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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Therefore, a high percentage of weevil larvae are postlca to the parasite. Oxford University Press is a department of the University of Oxford. Effects of temperature on development of the alfalfa weevil, Hypera postica Gyll.

Adult female wasps lay their eggs in weevil larvae. Curculionidae in an intergrade zone.

Curculionidae in central and southern Iowa. Entomophthoraleson larval populations of the alfalfa weevil, Hypera postica Gyllenhal Coleoptera: Note on population of lucerne weevil, Hypera postica Gylh Coleoptera: Journal of Invertebrate Pathology, 26 3: Population trends of the alfalfa weevil larvae and the distribution of its parasites in Pennsylvania.

Report on agricultural pests in Denmark in Results of the expedition to Albania of the German Entomological Institute. This helps to remove food and shelter from larvae and also increases their exposure to harmful rays from the sun.


Polskie Pismo Entomologiczne, 23 The discovery of an alfalfa weevil Hypera brunneipennis Boheman in Hypeera. Sign In or Create an Account.

Hypera postica

Alfalfa consumption by adult clover leaf weevil Coleoptera: Curculionidaein Alberta. The parasitoid cocoon may be found in the cocoons of the alfalfa weevil, and these parasitoid cocoons appear to “jump” several centimeters when disturbed.

Feeding damage to several leguminous and non-leguminous plants by the Egyptian alfalfa weevil.

List of Pests of Lucerne. Alfalfa weevil activity can be predicted with the use of degree-days. At first, the larvae feed on terminal leaves leaving puncture marks, but they later move down the plant to feed on lower leaves.

Great Lakes Entomologist, 16 4: Florida Entomologist, 67 4: The fungus is believed to be Erynia phytonomi Thomson and posticz differs from that attacking cloverleaf weevil. Some recommendations for the protection of seed crops of lucerne. Injury Both adults and larvae feed on alfalfa foliage, but the larvae cause the majority of the damage.

Hypera postica / Invasive Species of Japan

Schaber BD, Entz T, Abstract In the Eastern United States, larvae of the alfalfa weevil, Hypera hypdra Gyllenhalencapsulate eggs of the ichneumonid Bathyplectes curculionis Thomson. The body length of the adult is 4. Until 8th year after the first findings, the distribution areas of this weevil were restricted in Kyusyu and Okinawa areas and Hyogo Pref. Entomophthora phytonomia fungal pathogen of the alfalfa weevil in the mid-great plains.


Entomology Research Division, Agr.

A bibliography of the alfalfa weevil, Hypera postica Gyllenhaland the Egyptian alfalfa weevil, Hypera brunneipennis Boheman Coleoptera: Review of the species of the genus Phytonomus Schonh.

Kinetic orientation behaviour of the alfalfa weevil to its host plants. Netherlands Journal of Plant Pathology, 99 4: Contribution to the bionomics of the lucerne weevil Hypera variabilis Hbst.

Hypera postica – Wikipedia

Comparison of insect abundance under sprinkler and flood irrigation systems in alfalfa Medicago sativa L. The alfalfa weevil is one of the primary insect defoliators of alfalfa.

This article is also available for rental through DeepDyve. In recent years insecticide use in alfalfa has decreased. Miller and White, Mycological Research, 3: An epizootic model of an insect-fungal pathogen system. 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.