Madera County
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ANR Blogs

Managing Weevils in Alfalfa Hay Production

Weevil Larva

It’s that time of year again when we need to start thinking about controlling weevils in alfalfa hay production. Egyptian alfalfa weevils are the most damaging insect pests of alfalfa in...

Posted on Monday, February 25, 2013 at 12:39 PM

Now's the Time to Apply Preemergence Herbicides for Dodder


Dodder is a troublesome annual parasitic weed that infests alfalfa fields.  Initial infestations are usually caused by sowing dodder infested seed (a good reason to purchase Certified seed) and...

Posted on Monday, February 18, 2013 at 4:54 PM
  • Author: Steve Orloff

Egyptian Alfalfa Weevil and Pyrethroid Insecticides

The UC Statewide IPM Pest Management Guidelines lists many insecticides as effective for Alfalfa ( However, these are not the only insecticides...

Attached Files
Alf blog 2 12 - 2013
Posted on Tuesday, February 12, 2013 at 9:04 AM

Current Wine and Wine Grape Research

The FPS Annual Meeting is fast approaching – have you registered yet? The 2012 Annual Meeting is being held on February 20, 2013 due to scheduling conflicts with the 17th Congress of the...

Posted on Monday, February 11, 2013 at 1:35 PM

Entomopathogenic fungus Zoophthora phytonomi found in Egyptian alfalfa weevil

Infected alfalfa weevil compared to healthy weevil

The alfalfa weevil complex, comprised of the Egyptian alfalfa weevil, Hypera brunneipennis, and alfalfa weevil, Hypera postica, is the most damaging arthropod complex in California alfalfa (Medicago...

Infected alfalfa weevil compared to healthy weevil
Infected alfalfa weevil compared to healthy weevil

Alfalfa weevil infected with entomopathogenic fungus on the left compared to a healthy alfalfa weevil on the right

Posted on Thursday, January 31, 2013 at 8:38 PM
  • Author: Vonny M. Barlow

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