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Article
Published: 2016-09-08

Cambarus (Jugicambarus) adustus, a new species of crayfish from northeastern Kentucky delimited from the Cambarus (J.) aff. dubius species complex 

Midwest Biodiversity Institute, 4673 Northwest Parkway, Hilliard, Ohio, 43026 USA.
Carnegie Museum of Natural History, Section of Invertebrate Zoology, 4400 Forbes Avenue, Pittsburgh, PA 15213-4080 USA.
Denison University, Biology Department, Granville, Ohio, 43023 USA.
West Liberty University, Department of Natural Sciences and Mathematics, P.O. Box 295, West Liberty, West Virginia, 26074 USA
Crustacea Appalachian Mountains Cambaridae Cambarus crayfish Decapoda new species

Abstract

A new species of burrowing crayfish, Cambarus (Jugicambarus) adustus, is described from Lewis County in northeastern Kentucky, USA. The new species is most similar morphologically to C. dubius. Cambarus adustus coloration differs from C. dubius by lacking red, orange and blue hues, and instead is brown over the entire body surface. Morphological differences between C. dubius and C. adustus exist in the form I male gonopod, with C. adustus possessing a caudal knob, while C. dubius does not. In addition, the lateral carapace of C. adustus is distinctly tuberculate, whereas in C. dubius the carapace lacks extensive tuberculation. Cambarus (J.) adustus appears to have an extremely small geographic range (~19.5 km2), and as such we suggest its consideration for both state and federal levels of protection.

 

References

  1. Bouchard, R.F. (1973) A new crayfish of the subgenus Jugicambarus from Tennessee with an amended definition of the subgenus (Astacidae, Decapoda). American Midland Naturalist, 89 (1), 103–111.

    http://dx.doi.org/10.2307/2424139

    Bouchard, R.F. & Hobbs, H.H. Jr. (1976) A new subgenus and two new species of crayfish from the genus Cambarus (Decapoda: Cambaridae) from the southeastern United States. Smithsonian Contributions to Zoology, 224, 1–15.

    http://dx.doi.org/10.5479/si.00810282.224

    Cooper, J.E. & Schofield, K.A. (2002) Cambarus (Jugicambarus) tuckasegee, a new species of crayfish (Decapoda: Cambaridae) from the Little Tennessee River basin, North Carolina. Proceedings of the Biological Society of Washington, 115 (2), 371–381.

    Darriba, D., Taboada, G.L., Doallo, R. & Posada, D. (2012) jModelTest 2: more models, new heuristics and parallel computing. Nature Methods, 9, 772–772.

    http://dx.doi.org/10.1038/nmeth.2109

    Dewees, J. (1972) Geographic variation in the primary burrowing crayfish Cambarus dubius Faxon and Cambarus carolinus (Erichson) (Decapoda: Astacidae) in Tennessee with notes on ecology and life history. Master’s Thesis, University of Tennessee, Knoxville, vii + 76 pp.

    Faxon, W. (1884) Descriptions of new species of Cambarus, to which is added a synonymical list of the known species of Cambarus and Astacus. Proceedings of the American Academy of Arts and Science, 20, 107–158.

    http://dx.doi.org/10.2307/25138768

    Fetzner, J.W. Jr. & Crandall, K.A. (2003) Linear habitats and the Nested Clade Analysis: An empirical evaluation of geographic vs. river distances using an Ozark crayfish (Decapoda: Cambaridae). Evolution, 57 (9), 2101–2118.

    http://dx.doi.org/10.1111/j.0014-3820.2003.tb00388.x

    Gradstein, F.M., Ogg, J.G. & Smith, A.G. (2004) A Geologic Time Scale 2004. Cambridge University Press, Cambridge, 610 pp.

    Hobbs, H.H. Jr. (1970) New crayfishes of the genus Cambarus from Tennessee and Georgia (Decapoda, Astacidae). Proceedings of the Biological Society of Washington, 83 (23), 241–259.

    Hobbs, H.H. Jr. & Hall, E.T. Jr. (1969) New crayfishes from Georgia (Decapoda, Astacidae). Proceedings of the Biological Society of Washington, 82 (21), 281–294.

    Hobbs, H.H. Jr. & Shoup, C.S. (1947) Two new crayfishes (Decapoda: Astacidae) from the Obey River drainage in Tennessee. Journal of the Tennessee Academy of Science, 22, 138–145.

    IUCN. (2001) IUCN Red List Categories and Criteria: Version 3.1. IUCN Species Survival Commission. IUCN, Gland and Cambridge, ii + 30 pp.

    Jezerinac, R.F., Stocker G.W. & Tarter, D.C. (1995) The crayfishes (Decapoda: Cambaridae) of West Virginia. Ohio Biological Survey Bulletin, 10 (1), 1–193.

    Kumar, S., Stecher G. & Tamura K. (2016) MEGA7: Molecular Evolutionary Genetics Analysis version 7.0 for bigger datasets. Molecular Biology and Evolution, 33 (7), 1870–1874.

    http://dx.doi.org/10.1093/molbev/msw054

    Loughman, Z.J., Thoma, R.F., Fetzner, J.W. Jr. & Stocker, G.W. (2015) Cambarus (Jugicambarus) pauleyi, a new species of crayfish (Decapoda: Cambaridae) endemic to southcentral West Virginia, USA, with a re-description of Cambarus (J.) dubius. Zootaxa, 3980 (4), 526–546.

    http://dx.doi.org/10.11646/zootaxa.3980.4.4

    Maddison, W.P. & Maddison, D.R. (2015) Mesquite: a modular system for evolutionary analysis. Version 3.04. Available from: http://mesquiteproject.org/ (accessed 9 August 2016)

    Riemer, R.D. (1966) Two new species of the genus Cambarus from Arkansas (Decapoda, Astacidae). Tulane Studies in Zoology, 13 (1), 9–15.

    Ronquist, F. & Huelsenbeck, J.P. (2003) MrBayes 3: Bayesian phylogenetic inference under mixed models. Bioinformatics, 19 (12), 1572–1574.

    http://dx.doi.org/10.1093/bioinformatics/btg180

    Silvestro, D. & Michalak, I. (2012) raxmlGUI: a graphical front-end for RAxML. Organisms Diversity and Evolution, 12 (4), 335–337.

    http://dx.doi.org/10.1007/s13127-011-0056-0

    Stamatakis, A. (2006) RAxML-VI-HPC: maximum likelihood-based phylogenetic analyses with thousands of taxa and mixed models. Bioinformatics, 22 (21), 2688–2690.

    http://dx.doi.org/10.1093/bioinformatics/btl446

    Swofford, D.L. (2002) PAUP*. Phylogenetic Analysis Using Parsimony (*and Other Methods). Version 4. Sinauer Associates, Sunderland, Massachusetts.

    Stout, W., Ver Steeg, K. & Lamb, G.F. (1943) Old drainage systems. Ohio Geological Survey Bulletin, 44, 51–106.

    Taylor, C.A. & Schuster, G.A. (2004) The crayfishes of Kentucky. Illinois Natural History Survey Special Publication, No. 28, i–viii + 1–219.

    Taylor, C.A., Schuster, G.A., Cooper, J.E., DiStefano, R.J., Eversole, A.G., Hamr, P., Hobbs III., H.H., Robison, H.W., Skelton, C.E. & Thoma, R.F. (2007) A reassessment of the conservation status of crayfishes of the United States and Canada after 10+ years of increased awareness. Fisheries, 32 (8), 372–389.

    http://dx.doi.org/10.1577/1548-8446(2007)32[372%3AAROTCS]2.0.CO%3B2

    Thoma, R.F. (2000) Cambarus (Jugicambarus) jezerinaci (Crustacea: Decapoda: Cambaridae), a new species of crayfish from the Powell River drainage of Tennessee and Virginia. Proceedings of the Biological Society of Washington, 113 (3), 731–738.

    Thoma, R.F. (2016) Chapter 16. Phylum Arthropoda. Keys to Decapoda: Genus Cambarus. In: Thorp, J.H. & Rogers, D.C. (Eds.), Thorp and Covich's Freshwater Invertebrates, Keys to Nearctic Fauna. 4th Edition. Vol. II. Academic Press, London, pp. 667–691.

    Thoma, R.F. & Stocker, G.W. (2009) Orconectes (Procericambarus) raymondi (Decapoda: Cambaridae), a new species of crayfish from southern Ohio. Proceedings of the Biological Society of Washington, 122 (4), 405–413.

    http://dx.doi.org/10.2988/09-04.1