Hydaticus vittatus

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Hydaticus vittatus
Scientific classification OOjs UI icon edit-ltr.svg
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Suborder: Adephaga
Family: Dytiscidae
Subfamily: Dytiscinae
Tribe: Hydaticini
Genus: Hydaticus
Species:
H. vittatus
Binomial name
Hydaticus vittatus
(Fabricius, 1775)
Synonyms
  • Dytiscus vittatusFabricius, 1775
  • Hydaticus vittatusAube, 1838
  • Graphoderus vittatusMotschulsky, 1856
  • Hydaticus vittatus vittatusRocchi, 1986
  • Prodaticus vittatusMiller et al. 2009
  • Hydaticus vittatus var. angustulusRegimbart, 1899
  • Hydaticus vittatus angustulusSato, 1961
  • Hydaticus vittatus ab. conjungensGuignot, 1954
  • Graphoderes vittatus lenziSchonfeldt, 1890
  • Hydaticus vittatus ab. lenziZimmermann, 1920
  • Hydaticus lenziSato, 1961
  • Hydaticus lenzi conjungensSato, 1961
  • Hydaticus lenzi nepalensisSato, 1961
  • Hydaticus lenzi nepalensis f. swaniSato, 1961
  • Hydaticus sesquivittatusFairmaire, 1880
  • Hydaticus leechiMukhopadhyay & 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]

Contents

Description

The beetle has a highly variable body shape characterized by geographic variations, with a typical body length ranging from 11.3 to 14.6 mm. The head is blackish, becoming variably yellow anteriorly. The pronotum is also black, but yellowish laterally. The elytra have two bright golden yellow longitudinal lateral stripes in the basal half. [2] Large black markings occur on the elytra and pronotum. The yellow stripes on the lateral sides of the pronotum are narrow. In males, the aedeagus in lateral view lacks a longitudinal ridge near the ventral margin in the apical third. [3] [4] The posterior margins of the first four segments of hind tarsi are transversely lined 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]

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References

  1. ↑ "INSECTA : COLEOPTERA : ADEPHAGA : FAM. HALIPLIDAE, GYRINIDAE, NOTERIDAE AND DYTISCIDAE". 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. 54 (3): 364–369. JSTOR   3893154 . 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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