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The glassy-winged sharpshooter, Homalodisca vitripennis (Germar) is a significant pest of grapevines in California due to vectoring Xylella fastidiosa Wells et al., Buckwheat (Fagopyrum esculentum Moench) and vetch (Vicia sativa L. cv. ‘cahaba white’) are potential nectar-producing cover crop plants in California vineyards that could enhance Gonatocerus ashmeadi Girault, a parasitoid of H. vitripennis...
The effect of five different food resources (Coccus hesperidum honeydew, honey-water, Lobularia maritima, Fagopyrum esculentum and water only) on the longevity, fecundity, and progeny fitness of female Gonatocerus ashmeadi, an egg parasitoid of the glassy-winged sharpshooter (Homalodisca vitripennis) was investigated in the laboratory. Female G. ashmeadi survived 208–405% longer (up to 11.7 days longer)...
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