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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]
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.
Created Date: 8/30/2012 4:52:52 PM
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 longicornis is a species of skeletonizing leaf beetle in the family Chrysomelidae. It is found in Central America and North America. It is found in Central America and North America. [ 1 ] [ 2 ] [ 3 ]
Diabrotica virgifera is a species of beetle in the family Chrysomelidae. It is an agricultural pest species that attacks maize. [1] It includes two subspecies, Diabrotica virgifera virgifera (the western corn rootworm) and Diabrotica virgifera zeae (the Mexican corn rootworm). [2] Diabrotica virgifera virgifera.