Hydaticus vittatus
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Dytiscidae
Subfamily: Dytiscinae
Tribe: Hydaticini
Genus: Hydaticus
Species:
H. vittatus
Binomial name
Hydaticus vittatus
(Fabricius, 1775)
Synonyms
  • Dytiscus vittatus Fabricius, 1775
  • Hydaticus vittatus Aube, 1838
  • Graphoderus vittatus Motschulsky, 1856
  • Hydaticus vittatus vittatus Rocchi, 1986
  • Prodaticus vittatus Miller et al. 2009
  • Hydaticus vittatus var. angustulus Regimbart, 1899
  • Hydaticus vittatus angustulus Sato, 1961
  • Hydaticus vittatus ab. conjungens Guignot, 1954
  • Graphoderes vittatus lenzi Schonfeldt, 1890
  • Hydaticus vittatus ab. lenzi Zimmermann, 1920
  • Hydaticus lenzi Sato, 1961
  • Hydaticus lenzi conjungens Sato, 1961
  • Hydaticus lenzi nepalensis Sato, 1961
  • Hydaticus lenzi nepalensis f. swani Sato, 1961
  • Hydaticus sesquivittatus Fairmaire, 1880
  • Hydaticus leechi Mukhopadhyay & Ghosh, 2003

Hydaticus vittatus, is a species of predaceous diving beetle found in India, Pakistan, Sri Lanka, Nepal, Bangladesh, Bhutan, Myanmar, China, Japan, Taiwan, Thailand, Cambodia, Laos, Vietnam, Malaysia and Indonesia.[1]

Description

Highly variable body shape characterized by geographic variations. Typical body length is about 11.3 to 14.6 mm. Head blackish where anteriorly variable to yellow. Pronotum also black, but with yellowish laterally. There are two bright golden yellow longitudinal lateral stripes in the basal half of elytra.[2] There are large black markings on elytra and pronotum. Yellow stripes at lateral sides of pronotum are narrow. In male, aedeagus in lateral view without a longitudinal ridge near ventral margin in apical third.[3][4] Posterior margins of first four segments of hind tarsi transversely with a coarse fringe of flat, adpressed, golden-yellow setae.[5]

Biology

Adults are inhabited in rain water pools, muddy buffalo wallows with grassy margins, fish ponds, small streams, puddles on roads, ditches in forests and artificial pools and paddy fields.[3]

Subspecies

Two subspecies identified.[6]

  • Hydaticus vittatus angustulus Régimbart, 1899
  • Hydaticus vittatus vittatus (Fabricius, 1775)

References

  1. ↑ "INSECTA : COLEOPTERA : ADEPHAGA : FAM. HALIPLIDAE, GYRINIDAE, NOTERIDAE AND DYTISCIDAE" (PDF). Zool. Surv. India Fauna of Uttar Pradesh, State Fauna Series, 22 (Part-2) : 461-474, 2015. Retrieved 2021-08-06.
  2. ↑ "INSECT: AQUATIC COLEOPTERA (FAMILY: GYRINIDAE, DYTISCIDAE AND HYDROPHILIDAE)" (PDF). Zool. Surv. India Fauna of KopiU Hydro Electric Project site, Wetland Ecosystem Series 8, 51-57, 2008. Retrieved 2021-08-06.
  3. 1 2 "Revision of the Asian and Australian/Pacific species of the Hydaticus (Prodaticus) vittatus and H. (P.) daemeli species groups (Coleoptera: Dytiscidae)" (PDF). Koleopterologische Rundschau 90 25–72 Wien, September 2020. Retrieved 2021-08-06.
  4. ↑ Crossland, Michael R. (1998). "Ontogenetic Variation in Toxicity of Tadpoles of the Introduced Toad Bufo marinus to Native Australian Aquatic Invertebrate Predators". Herpetologica. pp. 364–369. Retrieved 2021-08-08.
  5. ↑ "Freshwater Macroinvertebrates in Hong Kong". www.biosch.hku.hk. Retrieved 2021-08-08.
  6. ↑ "Hydaticus vittatus (Fabricius, 1775)". www.gbif.org. Retrieved 2021-08-08.


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