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Insect Pests of Crop

Insect Pests of Crops Idaho AG 510H

TermDefinition
Insect Small, boneless animal whose body is divided into three sections and has six legs
Spider A small, eight-legged animal having a body composed of two divisions (cephalothorax and abdomen); the spider is an arachnid, not an insect
Mite Any of a large number of tiny arachnids, many of which live as parasites upon plants
Entomology A branch of science that deals with the study of insects
Life cycle Stages in the life development of an insect
Metamorphosis A change in form, either gradual or sudden
Complete metamorphosis Having four distinct growth stages in development in which a major change in structure and appearance of the insect occurs; each feeding life stage may eat different diets and occupy different environments
Incomplete metamorphosis Gradual change in appearance as growth proceeds; the immature forms are called nymphs and eat the same as the adults
Pupa Stage between the larva and adult in insects with complete metamorphosis
Larva Immature form of an insect having complete metamorphosis
Cocoon A silken case inside which the pupa is formed
Nymph The immature stage of an insect with incomplete metamorphosis
Damage Associated with crop loss and/or reduction in crop yield or crop quality
Injury Deviation from normal appearance of the plant, from which it may recover and not depress yield and/or quality
Pesticide Chemical used to control pests
Insecticide A pesticide used to kill or control insects
Acaricide Pesticide used to kill or control mites, ticks and spiders
Created by: dholmes
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