The term cutworm is used for the larvae of many species of moth. Most cutworms are in the moth family Noctuidae, however, not all noctuid larvae are cutworms. Cutworms are notorious agricultural and garden pests. They are voracious leaf, bud, and stem feeders and can destroy entire plants. They get their name from their habit of "cutting" off a seedling at ground level by chewing through the stem. Some species are subterranean and eat roots. Cutworms are usually green, brown, or yellow soft-bodied caterpillars, often with longitudinal stripes, up to one inch in length. There are many variations across the genera. A larva (Latin; plural larvae) is a juvenile form of animal with indirect development, undergoing metamorphosis (for example, insects or amphibians). ... A moth is an insect closely related to the butterfly. ... Type species Noctua pronuba (Large Yellow Underwing) Diversity 4,200 genera 35,000 species Subfamilies Acontiinae Acronictinae Aganainae Agaristinae Amphipyrinae Amphipyrinae Bagisarinae Bryophilinae Calpinae Catocalinae Cocytiinae Condicinae Cuculliinae Dilobinae Eucocytiinae Eustrotiinae Euteliinae Glottulinae Hadeninae Heliothinae Herminiinae Hypeninae Noctuinae Plusiinae Psaphidinae Raphiinae Stictopterinae Stiriinae Strepsimaninae Ufeinae The Noctuidae are a family...
Binomial name Agrotis infusa (bogong moth) , Subspecies The Bogong moth (Agrotis infusa) is a temperate species of night-flying moth notable for appearing in major proportions around major public buildings in Canberra, the capital city of Australia, during spring (late September to November). ... Binomial name Agrotis exclamationis Linnaeus, 1758 The Heart and Dart (Agrotis exclamationis) is a moth of the family Noctuidae. ... Binomial name Agrotis clavis Hufnagel, 1766 The Heart and Club (Agrotis clavis) is a moth of the family Noctuidae. ... Binomial name Agrotis segetum Denis & Schiffermüller, 1775 The Turnip Moth (Agrotis segetum) is a moth of the family Noctuidae. ... Binomial name Spodoptera exigua (Hübner, 1808) The beet armyworm (Spodoptera exigua) is one of the most well-known agricultural pest insects. ... Binomial name Noctua pronuba Linnaeus, 1758 The Large Yellow Underwing (Noctua pronuba) is a moth, the type species for the family Noctuidae. ...
The army cutworm (bottom, Figure 1) feeds on the foliage of wheat, oats, barley, mustard, flax, alfalfa, sweetclover, field peas, cabbage, sugar beets, corn, oats, potatoes, various weeds (notably stinkweed) and grasses.
Army cutworms are pale greenish-gray to brown in colour.
Cutworm control in cereals is usually necessary when cutworms destroy 3-10% of the crop or when cutworm populations exceed two to five cutworms per 100 plants or three to four cutworms per square metre (square yard).
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