The maximum values of searching rate of Pediobius foveolatus to H. vigintioctopunctata in Solanum melongena groups and Solanum nigrum groups were 1.85 and 1.94, respectively.
Toxicity of 8 insecticides to the larvae of Henosepilachna vigintioctopunctata Fabricius and its major larval parasite, Pediobius foveolatus Crawford , was investigated in the laboratory.