Castor silkworm (eri-silkworm)

is a completely perverted silk insect with no hysteresis polymorphism, scaly fins, and a large silkworm, known as Attacaus Cynthia ricini Boisduval, and is named for its staple ricin leaves.castor silkworm a generation through the egg, larvae, larvae, larvae 4 stages of development. The length of generation varies with season, region, feed, etc. In China, the average summer and autumn after a generation of 45-50 days, winter and spring after 55-60 days, the northern provinces of China through the winter period, a generation can be up to 180 days or so.eggs: oval, about 2.5mm long, about 1.9mm wide, about 500-600 eggs per g. The egg color is related to the blood color of the silkworm, the yellow blood line egg is pale yellow, and the white blood line egg is pale green. The eggshell is made up of hard eggshells, which are glial and easy to stick to each other.larvae: 4 sleep 5 years old. The worm body is divided into 3 parts, chest and abdomen. The outer skin of the head hardens to form a head shell with 6 pairs of single eyes on both sides of the head shell. Generally female silkworms have larger bodies than male silkworms.: At the beginning of the chemicalization, the color is pale yellow, the back is slightly deeper. After 3 days, it gradually turns dark brown. The radon is ± 20 days in an environment of 25 degrees 2 degrees C, and the relative humidity is 75-90%.worms ): Generally in the morning began to feather, first from the middle chest back plate at the central vertical line of the crucifida, after about 2 minutes, the front chest and the middle chest junction across, slowly extending the head and chest and abdomen. The 40-minute feathering process takes longer for the male.