Biology:Eustylini

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Short description: Tribe of beetles

Eustylini
Compsus auricephalus (43615805142).jpg
Compsus auricephalus
Scientific classification e
Domain: Eukaryota
Kingdom: Animalia
Phylum: Arthropoda
Class: Insecta
Order: Coleoptera
Infraorder: Cucujiformia
Family: Curculionidae
Subfamily: Entiminae
Tribe: Eustylini
Lacordaire, 1863
Genera

See text

Eustylini is a primarily Neotropical weevil tribe in the subfamily Entiminae.[1]

Taxonomy

The tribe Eustylini was named for the first time by Jean-Baptiste Henri Lacordaire in 1863,[2] although, when first named, the tribe (Groupe Eustylides, p. 205) only contained three genera: Aptolemus (currently in Naupactini), Brachystylus, and Eustylus.

In 1986 the Eustylini contained most of its current genera, mostly due to revised taxonomic placements made by Guillermo Kuschel.[3][1] The latest additions were made by Franz in 2012 by transferring former members of other tribes including Geonemini, Phyllobiini, and Tanymecini.[4]

The type species of some genera (Compsus, Diaprepes, Eustylus, Exorides, and Exophthalmus) were redescribed by Franz.[5] Most species of Eustylini are only known from their original descriptions.[6]

Description

A diagnosis for the tribe was offered by Girón 2020:[6]

Medium to large weevils (approx. 10–25 mm); scale coverage highly variable in presence, density and coloration; iridescent scales, erect setae or waxy secretions are frequently present; surface smooth and even or strongly sculptured and irregular; head (including rostrum) subrectangular, nearly as long or longer than wide; eyes small to mid-sized, slightly dorsally positioned; frons usually as wide as or narrower than interantennal distance, often bearing median fovea; rostrum nearly parallel-sided or broadened apically; dorsal surface of rostrum with variable elevations or depressions, including longitudinal carinae or oblique fossae; antennal scrobe generally fully visible in dorsal view; nasal plate usually well developed, either depressed, flat or elevated regarding surface of rostrum; anterior margin of prothorax in lateral view straight, seldom slightly sinuate, never forming conspicuous postocular lobe; postocular setae may be present, if so, forming a fringe instead of a tuft; elytral shoulders usually well-developed, absent in Brachyomus, reduced in some Compsus and Exorides; tubercles and apical projections may be present on elytra; femora usually not toothed (except in some Eustylus).
Heads in dorsal view: A Exophthalmus B Synthlibonotus C Exorides D Eustylus with characteristic broad antennal scape.

Distribution

Eustylini ranges from south-western United States to Argentina , with its highest diversity in the Caribbean, Central America and northern South America.[1][3][7]

Genera

The tribe Eustylini currently includes 25 genera and 339 sdescribed species:[3][4]

References

  1. ↑ 1.0 1.1 1.2 Alonso-Zarazaga, M. A.; Lyal, C. H. C. (1999). A world catalogue of families and genera of Curculionoidea (Insecta: Coleoptera) excluding Scolytidae and Platypodidae. Barcelona, Spain: Entomopraxis. pp. 315 pp. https://weevil.myspecies.info/sites/weevil.info/files/Alonso-Zarazaga%20%26%20Lyal,%201999_World%20Catalogue%20%28searchable%29.pdf. 
  2. ↑ 2.0 2.1 Lacordaire, T. (1863). Histoire Naturelle des Insectes. Genera des Coléoptères ou exposé méthodique et critique de tous les genres proposés jusqu'ici dans cet ordre d'insectes. Vol. 6.. Paris: Roret. pp. 637 pp. https://biodiversitylibrary.org/page/9375856. 
  3. ↑ 3.0 3.1 3.2 3.3 Wibmer, G. J.; O’Brien, C. W. (1986). "Annotated checklist of the weevils (Curculionidae sensu lato) of South America (Coleoptera: Curculionoidea)". Memoirs of the American Entomological Institute 39: 1–563. 
  4. ↑ 4.0 4.1 4.2 Franz, Nico M. (2012). "Phylogenetic reassessment of the Exophthalmus genus complex (Curculionidae: Entiminae: Eustylini, Geonemini)". Zoological Journal of the Linnean Society 164 (3): 510–557. doi:10.1111/j.1096-3642.2011.00774.x. ISSN 0024-4082. 
  5. ↑ Franz, Nico M. (2009). "Redescriptions of critical type species in the Eustylini Lacordaire (Coleoptera: Curculionidae: Entiminae)" (in en). Journal of Natural History 44 (1–2): 41–80. doi:10.1080/00222930903383495. ISSN 0022-2933. http://www.tandfonline.com/doi/abs/10.1080/00222930903383495. 
  6. ↑ 6.0 6.1 Girón, Jennifer C. (2020). "Status of knowledge of the broad-nosed weevils of Colombia (Coleoptera, Curculionidae, Entiminae)" (in en). Neotropical Biology and Conservation 15 (4): 583–674. doi:10.3897/neotropical.15.e59713. ISSN 2236-3777. https://neotropical.pensoft.net/article/59713/. 
  7. ↑ O’Brien, C.W.; Wibmer, G.J. (1982). "Annotated checklist of the weevils (Curculionidae sensu lato) of North America, Central America, and the West Indies (Coleoptera: Curculionoidea)". Memoirs of the American Entomological Institute 34: 1–382. 
  8. ↑ LeConte, John L.; Horn, George H. (1876). "The Rhynchophora of America, North of Mexico". Proceedings of the American Philosophical Society 15 (96): vii–442. ISSN 0003-049X. https://www.jstor.org/stable/982412. 
  9. ↑ 9.0 9.1 Kuschel, G. (1955). "Nuevas sinonimias y anotaciones sobre Curculionoidea". Revista Chilena de Entomología 4: 261–312. http://www.insectachile.cl/rchen/pdfs/1955v04/Kuschel_1955b.pdf. 
  10. ↑ Schönherr, C. J.; Boheman, C. H.; Fåhraeus, Olof Immanuel; Gyllenhal, L. (1845). Genera et species Curculionidum, cum synonymia hujus familae species novæ. 8. Paris: Roret. pp. 504. https://www.biodiversitylibrary.org/item/24772. 
  11. ↑ 11.0 11.1 Sharp, D.; Champion, G.C. (1911). Biologia Centrali-Americana. Insecta. Coleoptera. Volume 4. part 3. Rhynchophora. Curculionidae. London: R. H. Porter. pp. 354 pp. + 15 pl. https://biodiversitylibrary.org/page/581470. 
  12. ↑ 12.0 12.1 Anderson, Robert S.; Lanteri, Analia A. (2000). "New genera and species of weevils from the Galapagos Islands, Ecuador, and Cocos Island, Costa Rica (Coleoptera; Curculionidae; Entiminae; Entimini)". American Museum Novitates (3299): 1–15. doi:10.1206/0003-0082(2000)299<0001:NGASOW>2.0.CO;2. ISSN 0003-0082. https://bioone.org/journals/american-museum-novitates/volume-2000/issue-3299/0003-0082_2000_299_0001_NGASOW_2.0.CO_2/New-Genera-and-Species-of-Weevils-from-the-Galapagos-Islands/10.1206/0003-0082(2000)2992.0.CO;2.full. 
  13. ↑ 13.0 13.1 13.2 13.3 13.4 Schönherr, C. J. (1823). Curculionides [Tabula synoptica familiae Curculionidum]. Jena: Isis von Oken. pp. 1132–1146. https://www.biodiversitylibrary.org/item/47603. 
  14. ↑ Schönherr, C.J. (1842). Genera et species Curculionidum, cum synonymia hujus familiae. Species novae aut hactenus minus cognitae, descriptionibus a Dom. Leonardo Gyllenhal, C. H. Boheman, et entomologis aliis illustratae, tomus sextus, pars secunda. Paris: Roret. pp. 495 pp. https://www.biodiversitylibrary.org/page/4115130. 
  15. ↑ Pascoe, Francis P. (1881-01-01). "VI.—New neotropical Curculionidæ.—Part IV". Annals and Magazine of Natural History 7 (37): 38–45. doi:10.1080/00222938109459470. ISSN 0374-5481. https://doi.org/10.1080/00222938109459470. 
  16. ↑ Schönherr, C.J. (1826). IV Curculionidum dispositio methodica cum generum characteribus, descriptionibus atque observationibus variis seu Prodromus ad Synonymiae Insectorum. Lipsiae: Apud Fridericum Fleischer. https://biodiversitylibrary.org/page/9877808. 
  17. ↑ Sahlberg, C.R. (1823). Periculi entomographici, species insectorum nondum descriptas proposituri, fasciculus. Aboae: Frenckel. pp. 82 pp. https://www.biodiversitylibrary.org/page/10990686. 
  18. ↑ Chevrolat, L.A.A. (1878). "(donne la description d'un genre de Curculionidae)". Annales de la Société Entomologique de France. Cinquième Série Tome huitième: IX–X. https://www.biodiversitylibrary.org/page/8233069. 
  19. ↑ Faust, J. (1892). "Reise von E. Simon in Venezuela. Curculionidae. Pars prima". Stettiner Entomologische Zeitung 53: 1–44. https://biodiversitylibrary.org/page/9266298. 
  20. ↑ Schönherr, C.J. (1847). Mantissa secunda familiae curculionidum. Seu descriptiones novorum quorundam generum curculionidum. Holmiae: Typis Norstedt et filii. pp. 86 pp. https://biodiversitylibrary.org/page/4822326. 
  21. ↑ Labram, J. David.; Imhoff, L. (1838). Singulorum Generum Curculionidum unam Alteramve speciem additis iconibus a David Labram ad Naturam Delineatis illustravit L. Imhoff. Die Gattung der Rüsselkäfer erlautert .... Basel: Schweighauser'sche Buchh. pp. 598. https://www.biodiversitylibrary.org/bibliography/48449. 
  22. ↑ Marshall, Guy A. K. (1922). "VI. On New Genera and Species of Neotropical Curculionidae." (in en). Transactions of the Royal Entomological Society of London 70 (1–2): 181–224. doi:10.1111/j.1365-2311.1922.tb02830.x. ISSN 1365-2311. https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-2311.1922.tb02830.x. 

External links

Wikidata ☰ Q16635269 entry




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