Hydrovatus subtilis

Hydrovatus subtilis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Adephaga
Superfamily:	Dytiscoidea
Family:	Dytiscidae
Genus:	Hydrovatus
Species:	H. subtilis
Binomial name
	Hydrovatus subtilis; Sharp, 1882
Synonyms
	Hydrovatus adachii Kamiya, 1932;

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]

References

"Catalogue of the diving beetles of India and adjacent countries (Coleoptera: Dytiscidae)" (PDF). Skörvnöpparn, Umeå Supplement 3, 2012: 1-77. Retrieved 2021-08-07.
"Hydrovatus subtilis Sharp, 1882". www.gbif.org. Retrieved 2021-08-10.
"Taxonomy of Korean Hydrovatus Motschulsky (Coleoptera: Dytiscidae)". Korean journal of applied entomology, 2016. Retrieved 2021-08-07.
"A Distributional Review of the Genus Hydrovatus (Coleoptera: Dytiscidae) from the Ryukyus, Southwestern Japan" (PDF). Japanese Journal of Systematic Entomology, 26 (1): 111–118. June 30, 2020. Retrieved 2021-08-07.
"A New Species of the Genus Hydrovatus (Coleoptera, Dytiscidae) from Iriomote Island, Southwestern Japan, with a Key to the Japanese Species". Elytra, Tokyo, New Series, 7 (1): 5–13. Retrieved 2021-08-07.

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[1] "Catalogue of the diving beetles of India and adjacent countries (Coleoptera: Dytiscidae)" (PDF). Skörvnöpparn, Umeå Supplement 3, 2012: 1-77. Retrieved 2021-08-07.

[2] "Hydrovatus subtilis Sharp, 1882". www.gbif.org. Retrieved 2021-08-10.

[3] "Taxonomy of Korean Hydrovatus Motschulsky (Coleoptera: Dytiscidae)". Korean journal of applied entomology, 2016. Retrieved 2021-08-07.

[4] "A Distributional Review of the Genus Hydrovatus (Coleoptera: Dytiscidae) from the Ryukyus, Southwestern Japan" (PDF). Japanese Journal of Systematic Entomology, 26 (1): 111–118. June 30, 2020. Retrieved 2021-08-07.

[5] "A New Species of the Genus Hydrovatus (Coleoptera, Dytiscidae) from Iriomote Island, Southwestern Japan, with a Key to the Japanese Species". Elytra, Tokyo, New Series, 7 (1): 5–13. Retrieved 2021-08-07.