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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The alfalfa weevil grows to a length of about 4 to 5. Quantitative and qualitative studies on insects of the order Coleoptera at different seasons of the year and the biocoenosis of lucerne in the Plovdiv region. Campbell and Dudley, Journal of Chemical Ecology, 22 9: References Top of page Adlung KG, The host-parasite relationship in California hyepra, since there encapsulation occurs rarely.

Influence of the fungal pathogen. The literature of arthropods associated with alfalfa.

Measuring alfalfa weevil larval populations by volume. Bulletin of the Brooklyn Entomological Society, 39 2: With emphasis on species of economic importance to agriculture, forestry, man and domestic animals.

Ovipositional preference of lucerne weevil Hypera variabilis Herbst. The weevil is also attacked by various entomopathogenic fungi.


Hypera postica

Bulletin of Environmental Contamination and Toxicology, 5 2: Environmental Entomology, 11 2: Environmental Entomology, 13 1: Checklist of beetles of Canada and Alaska.

Journal of Economic Entomology, 66 5: Whitford F, Quisenberry SS, Pienkowski and Golik, ; Luna and Ravlin, Canadian Journal of Zoology, 48 3: Uzbekskii Biologicheskii Zhurnal, 4: The increase in irrigated forage areas has in turn engendered the increases in clover weevil numbers and damage. The parasitoid cocoon may be found in the cocoons of the alfalfa weevil, and these parasitoid cocoons appear to “jump” several centimeters when disturbed.

The reproduction of the alfalfa weevil has been suppressed well around the places where B. Schaber and Entz, Alfalfa weevil biotype problem in relation to biological control. The first larval peak is estimated to occur after the accumulation of degree-days and the second larval peak after degree-days.


Biological Control in Crop Protection. The apparent climatic limitations of the alfalfa weevil in California.

On the fauna of mermithids of the mountain zone of the Tashkent Posrica. New suction device for sampling arthropod populations. Younger larvae tend to produce conidia and older larvae resting spores Barney et al. A new record for a parasite of the alfalfa weevil in eastern United States, Eriplanus micator Gravenhorst Hymenoptera: A last instar larva of the alfalfa weevi on a leaf of the white clover. Population dynamics of the most important useful and destructive insects on alfalfa in the Sofia area.


Annales Universitatis Marip Curie-Sklodowska, Problems of protecting seed lucerne from insect pests in the Ukraine steppe. It is restricted in effectiveness as a biological control agent because it often appears late relative to currently recommended harvest dates Ambrust et al.

IPM : Field Crops : Alfalfa Weevil (Hypera postica Gyllenhal)

Ichneumonidae in Kentucky alfalfa fields. Observations on the pests of forage crops in Tunesia.

The impact of insect feeding on alfalfa production in Hyperra. Environmental Entomology, 19 3: Hastings and Pepper, California Agriculture, 25 5: Lucerne weevil Hypera postica: Sexual dimorphism and morphometric differences in the eastern, western, and Egyptian alfalfa weevil.

Kinetic orientation behaviour of the alfalfa weevil to its host plants.

Hypera postica / Invasive Species of Japan

Biology and seasonal development of the alfalfa weevil in Maryland. The body length of the adult is 4. Zoophthora phytonomi and Conidiobolus osmodes Zygomycetes: The countermeasures against the alfalfa weevil were as follows. Diel emergence patterns of the parasitoid Bathyplectes curculionis Thomson Hymenoptera: