ACANTHOSCELIDES OBTECTUS PDF

ACANTHOSCELIDES OBTECTUS PDF

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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Adult bean weevils hibernate inside the seeds obtextus seed pods of these plants. Grey-green in colour and about 3 – 5 mm long. Proceedings of Georgian plant protection institute, Several larvae can develop in one grain to The native land of this species is Central America. For further information, we recommend you visit the following resources: More Information Author Walker, K.

Larvae are white with a yellow head during their first instar and white with a brownish head from the second instar. Most obtextus predators are Eupelmus degeeri Dalm. Control measures include keeping the temperature below zero in storehouses, fumigation, insecticide treatments in fields.

The northern border of its area goes along northern borders of Lithuania, Byelorussia, Tula and Ryazan’ Regions, Bashkortostan, Tatarstan. Gorgojo de granos almacenados en frijol-Nicaragua.

In other projects Wikimedia Commons Wikispecies. Proceedings of Stavropol’ agricultural institute. Its length varies from 2 to 5 mm. To studying bean weevil in Acantgoscelides and its control.

Acanthoscelides obtectus (Say, ) | UK Beetle Recording

The influence of air humidity on bean weevil Acanthoscelides obtectus Say. Retrieved 3 February See Department of Agriculture, Western Australia weblink. Admixture of approved grain insecticides, especially organophosphorous compounds, will protect against this pest. When grain pulses are stored at farm level the admixture of vegetable oil can give good protection Baier and Webster, Cookies on Plantwise Knowledge Bank Like most websites we use cookies. The pest damages grain in both field and storehouses, becoming rather harmful.

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This is to ensure that we give you the best experience possible. Adults 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. Zashchita i karantin rastenii Legs are yellow red and antenna red brown.

Sometimes it is observed in the southern part of West Siberia.

Bean weevil

The insect has clavate antenna first segments are red-brown and yellow-red legs. If you would like to, you can learn more about the cookies we use.

Acanthoscelides obtectus Say By using this site, you agree to the Terms of Use and Privacy Policy. Acanthoscelides obtectus Scientific classification Kingdom: Proceedings of Georgian plant protection institute, N Class Insecta, order Coleoptera, family Bruchidae, genus Acanthoscelides.

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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. Biologicheskii zhurnal Armenii 36 8: In southern part of the species area, the overwintering can be observed in plant residues. Oligophagous pest of leguminous. Oblong egg is white, about 0. Pronotum is wider than it is long; quadrangular scutellum is large. Originating in Central America they have been inadvertently spread around the world in grain shipments.

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Overwintering of the Bean Weevil takes place at the stages of beetle or larva other stages can also winter ,usually in storehouses. About temperature and humidity influence on bean weevil number and damaging haricot-bean acanthooscelides at keeping conditions.

The pest also migrates to grain fields. The largest number and harming activity are observed at the end of June and in July.

Biological basis for control measures improvement on haricot-bean seeds against bean weevil. Ecological features of bean weevil and basis for control measures. Pests of agricultural crops and forest plantations.

Retrieved from ” https: Control del gorgojo de frejol en almacen.

Acanthoscelides obtectus – Wikipedia

Articles with ‘species’ microformats Commons category link is on Wikidata. The beetles appear at the temperature In some days after coupling, female lay eggs into or on ripening pods by groupspiercing the pod acanthoscelidew or gnawing holes.

Chemical Control Due to the variable regulations around de- registration of pesticides, we are for the moment not including any specific chemical control recommendations. Larval period lasts