How to control hemp bugs? How to get rid of the smell of hemp bugs

1) Agricultural control.

In late autumn, weeds should be removed and treated properly to reduce the source of overwintering insects.

2) Artificial physical control.

Adults and nymphs are the pest period, and they are manually killed after shaking in the early morning. Adult eggs are removed at peak oviposition.

3) Chemical control.

In the young instar stage of nymphs, 1000 2000 times of 3% acetamiprid EC, or 3000 3500 times of 10% cypermethrin EC and 800 1000 times of chlorpyrifos EC can be used for spray control.

For the culture soil with unsuitable pH, the following measures can be used to adjust. If the acidity is too high, a small amount of lime powder can be added to the potting soil; If the alkalinity is too high, a small amount of sulfur powder can be added to the potting soil.

Hemp bugsThe smell needs to be cleaned with soap, and it needs to be cleaned for a long time.

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.

Stinky old ghosts, etc., no matter what nickname highlights a stinky word. Actually Hemiptera.

Many insects in the heteroptera have the nickname "stinkbug", but the hemp bug is the most well-known of all the bugs.

When I was a child, the stinky eldest 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.

Bugs related:

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 are apples, dates, and sand fruits.

Plum, hawthorn, plum, peach, apricot, pomegranate, persimmon, begonia, chestnut, longan, citrus, poplar, willow, elm and other 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.

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 presence of hemp bugs in the home is caused by unclean and damp homes. If there are hemp bugs at home, you can use 1 gram of 3% acetamiprid emulsifiable concentrate mixed with 1000 ml of water in the young instar of nymphs, pour it into a sprayer, close the doors and windows, and spray the home with a sprayer, and open the window for ventilation for 2 hours.

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 the ability to fake death, and will spray odorous liquid when disturbed. 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.