Insect pests include Vine weevils and cutworms. Among major pests affecting cauliflower are aphids, root maggots, cutworms, moths, and flea beetles. Known pests are cabbage root maggots, cutworms and flea beetles. However, some crows also eat many agricultural pests including cutworms, wireworms, grasshoppers, and harmful weeds. They are greenish-brown cutworms, soft and bulging caterpillars with dark longitudinal stripes. The larvae are cutworms that feed on various grasses. Pests such as cutworms may first attack weeds but then move on to cultivated crops. The larvae are known as "cutworms" because they cut plants and other crops. Predation and cannibalism&colon; During the larval stage, some cutworms readily feed on other insects. Arthropods and cutworms ("Protorthodes rufula") are also eaten throughout the year. Its primary diet is various species of cutworms. Cutworms, grasshoppers, and old or fresh American bison scat are occasionally eaten. Cutworms are notorious agricultural and garden pests. Cutworms are not worms, biologically speaking, but caterpillars.