Pests. Acanthoscelides obtectus Say – Bean Weevil. Object map. Systematic position. Class Insecta, order Coleoptera, family Bruchidae, genus Acanthoscelides. Size: mm. Basic colour: Brown Pattern colour: Darker spots scattered, sometimes paler longitudinal streaks. Number of spots: Numerous small dark spots. Citation: Walker, K. () Bean weevil (Acanthoscelides obtectus) Updated on 1 /25/ AM Available online: PaDIL.

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Bean weevil

Biological features of bean weevil Acanthoscelides obtectus Say in Georgia. Chemical Control Due to the variable regulations around de- registration of pesticides, we are for the moment not including acahthoscelides specific chemical control recommendations.

Like most websites we use cookies. In southern part of the species area, the overwintering can be observed in plant residues. Larvae penetrate into the grains, eating the contents completely. They are usually found in dried kidney and haricot beans.

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Close Find out more. For further information, we recommend you visit the following resources: High harming activity is reported in Transcaucasia, Krasnodar Territory, in some regions of Ukraine.

Pupation also takes place in grain days. Originating in Central America they have been inadvertently spread around the world in grain shipments. Its length varies from 2 to 5 mm. The wing cases are short and mottled brown with the antennae being grey and reddish. Acanthoscelides obtectus Scientific classification Kingdom: By using this site, you agree to the Terms of Use and Afanthoscelides Policy. The species is very sensitive to zcanthoscelides below zero.


Retrieved 3 February Class Insecta, order Coleoptera, family Bruchidae, genus Acanthoscelides. It has been recorded on a number of other legumes, including cowpeas in Mexico, chickpeas and Voandzeia subterranea, but it seldom attains pest status on these hosts. They have a ‘tear drop’ like body shape and are covered in short hairs. Sometimes it is observed in the southern part of West Siberia. Fecundity of one female reaches eggs.

Acanthoscelides obtectus – Wikipedia

Proceedings of Georgian plant protection institute, The beetles appear at the temperature In other projects Wikimedia Commons Acanyhoscelides. The eggs develop during days. Acanthoscelides obtectusthe bean weevilis a species of beetle. Proceedings of Stavropol’ agricultural institute. The pest arrives in the storehouse with grain where it develops until cold.

Within the obtectjs of the Former Soviet Union, the insect is marked with spotted distribution. The removal of infested residues from last season’s harvest is essential. The influence of air humidity on bean weevil Acanthoscelides obtectus Say.

Cajanus cajan pigeon pea. The insect produces a sweet, “fruity” pheromone that gives cultures of newly emerged adults a pleasant smell.


Proceedings of Sixth Session of Transcaucasian Board to coordination research works on plant protection November, Related Acanthoscelodes Lesser pea weevil – [Bruchus affinis] Pea weevil – [Bruchus pisorum] Broadbean weevil – [Bruchus rufimanus] Graham bean weevil – [Callosobruchus analis] Southern Cowpea weevil – [Callosobruchus chinensis] Cowpea weevil – [Callosobruchus maculatus] Cowpea Weevil – [Callosobruchus phaseoli].

See Department of Agriculture, Western Australia weblink. This page was last edited on 22 Marchat Views Read Edit View history.

From Wikipedia, the free encyclopedia. The grub, or obtecths, is whitish and hairy. Life cycle of one generation takes days. Larvae have bristles and three pairs of legs.

Adult bean weevils hibernate inside the seeds or seed pods of these plants. Biologicheskii zhurnal Armenii 36 8: Page Through Results Previous 1 2 Next. Larval period lasts They are generally considered a pest species for this reason. Control del gorgojo de frejol en almacen.

In storehouses, the pest occurs in more northern territory. The Bean Weevil causes significant damage to haricot-bean and bean.