Xerolinus

Xerolinus is a genus of darkling beetle. It consists of approximately thirty species found in the West Indies. Michael A. Ivie and Charles J. Hart named and circumscribed the genus in 2016.

Xerolinus
Scientific classification
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Family: Tenebrionidae
Subtribe: Opatrina
Genus: Xerolinus
Ivie & Hart, 2016
Type species
Diastolinus sallei
Mulsant & Rey, 1859[1]

Taxonomic history

The genus Xerolinus was circumscribed in 2016 by Montana State University coleopterists Michael A. Ivie and Charles J. Hart. They initially included twenty-nine species,[2] which were mostly transferred from the genus Diastolinus.[3] In a separate 2016 paper, Hart and Ivie described two new Xerolinus species.[4] Ivie and Hart designated X. sallei, which French etymologists Étienne Mulsant and Claudius Rey initially described as Diastolinus sallei in 1859, to be the type species of Xerolinus.[2] The generic name Xerolinus has a masculine gender.[5][2] Its etymology comes from the Greek ξηρός (xērós; "dry, arid") combined with the ending of the generic name Diasolinus. This reflects the habitat these beetles are found in.[2] Xerolinus is in the subtribe Opatrina within the tribe Opatrini.[6][5]

Distribution

Xerolinus is found in southern Florida and the West Indies, including the Lucayan Archipelago, the Greater Antilles, and the British Virgin Islands. The majority of described species are from the Cuban archipelago, although Ivie and Hart note that there will likely be even more species in the Lucayan Archipelago once its fauna become better studied. Most species in Xerolinus are endemic to a single island or to a group of islands corresponding to a single island in the Pleistocene.[2] The eastern extreme of this genus's range is Great Camanoe.[4]

Description

Xerolinus species have an oval or elongate oval body length with a length of 4.5–11.0 mm (0.18–0.43 in).[2]

Species

As of 2018, the following thirty-one species are recognized:[3][4][5]

  • X. alfaroi (Garrido & Gutiérrez, 1996)[7] — Cuba
  • X. alutaceus (Casey, 1890)[8] — USA (Florida), Cuba
  • X. armasi (Marcuzzi, 1988)[9] — Cuba
  • X. bahamae (Marcuzzi, 1965)[10] — The Bahamas
  • X. bielawskii (Marcuzzi, 1985)[11] — Cuba
  • X. burtoni (Garrido & Gutiérrez, 1996)[12] — Cayman Islands
  • X. caguamensis (Marcuzzi, 1988)[9] — Cuba
  • X. camanoensis Hart & Ivie, 2016[4] — Virgin Islands
  • X. caymanensis (Marcuzzi, 1977)[13] — Cayman Islands
  • X. cubanus (Marcuzzi, 1962)[14] — Cuba
  • X. dentipes (Marcuzzi, 1977)[13] — Cuba, Cayman Islands
  • X. difficilis (Marcuzzi, 1976)[15] — Cuba
  • X. dispar (Casey, 1890)[8] — USA (Florida)
  • X. dozieri (Marcuzzi, 1965)[10] — Turks and Caicos Islands
  • X. elongatus (Marcuzzi, 1976)[15] — Cuba
  • X. garridoi (Marcuzzi, 1988)[9] — Cuba
  • X. hernandezi (Marcuzzi, 1988)[9] — Cuba (Isla de Juventud)
  • X. juraguensis (Marcuzzi, 1988)[9] — Cuba
  • X. kulzeri (Marcuzzi, 1965)[10] —The Bahamas (Mayaguana)
  • X. macamboensis (Marcuzzi, 1988)[9] — Cuba
  • X. minor (Marcuzzi, 1977)[13] — Cayman Islands
  • X. orientalis (Garrido & Gutiérrez, 1996)[7] — Cuba
  • X. puncticeps (Mulsant & Rey, 1859)[1] — Cuba
  • X. rufoclavatus (Zayas, 1988) — Cuba
  • X. sallei (Mulsant & Rey, 1859)[1] — Hispaniola
  • X. smalli (Garrido, 2004)[16] — Cuba
  • X. swearingenae Hart & Ivie, 2016[4] — Jamaica
  • X. that (Steiner, 2006)[17] — The Bahamas
  • X. this (Steiner, 2006)[17] — The Bahamas
  • X. waterhousii (Mulsant & Rey, 1859)[1] — Cuba
  • X. zayasi (Marcuzzi, 1988)[9] — Cuba

In addition, an undescribed species mentioned in Robert H. Turnbow Jr. and Michael C. Thomas's 2008 checklist of Bahamian coleoptera belongs to Xerolinus;[18] Turnbow and Thomas had referred to it as "Diastolinus prob. n. sp."[19] Ivie and Hart also noted that there are many other undescribed species as well as islands whose beetle species have not thoroughly been sampled.[2]

References
  1. Mulsant, E.; Rey, Cl. (1859). "Essai d'une division des derniers Mélasomes (Blapstinites)". Opuscules entomologiques. 9: 65–137.
  2. Ivie & Hart (2016), p. 470.
  3. Ivie & Hart (2016), pp. 470–474.
  4. Hart, Charles J.; Ivie, Michael A. (2016). "Two New Species of Xerolinus Ivie and Hart (Coleoptera: Tenebrionidae: Opatrini) from Jamaica and the Virgin Islands". The Coleopterists Bulletin. 70 (4): 885–891. doi:10.1649/0010-065X-70.4.885.
  5. Bousquet, Yves; Thomas, Donald B.; Bouchard, Patrice; Smith, Aaron D.; Aalbu, Rolf L.; Johnston, M. Andrew; Steiner Jr., Warren E. (2018). "Catalogue of Tenebrionidae (Coleoptera) of North America". ZooKeys. 728: 208–210. doi:10.3897/zookeys.728.20602. PMC 5799738. PMID 29416389.
  6. Ivie & Hart (2016), p. 448.
  7. Garrido, Orlando H.; Gutiérrez, Esteban (1996). "Consideraciones sobre el género Diastolinus (Coleoptera: Tenebrionidae: Pedinini) en Cuba, con descripción de dos nuevas especies". Insecta Mundi (in Spanish). 10 (1–4): 225–230.
  8. Casey, Thomas L. (1890). "Coleopterological Notices. II". Annals of the New York Academy of Sciences. 5: 423–425. doi:10.1111/j.1749-6632.1890.tb57008.x.
  9. Marcuzzi, Giorgio (1988). "New species of Trientoma and Diastolinus (Coleoptera Tenebrionidae) from Cuba". Annali del Museo civico di storia naturale Giacomo Doria. 87: 67–83.
  10. Marcuzzi, Giorgio (1965). "Nuove forme di Coleotteri Tenebrionidi dalle Bahamas". Entomologische Arbeiten aus dem Museum G. Frey. 16: 125–130.
  11. Marcuzzi, G. (1985). "New taxa of Neotropical Tenebrionidae (Coleoptera)". Annales historico-naturales Musei nationalis hungarici. 77: 179–186. Archived (PDF) from the original on 12 April 2017.
  12. Garrido, Orlando H.; Gutiérrez, Esteban (1996). "El género Diastolinus (Coléoptera: Tenebrionidae: Pedinini) en las Islas Caimán con descripción de una nueva especie". Insecta Mundi (in Spanish). 10 (1–4): 231–234.
  13. Marcuzzi, G. (1977). "Further studies on Caribbean tenebrionid beetles". Studies on the Fauna of Curaçao and other Caribbean Islands. 52 (170): 1–71. ISSN 0166-5189.
  14. Marcuzzi, Giorgio (1962). "Tenebrionid Beetles of the West Indies". Studies on the Fauna of Curaçao and other Caribbean Islands. 13 (57): 30–31. ISSN 0166-5189.
  15. Marcuzzi, G. (1976). "New species of Neotropical Tenebrionidae (Coleoptera)". Annales historico-naturales Musei nationalis hungarici. 68: 126–127. Archived (PDF) from the original on 12 April 2018.
  16. Garrido, Orlando H. (2004). "Especie nueva de Diastolinus (Coleoptera:Tenebrionidae) para Cuba" (PDF). Solenodon. 4: 46–48. Archived (PDF) from the original on 12 April 2018.
  17. Steiner, W. E. Jr. (2006). "New species of darkling beetles (Coleoptera: Tenebrionidae) from San Salvador Island, Bahamas" (PDF). Zootaxa. 1158 (1): 1–28. doi:10.11646/zootaxa.1158.1.1.
  18. Ivie & Hart (2016), p. 474.
  19. Turnbow, Robert H. Jr.; Thomas, Michael C. (2008). "An annotated checklist of the Coleoptera (Insecta) of the Bahamas". Insecta Mundi. 2008 (0034): 55.

Works cited
  • Ivie, Michael A.; Hart, Charles J. (2016). "Redefinition of Diastolinus Mulsant and Rey, with a Review of West Indian Blapstinoid Genera (Coleoptera: Tenebrionidae: Opatrini)". The Coleopterists Bulletin. 70 (3): 447–481. doi:10.1649/0010-065X-70.3.447.CS1 maint: ref=harv (link)
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