How to raise hemp bugs, what are hemp bugs most afraid of

It also eats apples, dates, and sand fruits.

Prunus, hawthorn, plum, peach, apricot, pomegranate, persimmon, begonia, chestnut, longan, citrus, poplar, willow, elm and other forest plants suck the juice of branches, stems, leaves and fruits. And the landlord, what are you raising that for?

Insecticide.

The hemiptera bug belongs to the order Hemiptera, an insect of the family Bugs. It is distributed in Inner Mongolia, Liaoning, Shaanxi, Sichuan, Yunnan, Guangdong, Hainan, coastal areas and Taiwan, and the density is higher south of the Yellow River; The hosts include apples, jujubes, sand fruits, plums, hawthorns, plums, peaches, apricots, pomegranates, persimmons, begonias, chestnuts, longans, citrus, poplars, willows, elms, etc. and forest plants. Thorns suck the juice of branches, stems, leaves and fruits, and dry branches appear on the branches; Yellow-brown spots appear on stems and leaves, and the leaves fall off in advance in severe cases; After the fruit is damaged, there is a deformity or lion's mane fruit, and the damaged part is often corked, which loses its edible value, and has a great loss of yield and quality.

Life history and habits.

This insect occurs in Hebei and Shanxi in 1 year, and in Jiangxi 2 generations, all of which overwinter under the dead branches and leaves of adult insects, in grass, bark cracks, terraced weir dam cracks, and fence cracks. The next spring, the host begins to sting after germination. Shanxi Taigu began to lay eggs in mid and late May, and the peak of oviposition was in early June, when nymphs could be seen, and they emerged into adults in July and August.

According to a report from Nanchang, Jiangxi: overwintering adults begin to appear in late March, lay eggs from late April to mid-July, and the first generation nymphs hatch from early May to late July, and emerge from late June to mid-August; The second generation hatches from late July to early September and emerges from late August to mid-October. All of them are harmful to the late autumn and overwinter.

Adults have strong flying ability, like the upper part of the tree habitat hazards, and mate mostly in the morning, up to about 3 hours. It has suspended animation, and will spray odorous liquid (its composition: 2-soluble cyclohexene barbital (2-hexenal), 2-octe-nal, 2-cyenoyl (2 decenal), etc.

However, in the morning and evening, the low temperature often fakes death and falls to the ground, and when the noon heat is high, it escapes.

There is weak phototaxis and clustering, the first instar nymphs often cluster the leaf dorsal age before scattering activities, and the eggs are mostly laid in the leaf back, each piece is about 12 grains.

The hemp bug is poisonous and can cause inflammation. The stinky fart and urine of the hemp bug contain an ingredient called "bed worm acid", which is toxic, so the "stinky fart" sprayed into the eyes will make people's eyes swell, and the "stinky urine" will cause stinging, blistering, and molting. It can also cause local itching, pigmentation, lesions and other phenomena.

If you are accidentally stung, you must not scratch, the more you scratch the redness and swelling range, the more painful and unbearable, it is best to bring some adhesive tape, stick it on the wound and then remove it, stick off the poisonous hair on the **, in order to reduce the damage, pay attention to keep the local ** hygienic and clean, rinse with warm water, rinse locally apply some chlorpheniramine ointment, can play a role in the effect of itching, usually light diet, spicy, fried and other foods to avoid, eat more vitamin-rich food, generally after a few days will subside.

The hemp bug is also known as the yellow-spotted bug, the hemp bug, the folk commonly known as the stinky sister, the stink bug, etc., in most of the apple cultivation areas in our country have different degrees of occurrence, and its feeding habits are very mixed, can harm the host is very much, in addition to harming apples, can also harm peach, plum, pear, cherry and other fruit trees.

The hemp bug, also known as the yellow-spotted black bug, is the most common and well-known bug insect in the north and south of the great river in China.

In fact, many insects in the order Hemiptera and Heteroptera have the nickname "stink bug", but the hemiptera bug is the most well-known of all the stink bugs. When I was a child, the stinky sister who came in the house did not dare to use a fly swatter to fight, but chose to use insecticides or mops to kill them.

In fact, if you don't touch it, the bug will not have a peculiar smell, but once it encounters danger, the stinky glands in the bug's body will secrete an unforgettable odor, and it needs to be cleaned for a long time when it gets on your hands.

The bugs may enter the room because of the low light in the room at night, which attracts the bugs with weak photogenesis. It is also possible that the residence is close to a park, or the vegetation in the vicinity is so dense that the bugs are indoors. It is also possible that the greenery on the balcony of the residence attracts the hemp bugs.

The hemp bug is also known as the yellow spotted bug and the stink bug, which has the ability to feign death, sprays odorous liquid when disturbed, often fakes death and falls to the ground at low temperatures in the morning and evening, and escapes when the pants are noisy and the afternoon high temperature is carried by the pants.

Adults have strong flying power, like to inhabit the upper part of the tree, and suck the host leaves, tender shoots, etc., resulting in the discoloration of the leaf veins above the suction point, and the color of the mesophyll of Hufu is darkened.

Harm apples, jujubes, sand fruits, plums, hawthorns, plums, peaches, apricots, pomegranates, persimmons, begonias, chestnuts, longans, citrus, poplars, willows, elms, etc. and forest plants.

There are three ways to get rid of the hemp bug when it enters the room due to dampness:

1. Removal of egg masses and hatching cluster larvae.

2. Adults will hibernate in winter, and can be manually captured, or removed from dead branches and fallen leaves and weeds, and burned in a centralized manner, which can eliminate overwintering adults.

3. 6 imidacloprid emulsifiable concentrate can be sprayed, mixed with water to 3000 times to 4000 times of liquid; or 50 phosphine milk oil, mixed with water to 800 times the liquid; or deltamethrin emulsifiable concentrate, mixed with water to 3000 times liquid; or kung fu emulsifiable concentrate, mixed with water to 3000 times the liquid.