Nymphs and females suck liquid juice on leaves and branches, often resulting in withered leaves or coal disease. In the south, the females laid eggs in large numbers in mid May and hatched in mid June. Male adults pupate and emerged in large numbers from late August to early September. This insect can be transported to other places along with the transfer of seedlings.
If a few plants are damaged, they can be scraped from the branches manually.
At ordinary times, it is necessary to do a good job of prevention, spray regularly 1500 times of 40% Omethoate emulsion, or 1500 times of 50% fenitrothion emulsion, with good effect.
This kind of insect is mainly harmful to flowers in winter. Its nymph sucks the juice of the root in the soil, and the adults are more harmful, often causing branches to die.
Pay attention to search and kill newly unearthed nymphs and newly emerged adults.
You can use incense to smoke the insects to death, make them fall, and then clean the insects. Incense is best done at night.
The family can also wash the dough out of sticky gluten and stick it on the branches, which can stick and catch adults.
This insect is also known as debt dodging insect, which is called "Hanging Ghost" by the people. It is harmful to many kinds of flowers. When this insect appears in the plant, it can be seen that the leaves are eaten into holes or notches by its larvae, and even all the leaves on the branches can be eaten up, leaving only the veins of the leaves, which is very harmful.
The protective bag of coir moth is obvious and can be removed at any time to eliminate its larvae. However, such pests rarely occur in potted plants.
In the middle of July, it was better to use 90% times of 1000 dichlorvos or 80% dichlorvos EC for 1500 times.
