Cooperators:

The egg parasitoid, Gonatocerus ashmeadi, is a mymarid wasp that accounts for most of the observed parasitism in California on the glassy-winged sharpshooter (GWSS), Homalodisca coagulata (Say), a vector for Pierce’s disease. In the absence of techniques for propagating the wasp via artificial methods, it is very important to mass-rear the GWSS to provide host eggs for this parasite to be used in bio-control programs. Low temperature storage is an integral part of the process o