What kind of yellow caterpillar is it?

The yellow caterpillar refers to the velvet moth. Cocoon bees, also known as apple moth, apple red-tailed moth and longitudinal moth, mostly grow in pure forests and mixed forests. This moth usually lays eggs in the middle and late April, and the eggs hatch in early May. Its larvae are mostly yellow-black, yellow-brown, surrounded by a lot of yellow hair, which looks like a yellow fluff from a distance. Lepidoptera is widely distributed in mountainous areas such as Hebei, Shaanxi, Heilongjiang, Jilin, Liaoning and Shandong.

Control method of velvet moth

1. Protect and utilize natural enemies, such as birds.

2. Choose insect-resistant varieties according to local conditions.

3. Strengthen cultivation management, enhance tree vigor and improve plant stress resistance. Create a mixed forest, clean up weeds and dead branches in time, and reduce insect sources.

4. Spraying 800~ 1000 times of 90% trichlorfon on the leaves at the peak of moth occurrence.

5. Drill holes to take medicine: drill 1~2 holes under DBH at the base of the trunk; DBH 6 ~ 10cm, drilling 3 holes; DBH11~19 cm, 3~4 boreholes; Drill 4-5 holes, DBH 20-30cm；; DBH 3 1cm or more, with more than 5 boreholes; The hole spacing is equal, the hole depth is 2 ~ 4cm, and 37% Ju invincible emulsifiable concentrate, 50% methamidophos or 40% omethoate are injected into the stock solution; 40% monocrotophos is injected 1: 1 aqueous solution for prevention and control, and 2-3ml is injected into each hole.