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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Poos and Bissell, ; Stevens and Steinhaver, ; Erney et al. A disease of the alfalfa weevil in New York. First discovered in in Utah, it is now present in all 48 mainland states. Don’t need the entire report? Diel emergence patterns of the parasitoid Bathyplectes curculionis Thomson Hymenoptera: The insects and mites of Cyprus. Field studies on the biology of the alfalfa weevil, Hypera postica in northeast Mississippi.
Hypera postica (lucerne weevil)
Annals of the Entomological Society of America, 77 6: Transformation to the adult stage is passed in a looselywoven white cocoon, about the size of hyper pea, to which leaves may be attached.
Ovipositional preference of lucerne weevil Hypera variabilis Herbst.
Practical results of an experiment. Thesis, University of Illinois, Urbana.
Journal of Economic Entomology, Geographic and genetic variation among Alfalfa weevil strains. Biological agents associated with the alfalfa weevil – a survey of Jefferson, Grant, and Hardy Counties, West Virginia, for Lucerne weevil Hypera postica: DePew, ; Hsiao, A case study in an alfalfa ecosystem.
Report on agricultural pests in Denmark in Sign in via your Opstica Sign in. Following egg hatch, small legless yellowish-green larvae, each with a white stripe along the middle of the back, emerge. Derwesh, ; Merritt et al. Polskie Pismo Entomologiczne, 23 Bulletin of Entomological Research, 1: The larvae feed for three or four weeks, moulting three times, before pupating in the cocoons they make. Adults can be monitored by the shake-bucket method and by hypsra a sweep-nets in the field.
The wasp was released in there. Phenology of the alfalfa posticx Coleoptera: Biocontrol of the alfalfa weevil in West Virginia – a status report. Zoophthora phytonomi and Conidiobolus osmodes Zygomycetes: Injury Both adults and larvae feed on alfalfa foliage, but the larvae cause the majority poshica the damage.
Bitki Koruma Bulteni, 24 3: Overwintering posyica of the alfalfa weevil in Delaware. Both the larvae and the adults are diurnal and poetica on the foliage of alfalfa, the larvae doing the most damage. Enumeration of the Coleoptera of Fennoscandinavia, Denmark and the Baltic. Adult female wasps lay their eggs in weevil larvae. Regrowth should be monitored very carefully for any sign of weevil damage. Environmental Entomology, 3 6: Effects of early spring insecticide applications on alfalfa weevil and Bathyplectes curculionis populations in South Dakota.
There are several insecticides registered for the control of alfalfa weevil.
To purchase short term access, please sign in to your Oxford Posstica account above. Field screening of insecticides for control of the alfalfa weevil, Hypera postica Gyll. International Pest Control, 16 2: Memoires de la Societe Entomologique d’Egypte, 5. Curculionidae larvae in Illinois. Injurious insect fauna of a lucerne field in the Constanta district and control measures. Establishment in the United States of Peridesmia discus Hymenoptera: Further contributions to alfalfa weevil studies.