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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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Obtectsu 3 February Archived from the original on 3 February Biological Control Biological control has not been used against this species. Proceedings of Georgian plant protection institute, N The grub, or larva, is whitish and hairy.

Management of bean weevils with insecticides. The pest also migrates to grain fields.

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acanthoscelidez EU pesticides database www. Home Australian Biosecurity Bean weevil. 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].


Proceedings of Stavropol’ agricultural institute. Eleytra does not cover the abdominal end.

Larvae have bristles and three pairs of legs. Its length varies from 2 to 5 mm. By using this site, you agree to the Terms of Use and Privacy Policy.

More Information Author Walker, K. Acahthoscelides emerge through a window cut in the testa, so heavy infestation can result in a large number of holed seeds, with adults moving across the stored commodity.

Acanthoscelides obtectus – Wikipedia

Plant protection against botectus pests, diseases, weeds in Pskov region Proc. The wing cases are short and mottled brown with the antennae being grey and reddish. Oblong egg is white, about 0.

Acanthoscelides obtectusthe bean weevilis a species of beetle. Oligophagous pest of leguminous. Gorgojo de granos almacenados en frijol-Nicaragua.

Obtectuz store hygiene plays an important role in limiting infestation by this species. When grain pulses are stored at farm level the admixture of vegetable oil can give good protection Baier and Webster, About ecology and harming activity of bean weevil Acanthoscelides obtectus Say in Armenian conditions.

Fecundity of one female reaches eggs. This limits the species to how far north it can spread, and is found only as far north as northern Lithuaniawith some being found in south-west Siberia.


Several obtetcus can develop in one grain to Continuing to use www.

AgroAtlas – Pests – Acanthoscelides obtectus Say – Bean Weevil

Retrieved 2 February In storehouses, the pest occurs in more northern territory. The Bean Weevil causes significant damage to haricot-bean and bean. The eggs are whitish and ellipsoidal, and are laid in loose groups in the holes chewed in the pod along the seam or in cracks. Control measures include keeping the temperature below zero in storehouses, fumigation, insecticide treatments in fields. At first they feed on vetch, peavine, lupin, alfalfa, and other leguminous cultures; they then move on to haricot bean, bean, soybean, lentils.

Acanthoscelides obtectus Say The pest acanyhoscelides in the storehouse with grain where it develops until cold. About temperature and humidity influence on bean weevil number and damaging haricot-bean seeds at keeping conditions.

Biological basis for control measures improvement on haricot-bean seeds against bean weevil.