Fumontana deprehendor
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.jpg/250px-Fumontana_deprehendor_(Marshal_Hedin).jpg) F. deprehendor
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| Fumontana deprehendor Shear, 1977 |
Fumontana is a genus of harvestman that occurs in the United States (North Carolina and Tennessee) with one described species, F. deprehendor.
While members of the family Triaenochychidae are well represented in western North America, Chile, South Africa, New Zealand, Australia, Korea and Japan, F. deprehendor is the first species found in the eastern United States.[1] The Appalachian millipede genus Choctella shows a similar distribution, suggesting they both stem from the same Gondwanan fauna[2].
It was first discovered in forest litter of Greenbrier Cove, Great Smoky Mountains National Park, Tennessee. Another specimen was recorded near Robbinsville, Graham Co ., North Carolina, under a stone in a virgin cove hardwoods forest, 55km southeast of the first find[3]. About 30 years later, 22 new populations were found in the region, including habitats in southwestern Virginia, eastern Tennessee, western North Carolina, and northern Georgia. The majority was found in heights above 750 m, and they were most abundant in well decayed hemlock logs.[4]
Certain aspects of its anatomy (such as position and form of the eye tubercle, and the male genitalia) make it likely that it is most closely related to genera in other parts of the world, such as Monomontia in South Africa or Hendea in New Zealand. F. deprehendor is thus likey an ancient relict, suggesting a wide distribution of the family before the current distribution of continents.[5]
[edit] Name
The genus name is derived from the Latin words for "smoke" and "mountain". The species name is Latin for "one who takes by surprise".[6]
[edit] Footnotes
- ^ Shear 1977: 178
- ^ Thomas & Hedin 2006: 22
- ^ Shear 1978:
- ^ Thomas & Hedin 2006: 21f, 26
- ^ Shear 1977: 181f
- ^ Shear 1977: 179
[edit] References
- Joel Hallan's Biology Catalog: Triaenonychidae
- Shear, William A. (1977): Fumontana deprehendor, n. gen., n. sp., the First Triaenonychid Opilionid from Eastern North America (Opiliones: Laniatores: Triaenonychidae). Journal of Arachnology '3(3): pp. 177-183. PDF
- Shear, W.A. (1978): A new record for the rare opilionid Fumontana deprehensor (Opiliones, Triaenonychidae). Journal of Arachnology 6(1): 79. PDF
- Thomas, Steven M. & Hedin, Marshal (2006): Natural history and distribution of the enigmatic southern Appalachian opilionid, Fumontana deprehendor Shear (Laniatores: Triaenonychidae), with an assessment of morphological variation. Zootaxa 1242: 21-36. PDF
