In the ancients, cicadas were known to eat wind and drink dew, be aloof and arrogant, pure and elegant, and could also access the spiritual world. However, is this actually the case? Come and take a tour of cicada’s life with me now.
After the cicada eggs hatch into larvae in the second spring, they burrow into the soil and begin a long "hell" life. The old saying goes, "A cricket doesn't know the Spring and Autumn Period", but it actually lacks scientific basis. The life of a cicada has a cycle. When the time comes, it will emerge from the soil and enjoy the happiness of the world.
The life cycle of a cicada is 1 year, 4 years, 12 years, 13 years, 17 years, etc. This varies depending on the region and species. For example, the cicada in North America is 17 years old, and the cicada in South America is 17 years old. But it is a 13-year-old cicada. The reason is probably to prevent the populations from annexing and killing each other.
The cicada has been facing the wall for many years. It seems that it has understood the meaning of Zen. However, no, it lives on the sap of tree roots and built its own house and passage in the soil. It is ready to return to the tree at any time, like Their parents soar in the sky and sound in the universe.
After a heavy rain in summer, when the sun touches the moist soil, the cicada monkey will walk to the door of his house to watch and listen carefully. When he thinks the time is right, he will break out of the ground. , feel the joys and sorrows of the world. Perhaps in the eyes of cicadas, it is not the "human world", but the "cicada world". The appearance of cicadas is the appearance of sounds. The sound of cicadas is the sound of trees. The sound of trees is overwhelming, and suddenly the cicadas rule with their own voices. of the earth.
As soon as the cicada monkey lands on the ground, it immediately finds a shelter and then arranges its own emergence time. It needs to shed its skin and transform into a cicada. This is the last growth process in its life. When it is finished, he will be an adult cicada, equipped with all body functions, and can perform his duties for himself and for future generations.
People say that the cicada’s cry is: Zhi——Liao——. But I always hear the cry of cicadas like this: thorn - thorn -. Yes, the cicada is waving its voice and stinging. The days of endless darkness and pain have finally passed. During this period, how much bitterness has been experienced and how many tears have flowed, but no one pities and no one cares. Now with Since your efforts have finally yielded little success, why don't you stab the indifferent onlookers?
Being a cicada with peace of mind, no one will take care of you, and you will only be abandoned; when you come out to sing, a hundred responses will be heard, shocking the world, but you can still pretend to be crazy and cover up your cover? Singing out the sound is the last stab the cicada can bear. For this stab, he prepared to die.
Life belongs to the cicada only once, but it finally chose to devote its entire life to the greatest cause in the world - fighting to speak. In the middle of the year, the number of nymphs in the soil is the largest in May. This is when a large number of overwintering eggs hatch and enter the soil, and it is also the period when the last instar nymphs are about to emerge from the soil and molt into adults. After completing the entire life process of nymphs in the soil, mature nymphs emerge from the soil from May to August, crawl to shrub branches, weed stems, etc., and fix themselves on the bark branches and leaves with their claws and thorns on their front feet. Molt out and emerge as adults.
June is the peak period of adult emergence, and October is the last period. Adults mate and lay eggs about 20 days after emergence. July-August is the peak egg-laying period of adults, October is the end of egg-laying, and the final emergence period of adults is November. Adults mostly emerge between 20:00 and 22:00 at night and between 4:00 and 6:00 in the morning, and the male to female ratio basically maintains a 1:1 ratio. The lifespan of adult insects is 45 to 60 days. The ratio of males and females in this insect is very unbalanced at different stages. In the early stage of emergence, there are 6 to 7 times more males than females. However, in the peak stage of emergence, the number of males and females tends to be equal. At the end of emergence, the number of males and females becomes equal. There are more females than males, and there are 6 to 7 times more females than males.
After the male and female mate, the female cicada lays her eggs in the branches of the plant, causing the branches to die. The eggs hatch in dead branches and fall into the soil between June and July of the following year. They live underground for 3 to 4 years and molt once every year between June and September.
The depth of larvae underground is generally between 2 and 30 centimeters or deeper. Young nymphs are mostly attached to lateral roots or fibrous roots, while older larvae are mostly attached to thicker roots.
When the larvae live underground, there is a small ventilation hole the size of a rice grain left on the ground, and the larvae live in it.