Hydrovatus subtilis explained

Hydrovatus subtilis, is a species of predaceous diving beetle found in India, Andaman & Nicobar Islands, Sri Lanka, Indonesia, Japan, Laos, Malaysia, and Thailand.[1] [2] [3] [4]

Body larger with a typical length of about 2.4 to 2.8 mm. Male antenna with joints 7 to 8 broader than adjacent joints. Head between eyes is not margined. Male with stridulation apparatus on metacoxal plates along suture close to metathorax.[5]

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 subtilis Sharp, 1882 . 2021-08-10 . www.gbif.org . en.
  3. Taxonomy of Korean Hydrovatus Motschulsky (Coleoptera: Dytiscidae) . 2021-08-07 . Korean Journal of Applied Entomology. 2016 . 10.5656/KSAE.2016.08.0.040 . Lee . Dae-Hyun . Ahn . Kee-Jeong . 343–346 .
  4. Web site: A Distributional Review of the Genus Hydrovatus (Coleoptera: Dytiscidae) from the Ryukyus, Southwestern Japan . 2021-08-07 . Japanese Journal of Systematic Entomology, 26 (1): 111–118. June 30, 2020..
  5. Web site: A New Species of the Genus Hydrovatus (Coleoptera, Dytiscidae) from Iriomote Island, Southwestern Japan, with a Key to the Japanese Species . 2021-08-07 . Elytra, Tokyo, New Series, 7 (1): 5–13.

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