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27 July 2012 Distribution of several species of parasitoids of the glassy-winged sharpshooter (Hemiptera: Cicadellidae) in southern California
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Abstract

We investigated the distribution and prevalence of egg parasitoids of the glassy-winged sharpshooter, Homalodisca vitripennis (Germar 1821), at six field sites over two years. Percentage parasitism often reached 100% from June until October. Most of the observed parasitism was attributed to two species of Gonatocerus, G. ashmeadi Girault 1915 and G. walkerjonesi S. Triapitsyn 2006, with the former producing most of the parasitism in interior southern California and the latter being predominant at coastal sites. This is the first published study that indicates G. walkerjonesi may be dominant in parts of California. Other species detected at low levels were G. novifasciatus Girault 1911, G. morgani S. Triapitsyn 2006, Ufens principalis Owen 2005, and U. ceratus Owen 2005.

John Lytle and J. G. Morse "Distribution of several species of parasitoids of the glassy-winged sharpshooter (Hemiptera: Cicadellidae) in southern California," The Pan-Pacific Entomologist 88(1), 1-7, (27 July 2012). https://doi.org/10.3956/2011-37.1
Received: 20 October 2011; Published: 27 July 2012
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