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 bruchid (Acanthoscelides obtectus)

They are generally considered a pest species for this reason. The wing cases are short and mottled brown with the antennae being grey and reddish. Bean weevils feed on vetchesbeans and other leguminous plants.

Archived from the original on 3 February Proceedings of Sixth Session of Transcaucasian Board to coordination research works on plant protection November, Proceedings of Georgian plant protection institute, Publishing house of agricultural department.

A number of parasitoid wasp are associated with the bean weevil larvae. At first they feed on vetch, peavine, lupin, alfalfa, and other leguminous cultures; they then move on to haricot bean, bean, soybean, lentils. American naturalist Thomas Say named the bean weevil species as Acanthoscelides obtectus in Overwintering of the Bean Weevil takes place at the stages of beetle or larva other stages can also winter ,usually in storehouses. Oligophagous pest of leguminous. Proceedings of Stavropol’ agricultural institute.


The species was described in by Thomas Say. Zashchita i karantin rastenii Page Through Results Previous 1 2 Next. Cookies on Plantwise Knowledge Bank Like most websites we use cookies. New pest of haricot-bean Acanthoscelides obtectus Say in Stavropol’ area.

Related Species 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]. The influence of air humidity on bean weevil Acanthoscelides obtectus Say. Biological features of bean weevil Acanthoscelides obtectus Say in Georgia. Cultural Control and Sanitary Methods Good store hygiene plays an important role in limiting infestation by this species.

The femur of the hind leg has three tooth-like spines. To studying bean weevil in Georgia and its control. Larvae penetrate into the grains, eating the contents completely.

Ecological features of bean weevil and acanthiscelides for control measures. Oblong egg is white, about 0.


It was transferred with grain to Europe ontectus the end of Nineteenth century; in the s it was brought to Crimea. When small lots of beans are stored, daily turning of the storage container can significantly reduce infestation.

Larvae are white with a yellow head during their first instar and white with acanthoscelidess brownish head from the second instar. This page was last edited on 22 Marchat Like most websites we use cookies.

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Zashchita rastenii ot vreditelei i boleznei 2: Bean weevils develop and feed upon leguminous plants. If you would like to, you can learn more about the cookies we use. Knowledge Bank home Change location.

Plant protection against agricultural pests, diseases, weeds in Pskov region Proc.

Most important predators are Eupelmus degeeri Dalm. The species is very sensitive to temperatures below zero. From Wikipedia, the free encyclopedia.