Traditional Culture Encyclopedia - Weather forecast - How do mosquitoes survive in the cold winter?

How do mosquitoes survive in the cold winter?

The average life span of a mosquito is about one week, otherwise the world will be dominated by mosquitoes. 2. The temperature at which mosquitoes are active is better than 3 degrees. However, the temperature in winter in the south has not reached, so mosquitoes will be significantly reduced in winter. 3. Furthermore, due to the seasonal reasons, after a large number of mosquitoes appear in summer, they begin to lay eggs in the water, and a large number of mosquito eggs appear, and the life span of mosquitoes is not long, so adult mosquitoes will be green and yellow after their death, so there are fewer mosquitoes in winter. Mosquitoes have eggs in water in winter and become mosquitoes in summer. But there are still very few mosquitoes in winter, especially in the south.

In areas with four distinct seasons, mosquitoes will alternate breeding and wintering periods due to the influence of natural environmental factors. In winter, when the temperature is too low, mosquitoes stop breeding, and adult mosquitoes gather in warmer and more stable microclimate to hide, do not eat or move, and the metabolism of Xindong drops to the lowest level, which is called wintering. When the temperature gets warmer in early spring, the surviving adult mosquitoes begin to suck blood, lay eggs and reproduce. Mosquitoes overwinter in different ways, such as Culex pipiens pallens overwinters as adults, Anopheles minimus and Culex tritaeniorhynchus overwinters as larvae, and Aedes albopictus overwinters as eggs. During the wintering time, most mosquitoes died naturally, and only a few survived until the following spring. The wintering period is a period when the number of mosquitoes is the least and the life is the most fragile.

Mosquitoes need to overwinter in human settlements. There are many kinds of mosquitoes. It is reported that there are 42 kinds of mosquitoes in new york alone. At the same time, all mosquitoes need to hibernate, or more accurately, overwinter! Mosquitoes will die in large numbers when the weather cools down in autumn, especially when the temperature drops below 1 degrees Celsius, and only a few strong mosquitoes survive.

Mosquitoes are "adults overwintering", that is, adult mosquitoes spend the cold winter hiding in dark and humid places such as corners and basements. In early spring, they come out from various hiding places such as cracks in corners, bathe in warm sunshine, have a full meal of human and animal blood, and then start laying eggs.