I don't know if you've ever seen a dragonfly skimming water. Sometimes a dragonfly flies on the water, its tail tip is close to the water, and it uses its tail tip to skim water bit by bit. This is what people often call 'dragonfly skimming water'. So why do dragonflies skim water? In fact, it's female dragonflies laying eggs.
Why do dragonflies need water? What are dragonflies doing?
Dragonflies usually lay their eggs in the pond by the river. After the eggs are laid out, the larvae hatch on the aquatic plants, which is called "water fly". The water fly has to crawl in the water for a long time. At least one year, at most seven or eight years to emerge into adult dragonflies.
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Why do dragonflies need water? What are dragonflies doing?
The water fly is a good pest killer. It feeds on the larvae of mosquitoes. The shape of the water fly is a bit like a spider, with a big stomach. When it emerged into an adult, it would climb up to the water plants and not eat or drink.
After eclosion into adults, the short and fat belly becomes more and more slender, and the wings that were originally folded together also unfold one by one, finally becoming a dragonfly like a small plane. It can be seen that 'dragonflies skimming water' is a natural part of dragonflies' life - spawning to reproduce.
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