potato beetle


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potato beetle,

name for two beetlesbeetle,
common name for insects of the order Coleoptera, which, with more than 300,000 described species, is the largest of the insect orders. Beetles have chewing mouthparts and well-developed antennae.
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 of the leaf beetle family and for two of the blister beetleblister beetle,
common name for certain soft-bodied, usually black or brown, mostly elongate and cylindrical beetles belonging to the family Meloidae. Blister beetles are common insects found feeding on the flowers and foliage of various plants. Occasionally some, e.g.
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 family, all destructive to the potato plant and its relatives. Most notorious is the Colorado potato beetle, or potato bug (Leptinotarsa decemlineata), a black-and-yellow striped member of the leaf beetle family. It was once confined to the Rocky Mts., where it lived on wild members of the nightshade, or potato, family. When settlers introduced the Irish, or white, potato (c.1855), the insect spread through most of the United States and then to Europe. Its orange-yellow eggs are laid in clusters on the undersides of the leaves, on which the reddish, black-spotted larvae feed. Pupation (see insectinsect,
invertebrate animal of the class Insecta of the phylum Arthropoda. Like other arthropods, an insect has a hard outer covering, or exoskeleton, a segmented body, and jointed legs. Adult insects typically have wings and are the only flying invertebrates.
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) takes place on the ground, and the adults emerge to feed on the potato plants; they hibernate underground during the winter. The destruction caused by the Colorado potato beetle has been one of the chief reasons for the development of insecticides; Paris green and other arsenic compounds have been used extensively. A member of the same family is the three-lined potato beetle (Lema trilineata) of the E United States, sometimes called old-fashioned potato beetle. The adults are yellow-orange with black stripes and lay their eggs scattered randomly over potato leaves. Two blister beetles of the genus Epicauta are also known as old-fashioned potato beetles. They are slender insects with complex life histories, passing through several larval stages before pupating. They feed on potatoes, tomatoes, and other members of the nightshade family. One (Epicauta vittata) has orange and black stripes and is also called striped potato beetle, or striped blister beetle; the other (E. marginata) is black with gray margins. The various potato beetles termed "old fashioned" were considered major pests before the spread of the more destructive Colorado potato beetle. Potato beetles are classified in the phylum ArthropodaArthropoda
[Gr.,=jointed feet], largest and most diverse animal phylum. The arthropods include crustaceans, insects, centipedes, millipedes, spiders, scorpions, and the extinct trilobites.
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, class Insecta, order Coleoptera. The Colorado potato beetle and the three-lined potato beetle are classified in the family Chrysomelidae and the old-fashioned potato beetles (Epicauta) in the family Meloidae.
References in periodicals archive ?
Comparative efficacy of Beauveria bassiana, Bacillus thuringiensis, and aldicarb for control of Colorado potato beetle in an irrigated desert agroecosystem and their effects on biodiversity.
2005) Enzyme-assisted synthesis of (S)-1,3-dihydroxy-3,7-dimethyl-6octen-2-one, the male-produced aggregation pheromone of the Colorado potato beetle, and its (R)enantiomer.
The bio-oil also killed 100% of Colorado potato beetles, a resistant pest that can destroy potato crops.
As an alternative to these chemicals, the Monsanto Company developed a potato that contains a gene from the bacterium Bacillus thuringiensis (Bt) to control the Colorado potato beetle and another gene to control the potato leaf roll virus spread by the aphids.
The NewLeaf potatoes are engineered to produce bacillus thuringiensis, or Bt, a common bacterium found in the soil and used as a pesticide to kill the dreaded Colorado potato beetle.
Development and survival of Podisus maculiventris (Say) (Hemiptera: Pentatomidae), a predator of the Colorado potato beetle (Coleoptera: Chrysomelidae).
The instructor got approval from the USDA in Washington and proposed that the students work on finding a solution in a problem with the delivery system of a potato beetle pesticide.
In the Colorado potato beetle (Leptinotarsa decemlineata, Coleoptera: Chrysomelidae), host-finding appears to be based on relative proportions of common leaf odors (Visser and Av[acute{e}] 1978, Visser 1979, Visser and De Jong 1988), and these proportions may easily be disrupted by the presence of other plant species (Visser 1986).
told its farmers to stop using Monsanto's "NewLeaf' potato, modified to contain a toxin that repels the Colorado Potato Beetle.
Dickens says no one had ever caught a Colorado potato beetle with a synthetic lure before.
Everyone knows that sooner or later a mutant Colorado potato beetle will eat a Monsanto Bt potato and survive to reproduce; a new race of Bt-resistant insects will emerge, and the utility of the bacteria to humankind will end.