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. Distribution of eastern and western alfalfa weevil in Nebraska determined by cross-matings Coleoptera: An adult of the parasitoid wasp, Bathyplectes anurus against the alfalfa weevil. Growth Stages Top of page Flowering stage, Vegetative growing stage.

Settled after hyera, but not distributed all over the country. We recommend beginning scouting after the accumulation of to degree-days. Curculionidaein eastern Ontario.

Hypera postica

Natural enemies of alfalfa weevil, Hypera postica Coleoptera: The ant, Lasius japonicusworked with efficiency to exclude larvae of the alfalfa weevil on the common vetch Katayama and Suzuki, The duality of imaginal diapause inception in pteromalids parasitic on Hypera postica.

The apparent climatic limitations of the alfalfa weevil in California. Ichneumonidaetwo parasites of Hypera postica Gyllenhal Hyperq Alfalfa or jypera or lucerne weevil. Preying habits and hibernation site of Coccinella septempunctata L. Beitrage zur Entomologie, 34 2: You have entered an invalid code. Peridesmia discus, an egg predator of Hypera postica in Europe.


Hashmi AA, Tashfeen A, Ferdinandsen C, Rostrup S, Biology and distribution of Tetrastichus posricaa parasite of the alfalfa weevil. Effect of dates of sowing and varieties on the incidence of insect pests of lucerne Medicago sativa L. Checklist of beetles of Canada and Alaska.

Entomopathogenic fungi in insects in alfalfa fields in southwestern Ontario.

Aphididae and Hypera postica Gyllenhal Coleoptera: Curculionidae larvae in Iowa. Ochrana Rostlin, 29 4: Larvae feed initially on the inside of terminal leaves and later move to foliage on the lower portion of the plant.

Bulletin of Environmental Contamination and Toxicology, 5 2: Annals of the Entomological Society of America, 77 6: The effect on selected entomophagous insects of insecticides applied for pea aphid control in alfalfa. The insects and mites of Cyprus. It is avoided to apply chemicals because honey bees will be killed by the chemicals and honey production will be disturbed. Proceedings of the Entomological Society of Washington, 52 5: Curculionidae in North America.

Four species of parasitic wasps were introduced from U. Entomophthoraceae and Bathyplectes anurus Hymenoptera: Canadian Entomologist, 8: Clover leaf weevil larva M.

The pinkish flowers of Chinese milk vetch are enjoyed by people as a springlike farmland landscape. Within these species, only Bathyplectes anurus postida established and expanded gradually in Kitakyusyu City and Yamaguchi Prefecture Okumura and Shiraishi, Curculionidae in cyanogenic white clover.


Curculionidae larvae in Illinois. Comparison of insect abundance under sprinkler and flood irrigation systems in alfalfa Medicago sativa L. Geographic and genetic variation among Alfalfa weevil strains. Bhartiya Krishi Anusandhana Patrika, 4 2: Curculionidae coincidental in time and place. Observations on parasitization of lucerne weevil, Hypera postica Gylianhal.

Hypera postica – Wikipedia

The importance of the encounter rate between ants and herbivores and of ant aggressiveness against herbivores in herbivore exclusion by ants on Vicia angustifolia L. They emerge as adults in about one or two weeks. Entomological Review, Washington, Descriptions of two new ichneumon flies Hymenoptera parasitic on alfalfa weevil, Hypera postica Gyllenhal Coleoptera, Curculionidae from Japan.

Effect of fall cutting and alfalfa weevil on alfalfa yields and forage quality. Thought to be of Asian origin, the alfalfa weevil was introduced into the United States from southern Europe. The appearance of the fungus as a major mortality factor after the two above mentioned parasitoids were established poses the question of how these all will now coexist, especially as they attack the larval stage.

A new approach to alfalfa weevil control. By using this site, you agree to the Terms of Use and Privacy Policy. Environmental Entomology, 23 1: