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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 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]
The pupal stage is white and has the basic shape of the adult. Adult rootworms are about .25 inches (6.4 mm) long. Western corn rootworms are yellowish with a black stripe on each wing cover. Northern corn rootworm beetles are solid in color and vary from light tan to pale green. [2]
Diabrotica adelpha is a species of beetle in the family Chrysomelidae. It was described by Edgar von Harold in 1875. Description. The body is 5.8-7.4 mm. The body is marked with a black head, red pronotum, and distinctive pattern of black, white, and yellow on the elytra.
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 notorious pests of agricultural crops. The larvae of several cucumber beetles are known as corn rootworms.
Diabrotica balteata is a species of cucumber beetle in the family Chrysomelidae known commonly as the banded cucumber beetle. It occurs in the Americas, where its distribution extends from the United States to Colombia and Venezuela in South America. [1] It is also present in Cuba. [2] It is a pest of a variety of agricultural crops. [3] On ...
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Diabrotica cristata, the black diabrotica, is a species of skeletonizing leaf beetle in the family Chrysomelidae. It is found in North America. [1] [2] [3] References