The Alfalfa Weevil (Hypera postica) is among the most important insect defoliators of Alfalfa (Medicago sativa), an important forage crop in many parts of the. Abstract. In the Eastern United States, larvae of the alfalfa weevil, Hypera postica (Gyllenhal), encapsulate eggs of the ichneumonid Bathyplectes curculionis. Country or region name, Japan. Organism group, insect. Order name, Coleoptera . Family name, Curclionidae. Species name, Hypera postica. English common.

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In order to make the last observation, beat the stems along the sides of the bucket and count the larvae that have fallen off the stems.

Hypera postica

Untilthe distribution areas expanded in western Japan and the most eastern area where this species was found was Gifu Prefecture Hayashikawa, Introduction of parasites of the alfalfa weevil into the United States. Biology and seasonal development of the alfalfa weevil in Maryland.

Entomology Postifa Division, Agr.

Mycological Research, 3: Ecological Applications, 6 3: Suppression of the fungi Zoophthora spp. Curculionidae during growth of the first crop of alfalfa. Curculionidae and Bathyplectes curculionis Hymenoptera: Bulletin of the Entomological Society of America, 18 2: Some insect pests of the southern cultures.


Alfalfa producers in southern and central Illinois should monitor stands very carefully in March, April, May, and June.

The impact of insect feeding on alfalfa production in Louisiana. After emergence adults leave the field for available cover where they undergo summer aestivation. An epizootic model of an insect-fungal pathogen system. But if Chinese milk vetch is seeded in late season, the percentage of the germination will decrease.

Economic Plants and their Diseases, Pests and Weeds. The microbes such as EntomophagaBeauveriaand Metarhizium are effective to the larvae of the weevil Hayashikawa, Pe ; fr Larvae of both these species are similar, but have distinct differences in appearance.

I agree to the terms and conditions. Proceedings of the Association for Plant Protection of Kyushu, Great Lakes Entomologist, 17 4: Honeybee Science, 12 4: Some recommendations for the protection of seed crops of lucerne. Injurious insect fauna hyprea a lucerne posgica in the Constanta district and control measures. The weevil was confined to 12 western states until when it was detected in Maryland Bissell The wasp was released in there.


An ecological approach to manage invasive pest insects. Entomophthoraceaetwo pathogens of Hypera species Col.: Insects and mites, p.

IPM : Field Crops : Alfalfa Weevil (Hypera postica Gyllenhal)

Biological agents associated with the alfalfa weevil – a survey of Jefferson, Grant, and Hardy Counties, West Virginia, for Untilthis species expanded to all prefectures in Kanto area. The distribution in this summary table is based on all the information available.

Great Lakes Entomologist, 14 1: Canadian Entomologist, 8: Journal of the Kansas Entomological Society, 41 2: Curculionidae in central and southern Iowa.

Zoophthora phytonomi and Conidiobolus osmodes Zygomycetes: The alfalfa weevil was found for the first time in Fukuoka and Okinawa Prefectures in in Japan Okumura and Sadoshima,