Reproductive System,Parasitic Habits and Larval Development of Coccobius azumai Tachikawa(Hymenoptera: Aphelinidae)

Coccobius azumai Tachikawa(Hymenoptera: Aphelinidae)is one of the dominant parasitoids of Hemiberlesia pitysophila Takagi in China.The ovary of C.azumai consists of 3 ovarioles on each side,with the separated ligament composed of terminal filament.Sensilla trichodea,sensilla pore,cuticular spines,and sensilla coeloconic were all found on the ovipositor of C.azumai.The major process of oviposition of C.azumai are searching,host location,host examination,ovipositor penetration,oviposition and cleaning.The reproduction modes of C.azumai are both gamogenesis and parthenogenesis,the males by parthenogenesis hyperparasitizing on the mature larvae or pupae of conspecific individuals.The whole development includes egg,larva,pupa and adult.