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Pierce's Disease
Research Updates

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What is Pierce's Disease?

Pierce's Disease is a bacterial infection, which is spread by bugs that feed on grapevines, particularly the "glassy winged sharpshooter." Grapevines that become infected with PD can quickly become sick and die.

glassy-winged sharpshooter

Taxonomic notes on the genera and species of Trichogrammatidae (Hymenoptera) - Egg parasitoids of the proconiine sharpshooters (Hemiptera : Clypeorrhyncha : Cicadellidae : Proconiini) in Southeastern USA

  • Author(s): Triapitsyn, Serguei;
  • Abstract: Proconiine sharpshooter (Hemiptera: Clypeorrhyncha: Cicadellidae: Proconiini) host associations are indicated for five species of egg parasitoids in four genera of Trichogrammatidae (Hymenoptera) in the southeastern USA: Oligosita Walker, Paracentrobia Girault, Ufens Girault, and Zagella Girault. Four named and three unnamed species are included in the illustrated key and taxonomic notes are given for those species. Zagella spirita (Girault), a new combination from Ufens, is redescribed based on the recently collected specimens. The lectotype is designated for Trichogramma nigrum Ashmead, the type species of Ufens.
  • Publication Date: Jun 2003
  • Journal: Transactions Of The American Entomological Society

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