What are the characteristics of pine caterpillars?

"Insect" Dendrolimus punctatus is characterized by black hair of larvae and phosphorus brown or white of adults. The life characteristic of Dendrolimus punctatus is that Dendrolimus punctatus is a meteorologist. In the first month, Dendrolimus punctatus will be skinned for the second time. Although it is not as beautiful as before, it is very helpful to add an organ.

There are many small cracks in its body, and there are many "tumors" in the small cracks. If it rains the next day, they will hide in the nest on the first night, and if it is sunny the next day, they will still go out for food on the first night.

Occurrence regularity of Dendrolimus punctatus;

The occurrence areas of Dendrolimus punctatus can be generally divided into normal disaster areas, occasional disaster areas and no disaster areas. Often the disaster areas are mostly distributed in large areas of pure forest areas. Dendrolimus punctatus is a kind of disaster, which mostly occurs in hilly areas below 500 meters above sea level. Dendrolimus punctatus in Yunnan and Dendrolimus punctatus in Dechang are rampant in the mountainous area of 500 ~ 1000 meters. The affected area of Dendrolimus punctatus in Wenshan can be as high as 1200m.

Dendrolimus punctatus has a wide range of harm. In natural forest areas, the height of the disaster area can reach 2000 meters. In the natural ecological environment, several main Dendrolimus punctatus have the law of periodic rampant disasters.