Polycaon (beetle)

Polycaon is a genus of horned powder-post beetles in the family Bostrichidae. There are at least four described species in Polycaon.[1][2][3][4]

Polycaon
Polycaon chilensis
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Bostrichidae
Subfamily: Polycaoninae
Genus: Polycaon
Laporte, 1836
Polycaon stoutii

Description

Beetles in this genus are 10.5-25.5 mm long with flattened bodies. The head is visible from above, instead of being hidden under a hoodlike pronotum like in some other bostrichids. The sides of the pronotum are convex. The tibia of each foreleg has a large, curved spine at its apex and has two terminal spurs inside.[5]

Species

These species belong to the genus Polycaon:

  • Polycaon chilensis (Erichson, 1834) i c g
  • Polycaon granulatus (Van Dyke, 1923) i c g
    • Found in North America[8]
  • Polycaon punctatus (LeConte, 1866) i c g
    • Found in Central America[9]
  • Polycaon sinensis Liu & Beaver, 2023
  • Polycaon stoutii (LeConte, 1853) i c g b - black polycaon
    • Found in western North America[11]

Data sources: i = ITIS,[1] c = Catalogue of Life,[2] g = GBIF,[3] b = Bugguide.net[4]

References
  1. "Polycaon Report". Integrated Taxonomic Information System. Retrieved 2018-04-28.
  2. "Browse Polycaon". Catalogue of Life. Retrieved 2018-04-28.
  3. "Polycaon". GBIF. Retrieved 2018-04-28.
  4. "Polycaon Genus Information". BugGuide.net. Retrieved 2018-04-28.
  5. McCaffrey, S. (August 24, 2021). "Polycaon stoutii (LeConte, 1853)". PaDIL. Retrieved January 6, 2023.
  6. Háva, Jiří; Chaboo, Caroline S. (2015). "Beetles (Coleoptera) of Peru: A Survey of the Families. Nosodendridae Erichson, 1846 (Derodontoidea), Dermestidae Latreille, 1804, Bostrichidae Latreille, 1802 (Bostrichoidea)". Journal of the Kansas Entomological Society. 88 (3): 404–407. ISSN 0022-8567.
  7. "ITIS - Report: Polycaon chilensis". www.itis.gov. Retrieved 2022-09-05.
  8. "ITIS - Report: Polycaon granulatus". www.itis.gov. Retrieved 2022-09-05.
  9. "ITIS - Report: Polycaon punctatus". www.itis.gov. Retrieved 2022-09-05.
  10. Liu, Lan-Yu; Beaver, Roger A. (2023-07-10). "The first Asian species of Polycaon Castelnau, and a new montane species of Melalgus Dejean from China (Coleoptera: Bostrichidae: Polycaoninae)". Zootaxa. 5315 (3): 271–281. doi:10.11646/zootaxa.5315.3.5. ISSN 1175-5334.
  11. "Species Polycaon stoutii - Black Polycaon". bugguide.net. Retrieved 2022-09-05.

Identification

Key to North American species

Further reading
  • Borowski, Jerzy; Wegrzynowicz, Piotr (2007). World Catalogue of Bostrichidae (Coleoptera). Wydawnictwo Mantis. ISBN 9788392618218.
  • Lobl, I.; Smetana, A., eds. (2007). Catalogue of Palaearctic Coleoptera, Volume 4: Elateroidea - Derodontoidea - Bostrichoidea - Lymexyloidea - Cleroidea - Cucujoidea. Apollo Books. ISBN 978-8788757675.
  • Arango, Rachel A.; Young, Daniel K. (2012). Death-watch and spider beetles of Wisconsin (Coleoptera: Ptinidae) (PDF). General Technical Report. Vol. FPL–GTR–209. U. S. Department of Agriculture, Forest Service.
  • Media related to Polycaon at Wikimedia Commons
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