Hydrovatus obtusus

Hydrovatus obtusus
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Suborder:	Adephaga
Superfamily:	Dytiscoidea
Family:	Dytiscidae
Genus:	Hydrovatus
Species:	H. obtusus
Binomial name
	Hydrovatus obtusus; Motschulsky, 1855
Synonyms
	Hydrovatus acutus Sharp, 1882;

Hydrovatus obtusus, is a species of predaceous diving beetle found in Sri Lanka, Indonesia, Laos, Malaysia, Thailand, Vietnam and possibly in India, Myanmar and China.[1][2][3]

The 4th to 6th antennal segments are enlarged. In male, stridulatory files consist of many minute discernable ridges. Male has antenna with unequally broad 4 to 11 segments.[4]

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 obtusus Motschulsky, 1855". www.gbif.org. Retrieved 2021-08-10.
"Aquatic Insects of Lakes in and around Hyderabad (Hempitera Coleoptera)" (PDF). Rec. zoo!. Surv. India, Gcc. Paper No. 350. Retrieved 2021-08-07.
"Hydrovatus Motschulsky with description of a new species (Coleoptera: Dytiscidae: Hydroporinae) from Southern India". semanticscholar. 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 obtusus Motschulsky, 1855". www.gbif.org. Retrieved 2021-08-10.

[3] "Aquatic Insects of Lakes in and around Hyderabad (Hempitera Coleoptera)" (PDF). Rec. zoo!. Surv. India, Gcc. Paper No. 350. Retrieved 2021-08-07.

[4] "Hydrovatus Motschulsky with description of a new species (Coleoptera: Dytiscidae: Hydroporinae) from Southern India". semanticscholar. Retrieved 2021-08-07.