Horelophus

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Horelophus walkeri
COLE Hydrophilidae Horelophus walkeri.png
Scientific classification OOjs UI icon edit-ltr.svg
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Suborder: Polyphaga
Infraorder: Staphyliniformia
Family: Hydrophilidae
Genus: Horelophus
d'Orchymont, 1902
Species:
H. walkeri
Binomial name
Horelophus walkeri
d'Orchymont, 1913
Horelophus map.jpg
Observations on iNaturalist

Horelophus is a genus of beetles in the family Hydrophilidae, which was erected in 1913 by d'Orchymont and named for Commander J. J. Walker. [1] [2] It is monotypic as its sole species is Horelophus walkeri, endemic to New Zealand. [3] [4]

Distribution and Habitat

Horelophus walkeri is endemic to the northern South Island of New Zealand, from the districts of Marlborough, Nelson and Buller.

Although beetles in the family Hydrophilidae are considered as water scavenging beetles, Horelophus walkeri is not believed to be able to swim and is considered a terrestrial beetle. [5] Few specimens have been collected or observed, each were located on exposed, wet rocks along streams and waterfalls within the Pelorus River, Buller River and Motueka River catchments, where they feed on algae. [3] Individuals were also found hiding within rock crevices and moss. [3]

References

  1. ↑ Angus, R. B.; Sadílek, D.; Shaarawi, F.; Dollimore, H.; Liu, H-C.; Seidel, M.; Sýkora, V.; Fikáček, M. (2021). "Karyotypes of water scavenger beetles (Coleoptera: Hydrophilidae): new data and review of published records". Zoological Journal of the Linnean Society. 192 (3): 958–997. doi:10.1093/zoolinnean/zlaa105. ISSN   0024-4082.
  2. ↑ Broun, T. (1921). "Descriptions of new genera and species of Coleoptera". New Zealand Institute. 1 (5).
  3. 1 2 3 Fikacek, M.; Leschen, R. A. B.; Newton, A. F.; Gunter, N. (2012). "Horelophus walkeri rediscovered: adult morphology and notes on biology (Coleoptera: Hydrophilidae)" (PDF). Acta Entomologica Musei Nationalis Pragae. 52 (1): 129–146. ISSN   0374-1036.
  4. ↑ Hansen, M. (1997). "Synopsis of the endemic New Zealand genera of the beetle subfamily Sphaeridiinae (Coleoptera: Hydrophilidae)". Zoology. 24 (4): 351–370.
  5. ↑ Fikacek, M.; Gentili, E.; Short, A. E. Z. (2010). "Order Coleoptera, family Hydrophilidae" (PDF). Arthropod Fauna of the UAE. 3: 135–165.
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