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== Discovery and distribution == |
== Discovery and distribution == |
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This genus was first proposed in 1950 by the American [[biologist]] [[Ralph Vary Chamberlin|Ralph V. Chamberlin]] to contain two new species that he [[Species description|described]] simultaneously. He described ”[[Portoricona adjunta|P. adjunta]]” based on three specimens (two females and one male) collected in 1947 in the town of [[Adjuntas, Puerto Rico|Adjuntas]] in Puerto Rico. He described ”[[Portoricona socia|P. socia]]” based on five specimens, including two adults, collected from the [[Guánica State Forest]] in Puerto Rico. He explicitly designated ”P. adjunta” as the [[type species]] for the new genus.<ref>{{Cite journal |last=Chamberlin |first=Ralph V. |date=1950 |title=Some chilopods from Puerto Rico |url=https://www.biodiversitylibrary.org/item/110822#page/395/mode/1up |journal=Proceedings of the Biological Society of Washington |volume=63 |pages=155-160 [159-160] |via=Biodiversity Heritage Library}}</ref> [[Syntype|Syntypes]] including both sexes of ”P. socia” that were collected in 1948, as well as a female syntype of ”P. adjunta”, are deposited in the [[National Museum of Natural History]] of the [[Smithsonian Institution]] in [[Washington, D.C.]]<ref name=”:0″ /> |
This genus was first proposed in 1950 by the American [[biologist]] [[Ralph Vary Chamberlin|Ralph V. Chamberlin]] to contain two new species that he [[Species description|described]] simultaneously. He described ”[[Portoricona adjunta|P. adjunta]]” based on three specimens (two females and one male) collected in 1947 in the town of [[Adjuntas, Puerto Rico|Adjuntas]] in Puerto Rico. He described ”[[Portoricona socia|P. socia]]” based on five specimens, including two adults, collected from the [[Guánica State Forest]] in Puerto Rico. He explicitly designated ”P. adjunta” as the [[type species]] for the new genus.<ref>{{Cite journal |last=Chamberlin |first=Ralph V. |date=1950 |title=Some chilopods from Puerto Rico |url=https://www.biodiversitylibrary.org/item/110822#page/395/mode/1up |journal=Proceedings of the Biological Society of Washington |volume=63 |pages=155-160 [159-160] |via=Biodiversity Heritage Library}}</ref> [[Syntype|Syntypes]] including both sexes of ”P. socia” that were collected in 1948, as well as a female syntype of ”P. adjunta”, are deposited in the [[National Museum of Natural History]] of the [[Smithsonian Institution]] in [[Washington, D.C.]]<ref name=”:0″ /> |
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In 2024, the French biologists Étienne Iorio and Mathieu Coulis described ”[[Portoricona carbetensis|P. carbetensis]]” as a new species in this genus. They based the original description of this species on a male [[holotype]] and two female [[Paratype|paratypes]] collected from [[Old-growth forest|primary forests]] in Martinique. The male holotype was found in 2019 among moss and dead wood in the [[Communes of France|commune]] of [[Le Lorrain]]. The female paratypes were found in 2016 and 2017 at an elevation of 1,059 meters in the commune of [[Fonds-Saint-Denis|Fond-Saint-Denis]]. The holotype is deposited in the [[National Museum of Natural History, France|Muséum National d’Histoire Naturelle]] in [[Paris]].<ref name=”:0″ /> |
In 2024, the French biologists Étienne Iorio and Mathieu Coulis described ”[[Portoricona carbetensis|P. carbetensis]]” as a new species in this genus. They based the original description of this species on a male [[holotype]] and two female [[Paratype|paratypes]] collected from [[Old-growth forest|primary forests]] in Martinique. The male holotype was found in 2019 among moss and dead wood in the [[Communes of France|commune]] of [[Le Lorrain]]. The female paratypes were found in 2016 and 2017 at an elevation of 1,059 meters in the commune of [[Fonds-Saint-Denis|Fond-Saint-Denis]]. The holotype is deposited in the [[National Museum of Natural History, France|Muséum National d’Histoire Naturelle]] in [[Paris]].<ref name=”:0″ /> |
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== Description == |
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Centipedes in this genus can reach 22.5 mm in length and can feature from 39 to 55 pairs of legs.<ref name=”:0″ /> The species ”P. adjunta” features the fewest legs in this genus, with only 39 pairs in the male and 41 pairs in the females.<ref name=”:1″ /> The other two species feature many more legs: The species ”P. socia” features 51 pairs in the male and 53 pairs in the female, and the species ”P. carbetensis” features 51 pairs in the male and 53 or 55 pairs in the females.<ref name=”:0″ /> |
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== References == |
== References == |
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Latest revision as of 18:58, 12 December 2025
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Portoricona is a genus of soil centipedes in the family Geophilidae.[1][2][3] This genus includes only three species.[4] These centipedes are found in Puerto Rico and Martinique.[4][5]
Discovery and distribution
[edit]
This genus was first proposed in 1950 by the American biologist Ralph V. Chamberlin to contain two new species that he described simultaneously. He described P. adjunta based on three specimens (two females and one male) collected in 1947 in the town of Adjuntas in Puerto Rico. He described P. socia based on five specimens, including two adults, collected from the Guánica State Forest in Puerto Rico. He explicitly designated P. adjunta as the type species for the new genus.[6] Syntypes including both sexes of P. socia that were collected in 1948, as well as a female syntype of P. adjunta, are deposited in the National Museum of Natural History of the Smithsonian Institution in Washington, D.C.[4]
In 2024, the French biologists Étienne Iorio and Mathieu Coulis described P. carbetensis as a new species in this genus. They based the original description of this species on a male holotype and two female paratypes collected from primary forests in Martinique. The male holotype was found in 2019 among moss and dead wood in the commune of Le Lorrain. The female paratypes were found in 2016 and 2017 at an elevation of 1,059 meters in the commune of Fond-Saint-Denis. The holotype is deposited in the Muséum National d’Histoire Naturelle in Paris.[4]
Centipedes in this genus can reach 22.5 mm in length and can feature from 39 to 55 pairs of legs.[4] The species P. adjunta features the fewest legs in this genus, with only 39 pairs in the male and 41 pairs in the females.[6] The other two species feature many more legs: The species P. socia features 51 pairs in the male and 53 pairs in the female, and the species P. carbetensis features 51 pairs in the male and 53 or 55 pairs in the females.[4]
- ^ Bonato, L.; Chagas Junior, A.; Edgecombe, G.D.; Lewis, J.G.E.; Minelli, A.; Pereira, L.A.; Shelley, R.M.; Stoev, P.; Zapparoli, M. (2016). “Portoricona Chamberlin, 1950”. ChiloBase 2.0 – A World Catalogue of Centipedes (Chilopoda). Retrieved 2025-12-12.
- ^ “ITIS – Report: Portoricona”. itis.gov. Retrieved 2025-12-12.
- ^ “Portoricona Chamberlin, 1950”. www.gbif.org. Retrieved 2025-12-12.
- ^ a b c d e f Iorio, Étienne; Coulis, Mathieu (2024). “Découverte de plusieurs géophilomorphes en Martinique, avec la description d’une nouvelle espèce du genre Portoricona (Chilopoda, Geophilomorpha)” (PDF). Bulletin de la Société entomologique de France (in French). 129 (2): 131–146. doi:10.32475/bsef_2325.
- ^ Foddai, Donatella; Pereira, Luis Alberto; Minelli, Alessandro (2000). “A catalogue of the geophilomorph centipedes (Chilopoda) from Central and South America including Mexico”. Amazoniana. 16 (1–2): 59–185 [90]. ISSN 0065-6755.
- ^ a b Chamberlin, Ralph V. (1950). “Some chilopods from Puerto Rico”. Proceedings of the Biological Society of Washington. 63: 155-160 [159-160] – via Biodiversity Heritage Library.
