Beetles are the most diverse group of insects.
There are over 300,000 species known to science, and probably many tens of thousands more still unknown.
Beetles are found on land and in fresh water all over the world.
There are many types of beetles that can be found in ponds. Diving Beetles and Whirligig Beetles are two kinds.
Diving Beetles Diving beetles are insects. They have four stages in their life cycle: 1. egg 2. larva 3. pupa and 4. adult.
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Diving beetles live in ponds, lakes and slow-running streams. They eat tadpoles and fish. Fish, frogs and water spiders like to eat diving beetles. Diving beetles range in size from 1/16 of an inch to almost 2 inches long. Many of them are black or brown; some have markings. The adult beetles come to the surface of the water tail end up in order to get their air supply.
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