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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In other projects Wikimedia Commons Wikispecies. The Bean Weevil causes significant damage to haricot-bean and bean.

The pest arrives in the storehouse with grain where it develops until cold. Proceedings of Stavropol’ agricultural institute. Within the territory of the Former Soviet Union, the insect is marked with spotted distribution.

Biological basis for control measures improvement on haricot-bean seeds against bean weevil. Diagnostic Notes Grey-green in colour and about 3 – 5 mm long.

If the seeds are stored in a warm place multiple generations can be produced one after another. The largest number and harming activity are observed at the end of June and in July. Cookies on Plantwise Knowledge Bank Like most websites we use cookies. They have a ‘tear drop’ like body shape and are covered in short hairs.

This page was last edited on 22 Marchat Life cycle of one generation takes days. Control del gorgojo de frejol en almacen. About temperature and humidity influence on bean weevil number and damaging haricot-bean seeds at keeping conditions. Continuing to use www. High harming activity is reported in Transcaucasia, Krasnodar Territory, in some regions of Ukraine. Class Insecta, order Coleoptera, family Bruchidae, genus Acanthoscelides.


Acanthoscelides obtectus – Wikipedia

New pest of haricot-bean Acanthoscelides obtectus Say in Stavropol’ area. They are generally considered a pest species for this reason. If you would like to, you can learn more about the cookies we use. Zashchita rastenii ot vreditelei i boleznei 2: The beetle body is ovoid, slightly convex, light or dark brown, with yellow-green golden hairs and longitudinal spots from above, light gray hairs from below.

To studying bean weevil in Georgia and its control. By using this site, you obectus to the Terms of Use and Privacy Policy. Plant protection against agricultural pests, diseases, weeds in Pskov region Proc. 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. Management of bean weevils with insecticides. Cultural Control and Sanitary Methods Good store hygiene plays an important role in limiting infestation by this species.

For further information, we recommend you visit the following resources: Go to distribution map Overwintering of the Bean Weevil takes place at the stages of beetle or larva other stages can also winter ,usually in storehouses. Larvae are white with a yellow head during their first instar and white with a brownish head from the second instar.

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The influence of air humidity on bean weevil Acanthoscelides obtectus Say. Grey-green in colour acatnhoscelides about 3 – 5 mm long. Like most websites we use cookies.


The femur of the hind leg has three tooth-like spines. A number of parasitoid wasp are associated with the bean weevil larvae. The species is very sensitive to temperatures below zero. Articles with ‘species’ microformats Commons category link is on Wikidata. Bean weevils feed on vetchesbeans and other leguminous plants. When small lots of beans are stored, daily turning of the storage container can significantly acanthoscelidse infestation.

Home Australian Biosecurity Bean weevil. Search Details Australian Biosecurity. Oligophagous pest of leguminous. Retrieved from ” https: Publishing house of agricultural department. It was transferred with grain to Europe in the end of Nineteenth century; in the s it was brought to Crimea.

Eggs are milky white. The pest also migrates to grain fields.

bean bruchid (Acanthoscelides obtectus)

From Wikipedia, the free encyclopedia. Several larvae can develop in one grain to Biologicheskii zhurnal Armenii 36 8: Bean weevils are originally native to Central America, [5] however grain shipments at the end of the 19th century introduced the species to Europe where it subsequently spread around the globe.

When grain pulses are stored at farm level the admixture of vegetable oil can give good protection Baier and Webster, Larval period lasts The eggs develop during days.