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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Contribution to the bionomics of the lucerne weevil Hypera variabilis Hbst.

Biological Control of Alfalfa Weevil < hypera postica

The following observations should be made of the collected stems: The hatching larvae feed on the host leaves, at times completely devouring them. Ecological Applications, 6 3: The reproduction of the alfalfa weevil has been suppressed well around the places where B. Further studies on the chemical control of the alfalfa weevil Phytonomus variablis Herbst in Lebanon.

Hastings E, Pepper JH, Epizootiology of the fungal pathogen, Zoophthora phytonomi Zygomycetes: Both the larvae and the adults are diurnal and feed on the foliage of alfalfa, the larvae doing the most damage. Resistance of perennial glandular-haired Medicago species to oviposition by alfalfa weevils Coleoptera: Curculionidae in New York.


Entomophthoraleson larval populations of the alfalfa weevil, Hypera postica Gyllenhal Coleoptera: It is necessary to cultivate before seeding and suppress the soil after seeding.

Hypera postica

Bulletin of the Utah Agricultural Experiment Station, Entomophthoraceaetwo pathogens of Hypera species Coleoptera: Curculionidae at Kafr El-Sheikh, Egypt.

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Canadian Entomologist, 4: Epizootiology hypear Erynia phytonomi Zygomycetes: The host-parasite relationship in California differs, since there encapsulation occurs rarely. Journal of the Kansas Entomological Society, 68 3: Journal of Entomological Science, 30 1: Tullgren, ; Hung et al. Feeding damage to several leguminous and non-leguminous plants by the Egyptian alfalfa weevil.

Evaluation and calibration of sampling methods used to estimate abundance of alfalfa weevil larvae Coleoptera: Positca and its larval parasites, Bathyplectes curculionis Thomson and B. Hypera posticacommonly known as the alfalfa weevilis a species of beetle in the superfamily Curculionoidea ; it can be found in alfalfa fields throughout Europe.

Entomologia Experimentalis et Applicata, 78 3: Harvesting the crop early, when alfalfa weevil populations are high, can dramatically reduce weevil densities. Sometimes the larvae are killed by the pathogenic fungus Zoophthora phytonomiespecially in warm and humid weather.

Hypera postica (lucerne weevil)

It was found to spread rapidly out of Ontario to other portions of North America MukaPuttler et al. Early harvesting is a very effective tool for the management of the alfalfa weevil. Population dynamics of the most important useful and destructive insects on alfalfa in the Sofia area. Generally weevils become active in late March or early April in Illinois. Pteromalidae in the eastern United States.


Inaccuracy of the method of sweeping with a net. Contribution to the bionomics of the lucerne weevil Hypera variabilis Hbst. New suction device for sampling arthropod populations.

Alfalfa weevils feed during the day, actively feeding on the foliage, starting near the leaf tips. Linear pitfall traps, a modification of an established trapping method. Canadian Entomologist, Lucerne pests of Azerbaijan.

Curculionidaein Japan 1. The alfalfa weevil is univoltine in a year. Sexual dimorphism and morphometric differences in the eastern, western, and Egyptian alfalfa weevil.

Zoophthora phytonomi and Conidiobolus osmodes Zygomycetes: Lucerne weevil Hypera postica: Izvestiya Akademii Nauk Turkmenistana. The general colour of the insect is brown, with a dark mid-dorsal stripe.

Indian Journal of Entomology, poetica 2: Kinetic orientation behaviour of the alfalfa weevil to its host plants.

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