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Cutworms accordingly are serious pests to gardeners in general, but to vegetable and grain farmers in particular. For example, it has been suggested that in South Africa, Agrotis segetum is the second worst pest of maize. [1] Note that the cutworm mode of feeding is only one version of a strategy of avoiding predators and parasitoids by day.
Manduca quinquemaculata, the five-spotted hawkmoth, is a brown and gray hawk moth of the family Sphingidae.The caterpillar, often referred to as the tomato hornworm, can be a major pest in gardens; they get their name from a dark projection on their posterior end and their use of tomatoes as host plants.
Agrotis ipsilon, the dark sword-grass, ipsilon dart, black cutworm, greasy cutworm or floodplain cutworm, is a small noctuid moth found worldwide. [2] The moth gets its scientific name from black markings on its forewings shaped like the letter "Y" or the Greek letter upsilon . [ 3 ]
Agrotis gladiaria, the swordsman dart or claybacked cutworm, is a moth of the family Noctuidae. It is found in south-eastern Canada from Nova Scotia to Ontario and in the United States from Maine to the panhandle of Florida , west to eastern Texas , eastern Kansas , eastern Nebraska , southern Wisconsin and Michigan .
Agrotis bilitura, the potato cutworm, is a moth of the family Noctuidae. It is found from the Tarapacá Region to the Magallanes Region and the Juan Fernández Islands in Chile, Argentina, Huánuco Region in Peru and Uruguay. The wingspan is 30–43 mm. Adults are on wing from October to November and in January.
Agrotis venerabilis, the dusky cutworm, is a moth of the family Noctuidae. The species was first described by Francis Walker in 1857. It is found from coast to coast from central Canada south to Mexico .
Its life-cycle comprises four development stages: egg, larva, pupa and adult; combined, 26–75 days. [2]: 241 Adults usually lay yellow [2]: 241 eggs on the underside of leaves or stems, and to a lesser extent on fruits. After hatching, young larvae penetrate leaves, aerial fruits (like tomato) or stems, on which they feed and develop.
Agrotis segetum is one of the most important species of noctuid moths whose larvae are called cutworms. [2] The larvae are generally grey, sometimes tinged with purple. They attack the roots and lower stems of a huge range of plants [ 3 ] (see list below) and can be a particularly serious pest of root vegetables and cereals. [ 12 ]