{{short description|Tribe of beetles}} {{Automatic taxobox | image = Compsus auricephalus (43615805142).jpg | image_caption = ''Compsus auricephalus'' | taxon = Eustylini | authority = Lacordaire, 1863 | subdivision = See text }}
'''Eustylini''' is a primarily Neotropical weevil tribe in the subfamily Entiminae.<ref name=":0">{{Cite book|last1=Alonso-Zarazaga|first1=M. A.|url=https://weevil.myspecies.info/sites/weevil.info/files/Alonso-Zarazaga%20%26%20Lyal,%201999_World%20Catalogue%20%28searchable%29.pdf|title=A world catalogue of families and genera of Curculionoidea (Insecta: Coleoptera) excluding Scolytidae and Platypodidae|last2=Lyal|first2=C. H. C.|publisher=Entomopraxis|year=1999|location=Barcelona, Spain|pages=315 pp}}</ref>
== Taxonomy == The tribe '''Eustylini''' was named for the first time by Jean-Baptiste Henri Lacordaire in 1863,<ref name=":3">{{Cite book|last=Lacordaire|first=T.|url=https://biodiversitylibrary.org/page/9375856|title=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.|publisher=Roret|year=1863|location=Paris|pages=637 pp}}</ref> 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<!--Q20857723-->.<ref name=":1">{{Cite journal|last1=Wibmer|first1=G. J.|last2=O’Brien|first2=C. W.|date=1986|title=Annotated checklist of the weevils (Curculionidae sensu lato) of South America (Coleoptera: Curculionoidea)|journal=Memoirs of the American Entomological Institute|volume=39|pages=1–563}}</ref><ref name=":0" /> The latest additions were made by Franz in 2012 by transferring former members of other tribes including Geonemini, Phyllobiini, and Tanymecini.<ref name=":2">{{Cite journal|last=Franz|first=Nico M.|date=2012|title=Phylogenetic reassessment of the Exophthalmus genus complex (Curculionidae: Entiminae: Eustylini, Geonemini)|journal=Zoological Journal of the Linnean Society|volume=164|issue=3|pages=510–557|doi=10.1111/j.1096-3642.2011.00774.x|issn=0024-4082|doi-access=free}}</ref>
The type species of some genera (''Compsus'', ''Diaprepes'', ''Eustylus'', ''Exorides'', and ''Exophthalmus'') were redescribed by Franz.<ref>{{Cite journal|last=Franz|first=Nico M.|date=2009|title=Redescriptions of critical type species in the Eustylini Lacordaire (Coleoptera: Curculionidae: Entiminae)|url=http://www.tandfonline.com/doi/abs/10.1080/00222930903383495|journal=Journal of Natural History|language=en|volume=44|issue=1–2|pages=41–80|doi=10.1080/00222930903383495|s2cid=3579230 |issn=0022-2933|url-access=subscription}}</ref> Most species of '''Eustylini''' are only known from their original descriptions.<ref name=":8">{{Cite journal|last=Girón|first=Jennifer C.|date=2020|title=Status of knowledge of the broad-nosed weevils of Colombia (Coleoptera, Curculionidae, Entiminae)|url=https://neotropical.pensoft.net/article/59713/|journal=Neotropical Biology and Conservation|language=en|volume=15|pages=583–674|issue=4|doi=10.3897/neotropical.15.e59713|s2cid=231708108 |issn=2236-3777|doi-access=free}}</ref>
== Description == A diagnosis for the tribe was offered by Girón 2020:<ref name=":8" /> {{Blockquote|text=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'').|author=J.C. Girón|title=Status of knowledge of the broad-nosed weevils of Colombia (Coleoptera, Curculionidae, Entiminae).}} [[File:Eustylini.png|center|thumb|699x699px|Heads in dorsal view: '''A''' ''Exophthalmus'' '''B''' ''Synthlibonotus'' '''C''' ''Exorides'' '''D''' ''Eustylus'' with characteristic broad antennal scape.]]
== Distribution == '''Eustylini''' ranges from south-western USA to Argentina, with its highest diversity in the Caribbean, Central America and northern South America.<ref name=":0" /><ref name=":1">{{Cite journal|last1=Wibmer|first1=G. J.|last2=O’Brien|first2=C. W.|date=1986|title=Annotated checklist of the weevils (Curculionidae sensu lato) of South America (Coleoptera: Curculionoidea)|journal=Memoirs of the American Entomological Institute|volume=39|pages=1–563}}</ref><ref>{{Cite journal|last1=O’Brien|first1=C.W.|last2=Wibmer|first2=G.J.|date=1982|title=Annotated checklist of the weevils (Curculionidae sensu lato) of North America, Central America, and the West Indies (Coleoptera: Curculionoidea)|journal=Memoirs of the American Entomological Institute|volume=34|pages=1–382}}</ref>
== Genera == The tribe '''Eustylini''' currently includes 25 genera and 339 sdescribed species:<ref name=":1" /><ref name=":2" />{{columns-list|colwidth=22em| * ''Achrastenus'' <small>Horn, 1876</small> <ref>{{Cite journal|last1=LeConte|first1=John L.|last2=Horn|first2=George H.|date=1876|title=The Rhynchophora of America, North of Mexico|url=https://www.jstor.org/stable/982412|journal=Proceedings of the American Philosophical Society|volume=15|issue=96|pages=vii–442|jstor=982412 |issn=0003-049X}}</ref> * ''Anidius'' <small>Kuschel, 1955</small> <ref name=":4">{{Cite journal|last=Kuschel|first=G.|date=1955|title=Nuevas sinonimias y anotaciones sobre Curculionoidea|url=http://www.insectachile.cl/rchen/pdfs/1955v04/Kuschel_1955b.pdf|journal=Revista Chilena de Entomología|volume=4|pages=261–312}}</ref> * ''Brachyomus'' <small>Lacordaire, 1863</small> <ref name=":3" /> * ''Brachystylus'' <small>Schönherr, 1845</small> <ref>{{Cite book|last1=Schönherr|first1=C. J.|url=https://www.biodiversitylibrary.org/item/24772|title=Genera et species Curculionidum, cum synonymia hujus familae species novæ|last2=Boheman|first2=C. H.|last3=Fåhraeus|first3=Olof Immanuel|last4=Gyllenhal|first4=L.|publisher=Roret|year=1845|volume=8|location=Paris|pages=504}}</ref> * ''Chauliopleurus'' <small>Champion, 1911</small> <ref name=":5">{{Cite book|last1=Sharp|first1=D.|url=https://biodiversitylibrary.org/page/581470|title=Biologia Centrali-Americana. Insecta. Coleoptera. Volume 4. part 3. Rhynchophora. Curculionidae|last2=Champion|first2=G.C.|publisher=R. H. Porter|year=1911|location=London|pages=354 pp. + 15 pl}}</ref> * ''Compsoricus'' <small>Franz, 2012</small> <ref name=":2" /> * ''Coconotus'' <small>Anderson & Lanteri, 2002</small> <ref name=":6">{{Cite journal|last1=Anderson|first1=Robert S.|last2=Lanteri|first2=Analia A.|date=2000|title=New genera and species of weevils from the Galapagos Islands, Ecuador, and Cocos Island, Costa Rica (Coleoptera; Curculionidae; Entiminae; Entimini)|url=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|journal=American Museum Novitates|issue=3299|pages=1–15|doi=10.1206/0003-0082(2000)299<0001:NGASOW>2.0.CO;2|s2cid=55544499 |issn=0003-0082}}</ref> * ''Compsus'' <small>Schönherr, 1823</small> <ref name=":7">{{Cite book|last=Schönherr|first=C. J.|url=https://www.biodiversitylibrary.org/item/47603|title=Curculionides [Tabula synoptica familiae Curculionidum]|publisher=Isis von Oken|year=1823|location=Jena|pages=1132–1146}}</ref> * ''Diaprepes'' <small>Schönherr, 1823</small> ''<ref name=":7">{{Cite book|last=Schönherr|first=C. J.|url=https://www.biodiversitylibrary.org/item/47603|title=Curculionides [Tabula synoptica familiae Curculionidum]|publisher=Isis von Oken|year=1823|location=Jena|pages=1132–1146}}</ref>'' * ''Eustylus'' <small>Schönherr, 1842</small> <ref>{{Cite book|last=Schönherr|first=C.J.|url=https://www.biodiversitylibrary.org/page/4115130|title=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|publisher=Roret|year=1842|location=Paris|pages=495 pp}}</ref> * ''Exophthalmus'' <small>Schönherr, 1823</small> ''<ref name=":7">{{Cite book|last=Schönherr|first=C. J.|url=https://www.biodiversitylibrary.org/item/47603|title=Curculionides [Tabula synoptica familiae Curculionidum]|publisher=Isis von Oken|year=1823|location=Jena|pages=1132–1146}}</ref>'' * ''Exorides'' <small>Pascoe, 1881</small> <ref>{{Cite journal|last=Pascoe|first=Francis P.|date=1881-01-01|title=VI.—New neotropical Curculionidæ.—Part IV|url=https://doi.org/10.1080/00222938109459470|journal=Annals and Magazine of Natural History|volume=7|issue=37|pages=38–45|doi=10.1080/00222938109459470|issn=0374-5481}}</ref> * ''Galapagonotus'' <small>Anderson & Lanteri, 2002</small> <ref name=":6">{{Cite journal|last1=Anderson|first1=Robert S.|last2=Lanteri|first2=Analia A.|date=2000|title=New genera and species of weevils from the Galapagos Islands, Ecuador, and Cocos Island, Costa Rica (Coleoptera; Curculionidae; Entiminae; Entimini)|url=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|journal=American Museum Novitates|issue=3299|pages=1–15|doi=10.1206/0003-0082(2000)299<0001:NGASOW>2.0.CO;2|s2cid=55544499 |issn=0003-0082}}</ref> * ''Oxyderces'' <small>Schönherr, 1823</small> ''<ref name=":7">{{Cite book|last=Schönherr|first=C. J.|url=https://www.biodiversitylibrary.org/item/47603|title=Curculionides [Tabula synoptica familiae Curculionidum]|publisher=Isis von Oken|year=1823|location=Jena|pages=1132–1146}}</ref>'' * ''Pachnaeus'' <small>Schönherr, 1826</small> <ref>{{Cite book|last=Schönherr|first=C.J.|url=https://biodiversitylibrary.org/page/9877808|title=IV Curculionidum dispositio methodica cum generum characteribus, descriptionibus atque observationibus variis seu Prodromus ad Synonymiae Insectorum|publisher=Apud Fridericum Fleischer|year=1826|location=Lipsiae}}</ref> * ''Parthenides'' <small>Kuschel, 1986</small> <ref name=":1" /> * ''Phaops'' <small>Sahlberg, 1823</small> <ref>{{Cite book|last=Sahlberg|first=C.R.|url=https://www.biodiversitylibrary.org/page/10990686|title=Periculi entomographici, species insectorum nondum descriptas proposituri, fasciculus|publisher=Frenckel|year=1823|location=Aboae|pages=82 pp}}</ref> * ''Phaopsis'' <small>Kuschel, 1955</small> ''<ref name=":4">{{Cite journal|last=Kuschel|first=G.|date=1955|title=Nuevas sinonimias y anotaciones sobre Curculionoidea|url=http://www.insectachile.cl/rchen/pdfs/1955v04/Kuschel_1955b.pdf|journal=Revista Chilena de Entomología|volume=4|pages=261–312}}</ref>'' * ''Pseudeustylus'' <small>Champion, 1911</small> ''<ref name=":5">{{Cite book|last1=Sharp|first1=D.|url=https://biodiversitylibrary.org/page/581470|title=Biologia Centrali-Americana. Insecta. Coleoptera. Volume 4. part 3. Rhynchophora. Curculionidae|last2=Champion|first2=G.C.|publisher=R. H. Porter|year=1911|location=London|pages=354 pp. + 15 pl}}</ref>'' * ''Rhinospathe'' <small>Chevrolat, 1878</small> <ref>{{Cite journal|last=Chevrolat|first=L.A.A.|date=1878|title=(donne la description d'un genre de Curculionidae)|url=https://www.biodiversitylibrary.org/page/8233069|journal=Annales de la Société Entomologique de France |series=Cinquième Série|volume=Tome huitième|pages=IX–X}}</ref> * ''Simophorus'' <small>Faust, 1892</small> <ref>{{Cite journal|last=Faust|first=J.|date=1892|title=Reise von E. Simon in Venezuela. Curculionidae. Pars prima|url=https://biodiversitylibrary.org/page/9266298|journal=Stettiner Entomologische Zeitung|volume=53|pages=1–44}}</ref> * ''Synthlibonotus'' <small>Schönherr, 1847</small> <ref>{{Cite book|last=Schönherr|first=C.J.|url=https://biodiversitylibrary.org/page/4822326|title=Mantissa secunda familiae curculionidum. Seu descriptiones novorum quorundam generum curculionidum|publisher=Typis Norstedt et filii|year=1847|location=Holmiae|pages=86 pp}}</ref> * ''Tetrabothynus'' <small>Labram & Imhoff, [1852]</small> <ref>{{Cite book|last1=Labram|first1=J. David.|url=https://www.biodiversitylibrary.org/bibliography/48449|title=Singulorum Generum Curculionidum unam Alteramve speciem additis iconibus a David Labram ad Naturam Delineatis illustravit L. Imhoff. Die Gattung der Rüsselkäfer erlautert ...|last2=Imhoff|first2=L.|date=1838|publisher=Schweighauser'sche Buchh|location=Basel|pages=598}}</ref> * ''Tropirhinus'' <small>Schönherr, 1823</small> ''<ref name=":7">{{Cite book|last=Schönherr|first=C. J.|url=https://www.biodiversitylibrary.org/item/47603|title=Curculionides [Tabula synoptica familiae Curculionidum]|publisher=Isis von Oken|year=1823|location=Jena|pages=1132–1146}}</ref>'' * ''Xestogaster'' <small>Marshall, 1922</small> <ref>{{Cite journal|last=Marshall|first=Guy A. K.|date=1922|title=VI. On New Genera and Species of Neotropical Curculionidae.|url=https://onlinelibrary.wiley.com/doi/abs/10.1111/j.1365-2311.1922.tb02830.x|journal=Transactions of the Royal Entomological Society of London|language=en|volume=70|issue=1–2|pages=181–224|doi=10.1111/j.1365-2311.1922.tb02830.x|issn=1365-2311}}</ref> }}
== References == {{Reflist}}
== External links == <!-- *{{commonscat-inline}} --> *{{Wikispecies-inline}}
{{Taxonbar|from=Q16635269}}
Category:Entiminae