Family Notonectidae. Elongate water bugs, with two prominent, narrow swimming legs. They swim with a jerky motion. Common insects in wetlands and slow river sections.
Identification guide for larvae: The Waterbug App. This is a very helpful guide for identifying aquatic insects, including backswimmers. The App is free, and available for iOS and Android devices.
Notonectidae (family) is listed in the following regions:
Canberra & Southern Tablelands | South Coast | Barwon South West
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