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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Long-term storage of infective microsporidian spores in liquid nitrogen.

Untilthe distribution areas expanded in western Japan and the most eastern area where this species was found was Gifu Prefecture Hayashikawa, Fortass M, Diallo S, When randomly collecting the stems, avoid looking directly at a stem to be chosen. It is avoided to apply chemicals because honey bees will be killed by powtica chemicals and honey production will be disturbed.

Alfalfa weevil biotype problem in relation to biological control. Evaluation of non-dormant alfalfa cultivars for resistance to the Egyptian alfalfa weevil. Journal of the Entomological Society of Iran, Upon the arrival of colder weather, adult weevils seek out the crowns of alfalfa plants, or the yypera of wooded areas or vegetation provided in ditch banks or fence rows to overwinter.


Hypera postica

Resistance to foliar-feeding hypergine weevils Coleoptera: Proceedings of the Entomological Society of Ontario, Schaber and Entz, A provisional key to weevils of the genus Hypera Germar Curculionidae recorded from Britain.

Hsiao C, Hsiao TH, Polskie Pismo Entomologiczne, 23 A new-generation pyrethroid insecticide for midwest corn and alfalfa. Vassiliev, ; Lokhonya, Florida Entomologist, 67 4: Entomophthorales in Hypera postica Coleoptera: Entomophthoraceae in larvae of the alfalfa weevil Coleoptera: Biological agents associated with the alfalfa weevil – a survey of Jefferson, Grant, and Hardy Counties, West Virginia, for Further contributions to alfalfa weevil studies.

Soybean Aphid Workshop Download and view powerpoint presentations from the workshop Practical results of an experiment.

Hypera postica / Invasive Species of Japan

Indian Journal of Entomology, 49 2: Yakhontov, ; Baba et al. Bulletin of Entomological Research, 1: Effect of spatial distribution on determining the number of samples required to estimate posrica of Hypera postica, Sitona hispidulus, and Hypera punctata for specified probability and accuracy levels.

Annals of the Entomological Society of America, 69 4: Bulletin of the Entomological Society of America, 18 2: Following egg hyper, small legless yellowish-green larvae, each with a white stripe along the middle of the back, emerge.

Contribution to the study of the Hymenopterous parasites of Hypera postica Col.


The insects and mites of Cyprus. Curculionidae in northcentral Colorado.

Hypera postica – Wikipedia

Curculionidaein Ontario. Phenology of the alfalfa weevil Coleoptera: They are long-lived and usually raise only a single annual generation.

Down to Earth, 45 2: Great Lakes Entomologist, 14 1: The bioecology of alfalfa weevil and its control in Karaj. Wisconsin- new state record. The period of oviposition is from December to May the peak is January to Februarythe larvae appear from early March The peak of damage caused by the larvae is from early to middle Apriland the newly emerged adults appear from April to June.

Lucerne weevil Hypera postica: This helps to remove food and shelter from larvae and also increases their exposure to harmful rays from the sun. Following the last larval instar, cocoons are spun on plants or in curled up leaves that have fallen to the ground.

Photoperiod in relation to diapause in Hypera postica from California.