Tenebrio can grow and reproduce all year round. The birth cycle of the egg-larvae-paralysis until the emergence of adults is about 100 days. Tenebrio species length and length, due to the cold and heat of the temperature to extend and shorten. Three to five days after the emergence of adult eclosion, copulation began, and the peak period of egg lay was within one or two months after copulation. Each female lays 280 to 369 eggs, an average of 304 eggs. The mating time is from 8 pm to 2 am. Eggs are laid on the feed. The eggs are milky white, oval-shaped, about 1 mm long, and the temperature is 25-27°C. Larvae can be hatched in 3 to 5 days. 13.5 ~ 23 °C, need to go through 22 to 24 days. Adults swallow their own eggs when they are short of food. How to Prevent Pests and Diseases (1) Mites: Mites are harmful to Tenebrio. They cause slender bodies, slow growth, low hatching rates, and reduced fertility. It usually occurs in July-September, when the temperature is too high, the temperature of the feed is large, and there is a time when it is in the feed. Prevention methods: prevent feed from licking, and conditional can sterilize bran and bran in water for 20 minutes. Usually keep indoor air circulation and reduce humidity. Especially when the humidity is too high on summer rainy days, try not to throw or cast too much wet green material. When you find the quail, take the feed to the sun for 10 minutes in time. (2) Bacterial disease: After the illness, the head and tail of the mealworms dry up, and finally the body withered and died. Control methods: In the dry and hot season, timely put green materials or sprinkle water on the ground to cool down. (3) Soft rot: The insects and insects are sluggish, the faeces are thin, and the diseased bodies become black and soft and eventually die. This disease is mostly caused by the mildew season. The indoor air is wet, the feed is too wet, and the stocking density is too high or the body is injured. Control methods: The soft parasite was found out in time, the residual food was removed, green feed was stopped, and the indoor humidity was adjusted. 0.25 g of chloramphenicol or chlortetracycline mixed with 250 g of wheat bran were fed. Ants and mice are the enemies of Tenebrio, and they should always be wiped out.
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