Biology:Megalopsidiinae

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Short description: Subfamily of beetles

Megalopsidiinae
File:Megalopinus caelatus 0157226 dorsal.tif
Megalopinus caelatus
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Megalopsidiinae

Leng, 1920

The Megalopsidiinae are a monogeneric subfamily of the Staphylinidae, which includes only the genus Megalopinus.[1] They have large eyes, antennae with distinct di- or trisegmented clubs. The tarsal formula is 5-5-5. They have unique elongated processes at the anterior margin of the labrum. They are found in decaying trees and fungus-infested logs.[2] Four species are found in North America: Megalopinus caelatus (Gravenhorst, 1802), Megalopinus punctatus (Erichson, 1840), Megalopinus rufipes (LeConte, 1863) and Megalopinus lingafelteri Mainda, 2023.

So far, 333 species are known from the entire New World.[3] From the Orientalis 74 (+ one fossil, Megalopinus extinctus Yamamoto & Solodovnikov, 2016, described from Burmese amber[4]) species are known.[5]

References

  1. Newton, A. F., Jr., M. K. Thayer, J. S. Ashe, and D. S. Chandler. 2001. 22. Staphylinidae Latreille, 1802. p. 272–418. In: R. H. Arnett, Jr., and M. C. Thomas (eds.). American beetles, Volume 1. CRC Press; Boca Raton, FL. ix + 443 p.
  2. Leschen & Newton. "Larval description, adult feeding behavior, and phylogenetic placement of Megalopinus (Coleoptera: Staphylinidae).". The Coleopterists Bulletin 57 (4): 469-493.. 
  3. Puthz, Volker. "Über die neuweltlichen Megalopinus-Arten (Coleoptera, Staphylinidae)". Linzer Biologische Beiträge 44 (1): 613-834. https://www.zobodat.at/pdf/LBB_0044_1_0613-0834.pdf. 
  4. "Fossilworks: Megalopinus extinctus". http://www.fossilworks.org/cgi-bin/bridge.pl?a=taxonInfo&taxon_no=332710. Retrieved 7 January 2019. 
  5. Mainda, Tobias. "Contribution to the knowledge of the genus Megalopinus Eichelbaum, 1915 in the Oriental region (Coleoptera: Staphylinidae)". Tropical Journal of Coleopterology 3 (1): 45-54. https://www.jtcoleop.com/submission_articles/Contribution%20to%20the%20knowledge%20of%20the%20genus%20Megalopinus%20Eichelbaum,%201915%20in%20the%20Oriental%20region%20(Coleoptera:%20Staphylinidae).pdf. 

External links

  • Megalopsidiinae at Bugguide.net. [1]

Wikidata ☰ Q17130804 entry