''Hydaticus incertus'', is a species of

predaceous diving beetle The Dytiscidae – based on the Greek ''dytikos'' (δυτικός), "able to dive" – are the predaceous diving beetles, a Family (biology), family of water beetles. They occur in virtually any freshwater habitat around the world, but a ...

found in India, Bhutan, Myanmar, Nepal, Sri Lanka, China, Malaysia, and Thailand.

References

Dytiscidae Insects of Sri Lanka Insects described in 1888 {{Dytiscidae-stub