How to distinguish the sex of silkworm moth?

Male and female silkworm moths can be distinguished by their posture, abdomen and external genitalia. Details are as follows:

1. From the perspective of posture, the female silkworm is large and crawling slowly; Male silkworms are small in size, fast in crawling and fast in wing vibration.

2. From the abdomen, there are four transparent points in the center of the ventral surface of the eighth and ninth section of female silkworm; There is a transparent point in the center of the ventral surface of the ninth section of the male silkworm.

3. From the external genitalia, there is a black bone plate near the mating hole of the female moth, and the male moth has a pair of claws.

4. In the state of silkworm chrysalis, it can be judged by the structure of the eighth and ninth abdominal segments. There is a straight line in the center of the ventral surface of the eighth and ninth abdominal nodes of the female pupa, and a pair of small protrusions in the center of the ventral surface of the male pupa.

The above is the way to distinguish between male and female silkworm moths, and I hope it will help you.