Whirligig beetles

Gyrinidae

Summary 2

The whirligig beetles are a family (Gyrinidae) of water beetles that usually swim on the surface of the water if undisturbed, though they swim underwater when threatened. They get their common name from their habit of swimming rapidly in circles when alarmed, and are also notable for their divided eyes which are believed to enable them to see both above and below water. The family includes some 700 extant species worldwide, in 15 genera, plus a...

Sources and Credits

  1. (c) hobiecat, some rights reserved (CC BY-NC), http://www.inaturalist.org/photos/488025
  2. (c) Wikipedia, some rights reserved (CC BY-SA), https://en.wikipedia.org/wiki/Gyrinidae

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