''Hydroglyphus flammulatus'', is a species of

predaceous diving beetle The Dytiscidae, from the Ancient Greek word δυτικός (''dystikos''), meaning "able to dive", are the predaceous diving beetles, a family of water beetles. They occur in virtually any freshwater habitat around the world, but a few species li ...

found in India, Sri Lanka, Pakistan, Thailand, Cambodia, China, Taiwan, Korea, Myanmar, Bangladesh, Indonesia, Vietnam, and Nepal.

Description

Typical length is about 2.4 mm. Fourth segment of the protarsi and mesotarsi are much reduced, and hardly visible. Prosternal process is arched and oblique. Latero-basal plica on pronotum not continued on elytra. Scutellum is not visible. The sutural striae in elytra are complete but less distinctly carved. Elytral striae and a transverse groove behind the eyes are missing.

References

Dytiscidae Insects of Sri Lanka Insects described in 1882 {{Dytiscidae-stub