Cybister tripunctatus, is a species of predaceous diving beetle found in India, Andaman & Nicobar Islands, Sri Lanka, Afghanistan, Bangladesh, Myanmar, Nepal, Pakistan, Bhutan, China, Cyprus, Iran, Iraq, Japan, Kyrgyzstan, Mongolia, Russia, Syria, Tajikistan, Turkmenistan, Italy, Turkey, Uzbekistan and Europe.

[4] A carnivorous large beetle feeds on tadpoles, fish, and aquatic insects such as Culex spp., chironomids, and notonectid nymphs, damselfly larvae, Pantala flavescens.

[6] Subspecies lateralis characterized with typical length of 21 to 30 mm and not fringed with any ciliae of hind margins of the four basal metatarsal segments.

[9][10] Subspecies africanus known to live in retro-dune ponds, mouths and residual pools of small streams, preferably on muddy substrates.

[11] Subspecies asiaticus with following features: Head black, with greenish metallic iridescence.