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The glassy-winged sharpshooter

University of California, Riverside
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UCR scientists are pursuing non-pesticide biological control of the glassy-winged sharpshooter by introducing a natural enemy, a tiny stingless wasp, Gonatocerus triguttatus. The wasp is successfully reducing populations of the sharpshooter in Mexico and Texas.

The first batch of wasps have been released by David Morgan, a post-doctoral research scientist at the University of California, Riverside.

Sharpshooters swarming on a tree
Sharpshooters swarming on a tree
Print-quality version [ 2.3M ]


David Morgan releasing wasps
David Morgan releasing wasps
Print-quality version [ 4.5M ]


David Morgan releasing wasps
David Morgan releasing wasps
Print-quality version [ 3.5M ]


David Morgan releasing wasps
David Morgan releasing wasps
Print-quality version [ 3.3M ]


David Morgan releasing wasps
David Morgan releasing wasps
Print-quality version [ 3.1M ]


Temecula vineyard showing bare areas where infected vines have been removed
Temecula vineyard showing bare areas where infected vines
have been removed
Print-quality version [ 3.1M ]


Vial containing wasps to be released
Vial containing wasps to be released
Print-quality version [ 2.3M ]


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