In all experiments the body of females is longer than males, and when parasitizing in rice weevil in maize, the parasitoids has the shortest body length in both male and female.

• 同时，在4个系统中，均以寄生小麦中的米象或玉米象时，其子代长翅型个体数量明显大于寄生玉米中的米象或玉米象的。