Living habits of mantis

1. Hunting all kinds of insects and small animals can kill many pests in fields and forest areas, so it is beneficial. Cruel and aggressive personality, lack of food often leads to the phenomenon of swallowing small and female eating male. Individual species distributed in South America sometimes attack small animals such as birds, lizards or frogs. Mantis has protective color, and some are mimicry, which is similar to its environment, thus preying on a variety of pests.

2, mantis is a carnivorous insect, usually eating locusts, flies, mosquitoes, butterflies, moths and other pests, so it is a beneficial insect. Autumn is a good day for mantis to get married, but after mating, the female mantis often eats the male mantis because of hunger, so that she can lay full eggs and cultivate strong offspring. Each female mantis can produce 4-5 egg sheaths, most of which are attached to branches, bark or stones. The next summer, it hatched and molted for 3- 12 times and became an adult. Mantis's front feet are like a broadsword held high by thugs, so some people call it "knife mantis". Mantis's head is wide and narrow. Its neck and chest are thin and long, which can be compared with the giraffe's long neck. Mantis's neck can rotate freely back and forth, left and right, and it can make its head peep in any direction. A pair of sharp front feet, contracted in the chest.

Species of mantis:

1. Several common mantissas occur once a year in North China and East China 1 generation, and twice a year in a few areas south of the Yangtze River. Overwintering with eggs in the egg sheath. Eggs usually hatch in May and June. Incubation period: Generally, female nymphs are 7-8 years old and male nymphs are 6-7 years old. Adults began to appear in mid-August, and began to mate more than 10 days after emergence.

2. Generally, mantis adults begin to lay eggs in the first half of September and die in the last half of September. Individual adults can live until 10 ends and 1 10 begins. In the case of artificial reproduction, when the feed is sufficient, the time of mating and spawning can be appropriately advanced.

Hunting all kinds of insects and small animals can kill many pests in fields and forest areas, so it is beneficial. Cruel and aggressive personality, lack of food often leads to the phenomenon of swallowing small and female eating male. Individual species distributed in South America sometimes attack small animals such as birds, lizards or frogs. Mantis has protective color, and some are mimicry, which is similar to its environment, thus preying on a variety of pests.

4. Mantis belongs to Mantidae, a winged subclass of Insecta. It is a medium to large insect with a triangular head and can move freely. The leg joints and tibial joints of the forefoot are prickly, and the tibial joints are sickle-shaped and often fold to the leg joints to form the forefoot that can catch prey; The anterior wing cortex is covered with wings, lacking the anterior domain, the posterior wing is membranous, and the gluteal domain is developed into a fan, which folds on the back at rest; Abdominal hypertrophy. Except in extremely cold regions, it is widely distributed all over the world, especially in tropical regions.

5. There are about 1585 species known in the world. About 5 1 species is known in China. Among them, southern mantis, northern mantis, broad-axe mantis, Chinese mantis, European mantis and green-spotted mantis are important natural enemies of pests in agriculture, forests, fruit trees and ornamental plants in China. Mantis is very long, mostly green, but also brown or spotted. The compound eye was prominent, with 3 eyes in one eye. Chew the mouthparts, and the upper jaw is strong. Grasp the feet with the front feet, and the middle and rear feet are suitable for walking. Gradually pervert. Eggs are laid in egg sheaths, and there are 20 ~ 40 eggs in each egg sheath, arranged in 2 ~ 4 rows. Each female insect can produce 4 ~ 5 egg sheaths, which are hardened by foamy secretions and attached to branches, bark, walls and other objects. The newly hatched nymph is a "pre-nymph", and it will become an adult only after peeling for 3 ~ 12 times.

6. Generally 1 year 1 generation, some species parthenogenesis. Eating meat and hunting all kinds of insects and small animals can eliminate many pests in fields and forest areas, so it is beneficial. Sexual abuse and aggression, lack of food often lead to the phenomenon of swallowing snacks and females eating males. Individual species distributed in South America sometimes attack small animals such as birds, lizards or frogs. Mantis has protective color, and some are mimicry, which is similar to its environment, thus preying on a variety of pests. Because mantis's body color can be divided into green and brown, its growing environment is different. Most green mantis feed on green trees and plants, prey on small insects and so on, but they all live in protective colors.