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Diabrotica barberi, the northern corn rootworm, is a species of skeletonizing leaf beetle in the family Chrysomelidae. It is found in North America . [ 1 ] [ 2 ] [ 3 ] Adults feed on corn, and, when corn is unavailable, goldenrod pollen.
Diabrotica barberi R. Smith & Lawrence, 1967 - northern corn rootworm; Diabrotica barclayi Derunkov, Rocha Prado, Tishechkin & Konstantinov, 2015; Diabrotica balteata LeConte, 1865 - banded cucumber beetle; Diabrotica bartleti Baly, 1890; Diabrotica beniensis Krysan & Smith, 1987; Diabrotica biannularis Harold, 1875; Diabrotica bilineata Baly, 1890
The Western corn rootworm, Diabrotica virgifera virgifera, is one of the most devastating corn rootworm species in North America, especially in the midwestern corn-growing areas such as Iowa. A related species, the Northern corn rootworm, D. barberi , co-inhabits in much of the range and is fairly similar in biology.
Diabrotica undecimpunctata, the spotted cucumber beetle or southern corn rootworm, is a species of cucumber beetle that is native to North America. The species can be a major agricultural pest insect in North America. Spotted cucumber beetles cause damage to crops in the larval and adult stages of their life cycle.
It includes two subspecies, Diabrotica virgifera virgifera (the western corn rootworm) and Diabrotica virgifera zeae (the Mexican corn rootworm). [2]
Diapause in insects is a dynamic process consisting of several distinct phases. While diapause varies considerably from one taxon of insects to another, these phases can be characterized by particular sets of metabolic processes and responsiveness of the insect to certain environmental stimuli. [6]
Chlorethoxyfos (O,O-diethyl-O-(1,2,2,2-tetrachloroethyl)phosphorothioate) is an organophosphate acetylcholinesterase inhibitor used as an insecticide.It is registered for the control of corn rootworms, wireworms, cutworms, seed corn maggot, white grubs and symphylans on corn.
Helicoverpa zea earns its nickname the corn earworm for its widely known destruction of cornfields. [34] The corn earworm feeds on every part of corn, including the kernels. [34] Severe feeding at the tip of kernels allows entry for diseases and mold growth. [34] Larvae begin feeding on the kernels once they have reached third instar. [34]