Aphids are among the most destructive insect pests on cultivated plants in temperate regions.
The armyworm gets its name from its habit of "marching" in large numbers from grasslands into crops
Caterpillars as a rule are voracious feeders and many of them are among the most serious of agricultural pests.
Feed on plants belonging to the grass family; both wild and cultivated, such as wheat, rye, barley, oats, and corn.
The grubs mostly live underground or under debris, so are not exposed to sunlight.
The majority of mite species are harmless to humans, but a few species of mites can colonize humans directly, act as vectors for disease transmission, or cause or contribute to allergenic diseases.
Mole crickets are omnivores, feeding on larvae, worms, roots, and grasses.
Plaster bagworm larvae do not eat cotton fiber products, but woolen threads are eagerly consumed by the larvae.
Many scale species are serious crop pests. The waxy covering of many species of scale insects protects them effectively from contact insecticides,
Slugs & Snails
Land-dwelling species can chew up leaves, bark, fruit and some plants.
Sod webworms were first recognized as a serious pest of lawns and golf courses.
The ability of whiteflies to carry and spread disease is the widest impact they have had on global food production. Since whiteflies congregate in large numbers, susceptible plants can be quickly overwhelmed.