Yellow striped armyworm larva feeding on a tomato. Adults: Moths with up to 2" wingspan. Black cutworm: wings uniformly dark brown with black “dash” marking on forewing. Variegated cutworm: wings grayish/brown with darker bean-shaped spot and smaller round spot usually visible on each wing.Pupae: Dark brown/mahogany colored case, ¾ - 1” long, in a chamber near soil surface.
Variegated cutworm: brownish/gray to grayish/black with yellow-white spots on its back and a dark “W” mark on its 8th abdominal segment of last instar (growth stage). Black cutworm: uniformly gray/brown to nearly black, somewhat greasy sheen. Larvae: Stout caterpillars with rough skin, almost 2” long when full grown (there are usually 6 instars).Eggs: Tiny, white-brown spheres (black cutworm) or half-spheres (variegated cutworm), with ribs radiating from center, laid on foliage in clusters of up to several hundred.Plants cut off at the soil line is symptom of cutworms Black cutworm larva (Agrotis ipsilon) and damage it caused to a young corn plant
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