Polycaon (beetle)

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

Polycaon stoutii

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]}

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}
  • Found in South America ^{[6] [7]}
• 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
  • Found in China ^[10]
• 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.

External links

• Media related to Polycaon at Wikimedia Commons