Abstract
The identity of Polyesmus cavicola Packard, 1877, described from a cave in Utah, is clarified through examination of a female lectotype and a newly collected adult male. The species is placed in the family Macrosternodesmidae and is designated as the type species of Packardesmus, n. gen.
References
Chamberlin, R.V. (1930) On some centipeds and millipeds from Utah and Arizona. The Pan-Pacific Entomologist, 6, 111–121.
Chamberlin, R.V. & Hoffman, R.L. (1950) On some genera and families of North American diplopods. Chicago Academy of Sciences Natural History Miscellany, 71, 1–7.
Chamberlin, R.V. & Hoffman, R.L. (1958) Checklist of the millipeds of North America. United States National Museum Bulletin, 212, 1–236.
https://doi.org/10.5479/si.03629236.212
Chamberlin, R.V. & Jones, D.T. (1929) A descriptive catalog of the Mollusca of Utah. Bulletin of the University of Utah, Biological Series, 1, 1–203.
Dall, W.H. (1877) [Hyalina subrupicola, n. s]. In: Packard, A.S. (Ed.), On a new cave fauna from Utah. Bulletin, U.S. Geological and Geographical Survey of the Territories, 3, pp. 163–164.
Djursvoll, P., Golovatch, S.I., Johanson, K.A. & Meidell, B. (2000) Phylogenetic relationships within Polydesmus sensu lato (Diplopoda: Polydesmidae). Fragmenta Faunistica, 43, 37–59.
Hoffman, R.L. (1980 [1979]) Classification of the Diplopoda. Muséum d'Histoire Naturelle, Genève, Switzerland, 237 pp.
Hoffman, R.L. (1999) Checklist of the millipeds of North and Middle America. Virginia Museum of Natural History Special Publication, 8, 1–584.
Oliver, G.V. & Bosworth, W.R. (1999) Rare, imperiled and recently extinct or extirpated mollusks of Utah. Publication Number 99-29 of the Utah Division of Wildlife Resources, 1–232.
Packard, A.S. (1877) On a new cave fauna in Utah. Bulletin of the United States Geological Survey of the Territories, 3, 157–169.
Shear, W.A. (2010) Hesperonemastoma smilax, n. sp., a remarkable new harvestman from a cave in West Virginia, with comments on other reported cave-dwelling Hesperonemastoma species (Opiliones, Ischyropsalidoidea, Sabaconidae). Journal of Cave and Karst Studies, 72, 105–110.
https://doi.org/10.4311/jcks2009lsc0103
Shear, W.A. (2012) Snoqualmia, a new polydesmid millipede genus from the northwestern United States, with a description of two new species (Diplopoda, Polydesmida, Polydesmidae). Insecta Mundi, 0283, 1–13.
Shear, W.A. & Reddell, J.M. (2017) Cave millipedes of the United States. XIV. Revalidation of the genus Speorthus Chamberlin, 1952 (Diplopoda, Polydesmida, Macrosternodesmidae) with a description of a new species from Texas and remarks on the families Polydesmidae and Macrosternodesmidae in North America. Insecta Mundi, 0529, 1–13.
Shear, W.A. & Shelley, R.M. (2006) Leonardesmus injucundus, n. gen., n. sp., an aromatic small-bodied millipede from Washington State, U. S. A., and a revised account of the family Nearctodesmidae (Polydesmida). Zootaxa, 1176, 1–16.
Shear, W.A. & Shelley, R.M. (2007) The millipede genus Tidesmus Chamberlin, 1943 (Polydesmida, Macrosternodesmidae). Zootaxa, 1656, 51–68.
Shear, W.A. & Shelley, R.M. (2008) Cave millipeds of the United States. VI. Sequoiadesmus krejcae, n. gen., n. sp. from Sequoia and Kings Canyon National Parks, California, SA (Diplopoda, Polydesmida, Polydesmidea, Macrosternodesmidae. Zootaxa, 1693, 41–48.
Shelley, R.M. (1994) The milliped family Nearctodesmidae in northwestern North America, with accounts of Sakophallus and S. simplex Chamberlin (Polydesmida). Canadian Journal of Zoology, 72, 470–495.
Shelley, R.M. (1996a) The milliped genus Utadesmus Chamberlin & Hoffman (Polydesmida: Polydesmidae). Myriapodologica, 4 (2), 9–16.
Shelley, R.M. (1996b) The identity of Alpertia lunatifrons Loomis, with records of introduced polydesmids from northwestern North America, deletion of Polydesmus racovitzai Brolemann, and identification of invalid taxa (Polydesmida: Polydesmidae). Myriapodologica, 4 (3), 17–020.
Shelley, R.M. (1997) The identity of Polydesmus sastianus Chamberlin, proposal of a new millipede genus, and remarks on the identity of Phreatodesmus hastingsus (Chamberlin) (Polydesmida: Polydesmidae). Myriapodologica, 4 (8), 59–67.
Shelley, R.M. (2003) A new polydesmid millipede genus and two new species from Oregon and Washington, U.S.A., with a review of Bidentogon Buckett & Gardner, 1968, and a summary of the family in western North America (Polydesmida: Polydesmidae). Zootaxa, 296, 1–12.
https://doi.org/10.11646/zootaxa.296.1.1