Xylella-fastidiosa-vector-management
Guides
Gonatocerus
fairyfly
Gonatocerus is a speciose genus of fairyflies (Mymaridae) comprising at least 260 described species. These minute parasitoid wasps are primary egg parasitoids of leafhoppers and sharpshooters (Hemiptera: Cicadellidae), with several species extensively studied for biological control of agricultural pests, particularly the glassy-winged sharpshooter (Homalodisca vitripennis). The genus is divided into five subgenera: Gonatocerus (nominate), Lymaenon, Cosmocomoidea, Gastrogonatocerus, and Gahanopsis, with species distributed across all major biogeographic regions.