A, cocoon pupa raising method
Cocoon pupa does not need extra processing, the general cocoon pupa are spit fixed, this time do not arbitrarily cut open, just need to wait quietly for 14 days or so, the cocoon pupa will climb out of the mating and egg laying.
Two, cocoon pupae need to feed
Cocoon pupae do not need to feed, the female pupa cocoon will emit odor through the tail to lure the male moths to cross the tail, the male pupa in the tail that is the death of mating, the female pupa mating will be selected after the ground to produce about 500 eggs after slowly dying.
Expanded:
Cocoon pupa, oval, single weight 8~10 grams, body color yellow between black, rich in protein, not only people love to eat, but also fish dream of delicious food. Quercus cocoon pupa market price is generally 30 yuan a catty, online shopping or go to the market are very convenient to buy.
Cocoon pupa tough outer skin, small fish mouth small, can not be swallowed into the mouth, but also difficult to tear outside the mouth, cocoon pupa through the hook is the method of hook tip from the quassia pupa tail hook into the abdomen from the abdomen, can not hurt the head, hook pupa into the water fishing, should ensure that the pupa body wriggling active, teasing carp, chub, grass, green, mandarin and other big fish ingestion.
Silkworms spit silk silkworms on the nest cocoon after about 4 days, will become chrysalis. The pupa's body shape is like a spinning whip, divided into the head, chest, abdomen, three body segments. The head is very small, long compound eyes and antennae; chest long thoracic feet and wings; bulging abdomen with 9 body segments. Professional workers are able to distinguish between male and female from the lines and brown dots on the abdomen of the silkworm pupa.
When the silkworm first pupates, the body color is yellowish, and the pupal body is tender and soft, which gradually turns into yellow, yellowish brown or brown, and the pupal skin is hardened. After about 12 to 15 days, when the pupal body begins to soften again, the pupal skin is a little wrinkled and the color of the earth brown cocoon, it will become a moth.