Save our wine


By Kurt Kleiner A PARASITIC wasp is being released into California’s vineyards this month in a bid to control a disease that is threatening to destroy the state’s wine industry. The wasps’ target will be a leafhopper called the glassy-winged sharpshooter (Homalodisca coagulata). Since last year, the bug, a recent import into California, has been spreading Pierce’s disease, a vascular infection of vines caused by the bacterium Xyella fastidiosa. Larry Bezark, an entomologist with the California Department of Food and Agriculture, says officials hope to begin releasing the Mexican parasitic wasp Gonatocerus triguttatus this month,
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