Posted on: March 15, 2020 Posted by: admin Comments: 0


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.

Author: Kigagrel Aranos
Country: Finland
Language: English (Spanish)
Genre: Business
Published (Last): 22 January 2014
Pages: 413
PDF File Size: 20.54 Mb
ePub File Size: 7.62 Mb
ISBN: 447-3-63616-684-9
Downloads: 38663
Price: Free* [*Free Regsitration Required]
Uploader: Monris

Hypera postica

An adult of the parasitoid wasp, Bathyplectes anurus against the alfalfa weevil. Written on 22, Jul.

The fungus Entomophthora phytonomi pathogenic to the alfalfa weevil, Hypera postica. The alfalfa weevil in Maryland.

Further notes on Bathyplectes curculionis in lowland middle California. The larvae feed for three or four weeks, moulting three times, before pupating in the cocoons they make.


Hypera postica – Wikipedia

Environmental Entomology, 19 3: The ant, Lasius japonicusworked with efficiency to exclude larvae of the alfalfa weevil on the common vetch Katayama and Suzuki, Field survey of Hypera brunneipennis Coleoptera: Whitford F, Quisenberry SS, Journal of Agricultural Entomology, 8 2: A new microsporidium in alfalfa weevil populations: Wehrle, ; Erney et al. Behavior of alfalfa weevil larvae affecting the establishment of Tetrastichus incertus in Colorado.

Please consider upgrading your browser to the latest version or installing a new browser. Close mobile hyepra navigation Article navigation. Population density ppstica Phytonomus brunneipennis Boh.

Early season larval damage first and second instars shows up as pinholes in leaf terminals. Patassan luna Girault Hymenoptera: In Illinoissome eggs are laid in the late fall or the winter, when weather conditions permit. Environmental Entomology, 3 5: Down to Earth, 45 2: Early harvesting is a very effective tool for the management of the alfalfa weevil.

poatica Schaber and Entz, Canadian Entomologist, 8: Entomology Research Division, Agr. Bathylplectes anurus and B. Indian Journal of Entomology, 49 2: Further details may be available for individual references in the Distribution Table Details section which can be selected by going to Generate Report.

  48 CFR 9904 PDF

Arkansas Farm Research, 17 4: Evaluation of non-dormant hypra cultivars for resistance to the Egyptian alfalfa weevil. Injured leaves dry quickly, and heavily-damaged alfalfa fields appear grayish. Four species of parasitic wasps were introduced from U.

Canadian Entomologist, 9: Hsiao C, Hsiao TH, Journal of Invertebrate Pathology, 26 3: The alfalfa leaf weevil.


Leave a Comment