Eustylus

Eustylus is a neotropical genus of broad-nosed weevils in the subfamily Entiminae, tribe Eustylini.[1]

Eustylus
Dorsal view of Eustylus
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Family:
Curculionidae
Subfamily:
Entiminae
Tribe:
Eustylini
Genus:
Eustylus

Taxonomy

Eustylus was described for the first time by Carl Johan Schönherr in 1843 (p. 40).[2] The Central American species were treated by Champion.[3] Marshall 1916 offers a key to most species.[4]

Description

One of the most salient features of Eustylus is its broad antennal scape, densely and uniformly covered by scales (see Fig. 7F in Girón 2020 [5]). Some species bear a spine on the inner margin of the profemur, which is unusual for eustylines. Most species are uniformly covered by brown scales forming different patterns; metallic green species are also found.

Distribution

The genus Eustylus ranges from Mexico to Paraguay, with some species represented in the Caribbean[1][6][7]

List of species

Eustylus contains 26 described species:[6][7]

  1. Eustylus aequus Marshall, 1916: 464:[4] Brazil.
  2. Eustylus bodkini Marshall, 1916: 456:[4] Colombia, Guyana, Venezuela.
  3. Eustylus chiriquensis Champion, 1911: 294:[3] Panama.
  4. Eustylus cinericius Champion, 1911: 296:[3] Guatemala.
  5. Eustylus ephippiatus Marshall, 1916: 458:[4] Colombia.
  6. Eustylus funicularis Kirsch, 1874: 390:[8] Bolivia, Peru.
  7. Eustylus grypsatus Boheman, 1843: 27:[2] Mexico.
  8. Eustylus hybridus Rosenschoeld, 1840: 200:[9] Guadeloupe, Saint Lucia.
  9. Eustylus inclusus Marshall, 1916: 461:[4] Brazil.
  10. Eustylus magdalenae Marshall, 1926: 536:[10] Colombia.
  11. Eustylus obliquefasciatus Marshall, 1916: 455:[4] Venezuela.
  12. Eustylus puber Olivier, 1807: 367:[11] Colombia, French Guiana, Guyana, Trinidad, Venezuela.
  13. Eustylus quadrigibbus Champion, 1911: 292:[3] Mexico.
  14. Eustylus ruptus Champion, 1911: 293:[3] Costa Rica, Panama.
  15. Eustylus scapularis Marshall, 1916: 464:[4] Brazil.
  16. Eustylus setipennis Champion, 1911: 292:[3] Guatemala.
  17. Eustylus sexguttatus Champion, 1911: 291:[3] Panama.
  18. Eustylus simplex Marshall, 1916: 460:[4] Colombia.
  19. Eustylus simulatus Marshall, 1916: 459:[4] Colombia.
  20. Eustylus sordidus Marshall, 1916: 460:[4] Colombia.
  21. Eustylus striatus Boheman, 1843: 42:[2] Mexico.
  22. Eustylus subapterus Champion, 1911: 295:[3] Guatemala, Mexico.
  23. Eustylus subfasciatus Voss, 1932: 40:[12] Paraguay.
  24. Eustylus subguttatus Marshall, 1916: 462:[4] Brazil.
  25. Eustylus subuittatus Marshall, 1916: 457:[4] Venezuela.
  26. Eustylus veraepacis Champion, 1911: 294:[3] Guatemala.

References
  1. Alonso-Zarazaga, M. A.; Lyal, C. H. C. (1999). A world catalogue of families and genera of Curculionoidea (Insecta: Coleoptera) excluding Scolytidae and Platypodidae (PDF). Barcelona, Spain: Entomopraxis. pp. 315 pp.
  2. Schönherr, C. J. (1843). 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. Paris: Roret. p. 461.
  3. Sharp, D.; Champion, G. C. (1911). Sharp D, Champion GC () Biologia Centrali-Americana. Insecta. Coleoptera. Rhynchophora. Volume 4, part 3. London: R. H. Porter. pp. 354 pp. + 15 pl.
  4. Marshall, G.A.K. (1916). "On new Neotropical Curculionidae". The Annals and Magazine of Natural History. 8: 449–469. doi:10.1080/00222931609486900.
  5. Girón, Jennifer C. (2020-12-30). "Status of knowledge of the broad-nosed weevils of Colombia (Coleoptera, Curculionidae, Entiminae)". Neotropical Biology and Conservation. 15 (4): 583–674. doi:10.3897/neotropical.15.e59713. ISSN 2236-3777. S2CID 231708108.
  6. 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.
  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. Kirsch, T. (1874). "Beiträge zur Kenntniss der Peruanischen Käferfauna auf Dr. Abendroth's Sammlungen basirt. (Drittes Stück.)". Berliner Entomologische Zeitschrift. 18: 385–432. doi:10.1002/mmnd.18740180324.
  9. Schönherr, C.J. (1840). 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 prima. Paris: Roret. pp. 474 pp.
  10. Marshall, Guy A.K. (1926-11-01). "LXVI.—On new Neotropical Curculionidæ (Col.)". Annals and Magazine of Natural History. 18 (107): 530–543. doi:10.1080/00222932608633549. ISSN 0374-5481.
  11. Olivier, G. A. (1807). Entomologie, ou, Histoire naturelle des insectes: avec leurs caractères génériques et spécifiques, leur description, leur synonymie, et leur enluminée. Vol. 5. Paris: De l'Imprimerie de Baudoin. p. 612.
  12. Voss, E. (1932). "Unbeschriebene neotropische Curculioniden. I. (35. Beitrag zur Kenntnis der Curculioniden)". Revista de entomologia. Rio de Janeiro. 2: 33–43.
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