Orthomorpha coarctata
| Orthomorpha coarctata | |
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| Scientific classification | |
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| Genus: | Orthomorpha or Asiomorpha
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| Species: | O. coarctata
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| Binomial name | |
| Orthomorpha coarctata (DeSaussure, 1860)
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| Synonyms | |
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Polydesmus coarctatus DeSaussure, 1860 | |
Orthomorpha coarctata (alternately known as Asiomorpha coarctata) is a widely introduced species of Polydesmidan millipede of the family Paradoxosomatidae. It is presumed native to Southeast Asia but due to transport by humans occurs in tropical and sub-tropical areas throughout the world, including the Hawaiian Islands, the West Indies and Gulf Coast of North America.[1][2] Males range from 14.5–20.5 mm in length and 1.5 to 2.7 mm wide while females are somewhat larger ranging from 16.5–27.5 mm long, and 1.6–3.2 mm wide.[3] O. coarctata can be distinguished from Oxidus gracilis, another widely introduced Asian millipede, by having proportionally longer and pointier paranota (lateral keels) on mid-body segments and longer gonopods (male reproductive appendages).[4]
O. coarctata is unique within the genus Orthomorpha in that the gonopods have a single, simple tip, while other species have two or three lobes. This distinction has led some authors to place O. coarctata in a separate, monotypic genus, Asiomorpha.[1][3]
References
- ^ a b Hoffman, R. L. (1999). "Checklist of the millipeds of North and Middle America". Virginia Museum of Natural History Special Publications. 8: 1–553. p. 415
- ^ McCormack, Gerald (2007). "Asiomorpha coarctata, Long-flange Millipede". Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga. Retrieved 20 May 2014.
- ^ a b Likhitrakarn, Natdanai; Golovatch, Sergei; Panha, Somsak (2011). "Revision of the Southeast Asian millipede genus Orthomorpha Bollman, 1893, with the proposal of a new genus (Diplopoda, Polydesmida, Paradoxosomatidae)". ZooKeys. 131 (131): 1–161. doi:10.3897/zookeys.131.1921. PMC 3208436. PMID 22140329.
{{cite journal}}: CS1 maint: unflagged free DOI (link) - ^ McCormack, Gerald (2007). "Oxidus gracilis, Short-flange Millipede". Cook Islands Biodiversity Database, Version 2007.2. Cook Islands Natural Heritage Trust, Rarotonga. Retrieved 20 May 2014.
External links
Media related to Orthomorpha coarctata at Wikimedia Commons
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