Some flower friends found their own moon branches, were chewed by insects, there is a large section of branches, the skin has been chewed out, I believe that there should be many flower friends have encountered this phenomenon, before the blue demon grafted Abel, is also gnawed by insects to break the branches, so what is the insect bite?
Worms that like to chew on the bark of trees
There are not many bugs that like to chew on the bark of trees, the most common is the tianniu.
The celestial bull is a general term for insects of the multi-eating suborder Tianniu family, and there are about 20,000 species of celestial cattle in the world, and they have a pair of very long antennae, and the length of the antennae usually exceeds the length of the body.
Tianniu is as big as a cow, strong flying ability, so it is called Tianniu, when the blue demon was small, living in the countryside, there was no toy at that time, adults will catch it every time they see it, give us children as toys, at that time, adults call it "Golden Ancient Cow", I believe that many of the 80s after the small partners, have played it.
The harm of the Celestial Bull
After entering the summer, the tianniu will gradually increase, you can not think that the tianniu is nibbling on the bark of the tree, in fact, the tianniu is really harmful, it is the harm of the larvae to the tree.
In fact, the celestial cow flies on the bark, not to eat, but to lay eggs. The way tianniu spawns is related to the form of the mouth organ. If it is an adult anterior mouthpiece, it will lay eggs in rough bark crevices, or crevices, as long as it harms some large trees that have grown for many years.
The adult tianniu of the lower mouthpiece will nibble out the groove on the branch or trunk before laying eggs, and then lay the eggs in the groove. In this way, the act of nibbling on the bark of the tree is actually prepared for egg laying.
The prevention and control method of Tianniu
Tianniu is not like an aphid, which has been staying on the monthly plant, so to prevent and control the harm of Tianniu, it is necessary to adhere to regular spraying. Drugs that can be used with high-potency cypermethrin, or thiazia perchlorofluoride, have a good effect.
Blue demon last week is the use of thiameth hyperchlorinated fluoride, after 3 consecutive days after the drug found the dead tianniu, as well as scarab beetle, but once the drug, the duration of the drug is limited, it is recommended to spray again after half a month, continue to prevent and control, the effect is better.
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Some flower friends asked if Tianniu could use the sticky worm board, the sticky worm board did not seem to have any power on the Tianniu, but the Tianniu had phototropism, but it could use light to booby trap.
If you have found adult beetles or scarab beetles in your garden, be sure to spray in time to kill the adults and prevent the larvae from causing fatal damage to the moon season after spawning.
This article is the original sharing of the Blue Demon Garden. In my public name: Blue Demon Garden (ilanyao), a collection of thousands of flower raising experience articles are collected to help you less flower pits!