Rhadine caudata

Rhadine caudata is a species of beetle native to the eastern United States. It is a brachypterous (incapable of flight) habitat specialist, occurring in only two of five forest classes in a North Carolina study.[3] R. caudata is a considered a Vulnerable species at the global level on NatureServe, Imperiled in Alabama, and Vulnerable in Virginia.[1][4]

Rhadine caudata

Vulnerable  (NatureServe)[1]
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Carabidae
Genus: Rhadine
Species:
R. caudata
Binomial name
Rhadine caudata
(LeConte, 1863)
Synonyms[2]

Platynus caudatus LeConte, 1863

R. caudata occurs in both surface and subsurface environments, studying it and other species in the genus Rhadine may reveal more about the evolution of subterranean life, regressive evolution, and biodiversity indicators.[5]

It was first formally named by John Lawrence LeConte in 1863 as Platynus caudatus[6] and later transferred to the genus Rhadine.[2][7]

Distribution

The majority of the 60 species in the genus Rhadine are subterranean, with almost all of the species found in the southwestern United States. In contrast, R. caudata has been found from Texas to the east coast, north to Wisconsin.[2] It is widely distributed, but rare, with a low dispersal rate. It is known to be abundant only at the Cumberland Caverns and McElroy Cave in Tennessee.[8] It has been found in Alabama, Arkansas, District of Columbia, Georgia, Illinois, Indiana, Kentucky, Maryland, North Carolina, Ohio, Pennsylvania, Tennessee, Virginia, Wisconsin, and West Virginia.[9]

References
  1. "Rhadine caudata, a carabid beetle". explorer.natureserve.org. NatureServe. Retrieved 11 November 2020.
  2. "Species Rhadine caudata". bugguide.net. Retrieved 11 November 2020.
  3. Riley, Kathryn N.; Browne, Robert A. (16 November 2011). "Changes in ground beetle diversity and community composition in age structured forests (Coleoptera, Carabidae)". ZooKeys (147): 601–621. doi:10.3897/zookeys.147.2102. PMC 3286241. PMID 22371677.
  4. Riley, Kathryn Nicole (2010). Ground beetles (Coleoptera: Carabidae) as biodiversity indicators for age structure in Piedmont forests? (Thesis). hdl:10339/30394.
  5. Gómez, R. Antonio; Reddell, James; Will, Kipling; Moore, Wendy (May 2016). "Up high and down low: Molecular systematics and insight into the diversification of the ground beetle genus Rhadine LeConte". Molecular Phylogenetics and Evolution. 98: 161–175. doi:10.1016/j.ympev.2016.01.018. PMID 26879711.
  6. LeConte, John L. (1863). New species of North American Coleoptera. Smithsonian Institution. pp. 7–8.
  7. Barr, Thomas Calhoun (1974). "Revision of Rhadine LeConte (Coleoptera, Carabidae). 1, The subterranea group". American Museum Novitates (2539). Retrieved 13 November 2020.
  8. Barr, T. C. 1985. Pattern and process in speciation of trechine beetles in eastern North America (Coleoptera: Carabidae: Trechinae) [pp. 371–372]. In: Taxonomy, Phylogeny, and Zoography of Beetles and Ants (G. E. Ball, editor). Dr. W. Junk Publishers, Dordrecht, The Netherlands.
  9. Riley, Kathryn N.; Browne, Robert A. (1 June 2014). "First Documented Record for a Species of Concern, Rhadine caudata (LeConte) (Coleoptera: Carabidae: Platynini), from North Carolina, USA". The Coleopterists Bulletin. 68 (2): 239. doi:10.1649/0010-065X-68.2.239. S2CID 84867778.
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