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Backswimmers
Notonectoidea
Notonectidae is a cosmopolitan family of aquatic insects in the order Hemiptera, commonly called Backswimmers because they swim upside down. The Common Backswimmer, Notonecta glauca, is widespread in the United Kingdom, where it is known as the greater water boatman, and in Europe.
3 branches of this superfamily, most-observed first

Typical Backswimmers
familyNotonectidae

Pygmy Backswimmers
familyPleidae

Hemispherical Backswimmers
familyHelotrephidae
Where it lives
Recorded sightings
—
geo-referenced records in GBIF, from museums, herbaria and field observers.
Drag the globe to turn it. Dots are where records exist, not a range map; darker means more records.
In the stacks
Searching the stacks…
Every page naming Notonectoidea in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 56555.