Hydrovatus seminarius

Hydrovatus seminarius
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Coleoptera
Family:	Dytiscidae
Genus:	Hydrovatus
Species:	H. seminarius
Binomial name
	Hydrovatus seminarius; Motschulsky, 1859
Synonyms
	Hydrovatus fusculus Sharp, 1882; Hydrovatus matsuii Nakane, 1990; Hydrovatus tinctus Sharp, 1882; Hydrovatus (Vathydrus) fusculus Sharp, 1882;

Hydrovatus seminarius, is a species of predaceous diving beetle found in India, Bangladesh, Bhutan, Myanmar, Nepal, Pakistan, Sri Lanka, China, Indonesia, Japan, Laos, Malaysia, Taiwan, Thailand, Vietnam and Australian region.^[1]^[2]

This large species has a typical length of about 2.4 to 2.8 mm.^[3] Head between eyes narrowly margined. In male genitalia, the apical part of penis is evenly curved ventrally. Male stridulation apparatus on metacoxal plates along suture close to metathorax.^[4]^[5]

References

^ "Catalogue of the diving beetles of India and adjacent countries (Coleoptera: Dytiscidae)". Skörvnöpparn, Umeå Supplement 3, 2012: 1-77. Retrieved 2021-08-07.
^ "Hydrovatus seminarius Motschulsky, 1859". www.gbif.org. Retrieved 2021-08-10.
^ "Hydrovatus seminarius". www.kaefer-der-welt.de. Retrieved 2021-08-10.
^ "A New Species of the Genus Hydrovatus (Coleoptera, Dytiscidae) from Iriomote Island, Southwestern Japan, with a Key to the Japanese Species". researchgate. Retrieved 2021-08-07.
^ "A Distributional Review of the Genus Hydrovatus (Coleoptera: Dytiscidae) from the Ryukyus, Southwestern Japan". Japanese Journal of Systematic Entomology, 26 (1): 111–118. June 30, 2020. Retrieved 2021-08-07.

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

[2] "Hydrovatus seminarius Motschulsky, 1859". www.gbif.org. Retrieved 2021-08-10.

[3] "Hydrovatus seminarius". www.kaefer-der-welt.de. Retrieved 2021-08-10.

[4] "A New Species of the Genus Hydrovatus (Coleoptera, Dytiscidae) from Iriomote Island, Southwestern Japan, with a Key to the Japanese Species". researchgate. Retrieved 2021-08-07.

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

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