Hydrovatus sinister explained

Hydrovatus sinister, is a species of predaceous diving beetle found in India, Myanmar, Sri Lanka, Sumatra, Thailand, Laos, Singapore and Malaysia.^{[1] [2] [3]}

The beetle is commonly inhabited in shallow, muddy water of open swamps, artificial ponds such as garden ponds, park ponds, quarry ponds, and slowly flowing irrigation ditches. The area is rich in rotten leaves, sedges and submerged plants.^[4]

Notes and References

1. Web site: Catalogue of the diving beetles of India and adjacent countries (Coleoptera: Dytiscidae) . 2021-08-07 . Skörvnöpparn, Umeå Supplement 3, 2012: 1-77.
2. Web site: Hydrovatus sinister Sharp, 1890 . 2021-08-10 . www.gbif.org . en.
3. Web site: Insecta: Coleoptera . 2021-08-07 . researchgate.net.
4. Web site: Diving beetles of the Sakaerat Biosphere Reserve, Nakhon Ratchasima Province, with four new records for Thailand (Coleoptera: Dytiscidae) . 2021-08-07 . Spixiana 41(1):91-98.