China Naming Network - Weather knowledge - What's the weather like when golden cicadas are unearthed the most?

What's the weather like when golden cicadas are unearthed the most?

Golden cicada is a favorite food, so when will it be unearthed? Golden cicada, the representative species of cicada. Adults are also called black grasshoppers, commonly known as cicadas, cicadas, cicadas and so on. The adult is nearly 5 cm long, with wings spread12,5 cm, all black and metallic luster on the back. The first and second abdominal sections of male worms are equipped with buzzers, while the female worms have no buzzers and hearing organs. Larvae is yellowish brown with winged buds and can crawl. Cicada usually completes a generation in 3-5 years. Their eggs and larvae overwinter in different ways and places.

The eggs of golden cicadas usually overwinter on the young branches of the same year or two. Larvae of different sizes are concentrated in the roots of plants in the soil for wintering. The overwintering eggs of golden cicada began to hatch in mid-May of the following year, and the hatching peak period was from late May to early June, and the hatching ended in late June. Eggs hatch more in the morning and less at night, and the egg period is close to 300 days. Overwintering underground larvae are affected by ground temperature and parasitic plant juice. When the temperature is higher than 10- 15℃, the sap starts to flow and these overwintering larvae start to suck.

So, when was the golden cicada generally unearthed? After the golden cicada completes the whole life course of larval stage in the soil, the mature larvae drill out of the ground from late May to mid-late August and crawl to the branches of shrubs and stems of weeds. , and fixed on the bark and branches with claws and thorns of forelimbs, molting and feathering into adults. The peak period of adult emergence is from mid-June to mid-July, and the last period is from 65438 to1early October. Adults mate and lay eggs 20 days after emergence, and begin to lay eggs in late June, with the peak spawning period from late June to late August, and the end spawning period from mid-September to 65438+1early October.

The adults of the unearthed golden cicada often live on the branches of trees and make a living by sucking the nutrient juice of the young branches of trees with piercing-sucking mouthparts. Adults can fly with wings and have the habit of putting out fires at night. After mating, the female lays her eggs on 1, a 2-year-old branch 2-7 cm thick. During the spawning period, females insert eggs into the xylem of branches first, and then lay eggs, while the branches are dried and dehydrated to death, which is harmful to trees.