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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Environmental Entomology, 19 5: However, clover leaf weevils rarely cause economic injury in alfalfa in Illinois. Ichneumonidae in Kentucky alfalfa fields. Pteromalidae in hyperq eastern United States.

Retrieved 13 October Establishment of the alfalfa weevil parasite Microctonus pthiopoides Hymenoptera: Journal of Economic Entomology, 57 postics Epizootiology of the fungal pathogen, Zoophthora phytonomi Zygomycetes: Field screening of insecticides for control of the alfalfa weevil, Hypera postica Gyll. They are long-lived and usually raise only a single annual generation. Sinea diadema feeding notes.

Biological Control of Alfalfa Weevil < hypera postica

Economic Plants and their Diseases, Pests and Weeds. Cothran, ; Flanders et al. The countermeasures against the alfalfa weevil were as follows. The reproduction of the alfalfa weevil has been suppressed well around the places where B.


Alfalfa weevils feed during the day, actively feeding on the foliage, starting near the leaf tips. The wasp was released in there. Annals of the Entomological Society of America, 89 6: Adults can be monitored by the shake-bucket method and by using a sweep-nets in the field.

Hymenopterous parasites of the alfalfa weevil, Hypera posticain New York.

Hypera postica

Curculionidae in the fauna of the USSR. Upon the arrival of colder weather, adult posrica seek out the crowns of alfalfa plants, or the protection of wooded areas or vegetation provided in ditch banks or fence rows to overwinter.

Ueno reported that B. Curculionidae coincidental in time and place.

Bulletin of the Utah Agricultural Experiment Station, Israel Journal of Entomology 2: FAO, ; Aldryhim, The effect on selected entomophagous insects of insecticides applied for pea aphid control in alfalfa. Curculionidae on alfalfa in Louisiana.

Ferdinandsen C, Rostrup S, It is avoided to apply chemicals because honey bees will be killed by the chemicals and honey production will be disturbed.


The ant, Lasius japonicusworked with efficiency to exclude larvae of the alfalfa weevil on the common vetch Katayama and Postifa, Both adults and larvae feed on alfalfa foliage, but the larvae cause the majority of the damage. In the Eastern United States, larvae of the alfalfa weevil, Hypera postica Gyllenhalencapsulate hyperw of the ichneumonid Bathyplectes curculionis Thomson.

Scutelleridae to the plain of Diyarbakir Karacadag.

If an insecticide is selected as a management tactic, do not apply it during bloom because of potential harm to nontarget insects such as honey bees. The Relationship between the time of seeding fields with Chinese milk vetch and the occurrence of the alfalfa weevil, Hypera postica. Severe alfalfa weevil injury – “frosting”. Whitford F, Quisenberry SS, Checklist of beetles of Canada and Alaska.

The alfalfa weevil in Maryland.