:55 Western spotted cucumber beetle Photo 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 […]