A method used for distinguishing between the sexes of Pieris rapae pupae
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Key Words：pieris rapae, pupae, sex, identification
Abstract：
Stereomicroscope was used to distinguish between male and female of Pieris rapae L. pupae rapidly and reliably. It showed that one longer suture existed between the genital pore on the 8th abdominal segment and the oviporus on the 9th abdominal segment of female pupae, and one shorter suture formed by genital pore on the 9th abdominal segment of male pupae.