endius can penetrate 1,3, 5 cm of soil and ferment wheat bran and 1 cm of sand to seek and parasitize the housefly pupae.

• 结果发现，在发酵后麦麸内蝇蛹两种小蜂均能寄生，泥土内仅东方实蝇蛹俩小蜂能寄生，且寄生率高，厚度为1、3、5cm；