alfalfa weevil


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Related to alfalfa weevil: Potato Leafhopper

alfalfa weevil

n.
A weevil (Hypera postica) native to Eurasia that is destructive to North American alfalfa crops.

alfal′fa wee`vil


n.
a European weevil, Hypera postica, now an important pest of alfalfa in North America.
[1910–15]
References in periodicals archive ?
These insects had fed almost exclusively on larvae of alfalfa weevil, Hypera postica (Gyllenhal) (Coleoptera: Curculionidae), which were infesting the stand of alfalfa and were the only prey observed in the field at the time of collection.
Then with the arrival of the Alfalfa weevil in the late 1950's and an abundant supply of inexpensive nitrogen fertilizer However Alfalfa acreage fell sharply in the early 1960's.
Overall, results indicated that timely insecticide applications were more effective in chemical control of alfalfa weevil and increase of forage yield and quality.
Some pests, such as alfalfa weevil, aphids, armyworms, and the potato leafhopper, can reduce alfalfa yields dramatically, particularly with the second cutting when weather is warmest.
beans, and alfalfa weevil infestations become more common when the first
The alfalfa weevil (Hypera postica), both in its larval stage and as an adult, feeds on plant leaves.
There are reports of using capsicum as biopesticides against Alfalfa weevil larvae (6).
Armadillo is susceptible to the larvae of the alfalfa weevil (Hypera postica Gyllenhal) (Muir et al.
Insecticides were applied as needed to control potato leafhopper (Empoasca fabae Harris) and alfalfa weevil (Hypera postica Gyllenhal).