Susceptibility of different species of insects to an extract of the venom gland of the wasp Microbracon hebetor (Say)

A venom gland extract of Microbracon hebetor (Say) was injected into representatives of different insect orders. A high susceptibility to this paralysing venom is restricted to the order of the Lepidoptera . A few species of Hemiptera, Diptera and Hymenoptera could be paralysed but only if high doses of the venom were injected.