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In North America, the spotted and striped cucumber beetles are the most commonly encountered varieties. The spotted cucumber beetle has three subspecies, each with a different common name: Diabrotica undecimpunctata howardi – spotted cucumber beetle or southern corn rootworm [4] Diabrotica undecimpunctata tenella – western cucumber beetle [5]
Acalymma vittatum, the striped cucumber beetle, is a beetle of the family Chrysomelidae and a serious pest of cucurbit crops in both larval and adult stages. The striped cucumber beetle has a distinctive appearance, displaying a yellow-colored elytra with black stripes.
Spotted cucumber beetle, northern corn rootworm beetle, and western corn rootworm beetle Western corn rootworm. Cucumber beetle is a common name given to members of two genera of beetles, Diabrotica and Acalymma, both in the family Chrysomelidae. [1] The adults can be found on cucurbits such as cucumbers and a variety of other plants. Many are ...
Diabrotica is a large, widespread genus of beetles in the family Chrysomelidae. Members of this genus include several destructive agricultural pest species, sometimes referred to as cucumber beetles or corn rootworms.
In the United States, two species are major pests of cucurbits, the striped cucumber beetle (Acalymma vittatum), which is mainly found east of the Mississippi River, and Acalymma trivittatum which is mostly found west of the Mississippi. [2] Adults feed on young leaves, and larvae can damage roots. [3]
Acalymma trivittatum, the western striped cucumber beetle, is a species of leaf beetle in the family Chrysomelidae. [ 1 ] [ 2 ] [ 3 ] It is found in Central America and North America . [ 1 ] [ 4 ] It is considered a key pest on crops in the Cucurbitaceae family.
American wheel bug attempts capture of spotted cucumber beetle and captures and rejects an ambush bug Arilus cristatus vs. Epargyreus clarus caterpillar A. cristatus is also noted to be very aggressive in the wild, and cannibalistic behaviors between them have been noted; for example, nymphs may prey on one another and the female may feed on ...
The cantharidin content of one striped blister beetle has been reported to be about 0.31 to 1.45 milligrams in one small sample, [6] and about 4 [7] or 5 milligrams in general. [4] The toxic dose of cantharidin in horses is about one milligram per kilogram body weight, and the ingestion of 30 to 50 beetles can be fatal. [ 4 ]
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