Recently, in Heyang Wang Village Mr. Wang Hongde has please remind walnut growers and consult: walnut leaf pieces were eaten by "foreign spicy seeds", 5 days ago or "octagonal worm", these days have become "big adult worms", overnight leaves can be eaten into "light dry dry", after human contact, pain and itching for a few days are very uncomfortable, how to spray control on the tree? How to relieve the pain after stinging?
<h1>How to spray control on trees</h1>
The scientific name of the "sting hand worm" on the walnut tree is often said to be the yellow thorn moth, which has developed from a secondary pest to the main pest of walnut trees in recent years. From early July to late August, the peak of the occurrence of yellow thorn moth larvae, before the 3rd instar larvae clustered, eating the epidermis and leaf flesh of the leaf, not eating the upper epidermis, forming transparent round spots, the leaves are networked; at the age of 4, the leaves are porous, and the larvae above the 5th instar can eat the leaves, leaving only the leaf veins, and the leaves are mesh-shaped.
Pharmaceutical control: alternating leaf spray 50% rice abundance during the peak of the occurrence of young larvae 800 times + 70% acetamidine 4000 times, 40% chlorpyrifos 1000 times + 70% imidacloprid 4000 times.
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What to do after stinging?
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It is the larvae of the yellow thorn moth, in the process of management and picking, accidental contact with trees, it is easy to be stung, although there is no danger to life, the pain of the "fire and fire" is unbearable, and it is difficult to sleep at night when it is serious. Here are a few emergency treatments for you, which may be collected for emergency use:
1. Immediately after sting, glue the injured part with tape, and the fine hairs that pierce into the skin can be cleaned up. If there is sweat on the injured area, it needs to be dried with a paper towel before sticking. This is the most straightforward method.
2, the poison of foreign pepper is acidic. Alkaline surfaces and thick soapy water can be applied to the affected area to neutralize the acid. Usually the pain will be reduced in about ten minutes.
3. Chinese medicine laryngeal pills are crushed and water is applied to the affected area.
4. After being stung, you can use a stick to break through the body of the foreign spicy child, and you will find a green (or green) and black meridian. Take out one of the green (or green) strips and mash them, and apply them to the sting immediately. Don't touch the black one, this is where his venom is.
5, after being stung can be smeared on the affected area with some toothpaste, after smearing the toothpaste, the affected area will feel cool, about 5 minutes after the pain will be reduced, toothpaste quickly solidified, half an hour to an hour or so, the solidified toothpaste peeled off, you can bring out the stinger. (Author: Wei Lixin)