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Hemispherical Backswimmers
Helotrephidae
Helotrephidae is a family of aquatic bugs found mainly in the tropical regions with many species in the Oriental Realm and a few from Africa, Madagascar and South America. These bugs are found swimming or walking between submerged vegetation mainly in stagnant or slow moving shaded freshwater in forest habitats. They are a sister group of the Pleidae.
4 branches of this family, most-observed first

Neotrephes
genusNeotrephes
Esakiella
genusEsakiella
Heterotrephes
genusHeterotrephes
Mixotrephes
genusMixotrephes
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 Helotrephidae 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 936871.