Under certain California conditions, a tiny, nearly microscopic wasp parasite, Anagrus epos Girault, is capable of holding population levels of the grape leafhopper, Erythroneura elegantula Osborn, down to noneconomic levels.
No takes yet. Share an insight, caveat, or question.
Doutt et al. (1965) studied this question.
Synapse has enriched 5 related papers. Consider them for comparative context: