The Pineville Mimic MillipedePaul Marek
Brachoria hansonia individuals are about 44.0 mm long and 10.7 mm wide (females 47.2 X 11.2 mm). Color: 3-spotted light orange (7.5YR 7/12, shown above), pink (1.25YR 6/12), or yellow (3.75Y 8/12).
Brachoria hansonia genitalia - left male gonopodal acropodite (with setae removed): (Left) medial view and (Right) magnified apical view. © Paul Marek
Brachoria hansonia, 3-spotted yellow (3.75Y 8/12) color morph. © Paul Marek
HabitatBrachoria hansonia specimens were collected during the day (11:30) about five meters north of Little Clear Creek (Bell Co., Kentucky) in a hemlock, oak and birch forest. Millipedes were found beneath a thin layer of decaying leaves in a very flat section of the forest near the stream. No other xystodesmids were encountered with B. hansonia at this locality. However, B. hansonia and B. splendida co-occur at Pine Mountain State Park and appear similar in coloration.
DistributionKnown only from six localities in eastern Whitley and western Bell counties, Kentucky. Brachoria hansonia occurs on Pine Mountain from Pine Mountain State Resort Park to Chenoa Lake. There is one, apparently disjunct population 23 air km west in Whitley County. The closest known Brachoria species (aside from B. splendida that co-occurs at Pine Mountain State Park and Kentucky Ridge State Forest) is B. sheari, which occurs about 14 air km southeast of B. hansonia at the base of Cumberland Mountain near Shillalah Creek.
Conservation statusBrachoria hansonia is threatened by habitat loss due to agriculture (especially growing demand for paper products), coal mining, development, and the invasion of exotic species.
Marek P.E. 2010. A revision of the Appalachian millipede genus Brachoria Chamberlin, 1939 (Polydesmida: Xystodesmidae: Apheloriini). Zool. J. Linn. Soc. 159: 817-889.
Causey N.B. 1950. A collection of xystodesmid millipeds from Kentucky and Tennessee. Ent. News 61: 5-8.
Keeton W.T. 1959. A revision of the millipede genus Brachoria (Polydesmida: Xystodesmidae) Proc. US Nat. Mus. 109: 1-58.
Hoffman R.L. 1999. Checklist of the millipeds of North and Middle America. Virginia Museum of Natural History Special Publication. No. 8. Martinsville: Virginia Museum of Natural History.
About This PageWork on the millipede Tree of Life pages was supported by a U.S. National Science Foundation Doctoral Dissertation Improvement Grant to Paul Marek and Jason Bond (DEB 0607996) and a Partnerships for Enhancing Expertise in Taxonomy Grant to Petra Sierwald, Jason Bond, and William Shear (DEB 0529715).
Virginia Polytechnic Institute and State University
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Page copyright © 2010 Paul Marek
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- First online 16 September 2010
- Content changed 16 September 2010
Citing this page:
Marek, Paul. 2010. Brachoria hansonia http://tolweb.org/Brachoria_hansonia/144220/2010.09.16 in The Tree of Life Web Project, http://tolweb.org/. The Pineville Mimic Millipede. Version 16 September 2010 (under construction).