Oxyderces

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Oxyderces
Head of Oxyderces sp.
Scientific classification
Kingdom:
Animalia
Phylum:
Arthropoda
Class:
Insecta
Order:
Coleoptera
Family:
Curculionidae
Subfamily:
Entiminae
Tribe:
Eustylini
Genus:
Oxyderces

Oxyderces is a genus of broad-nosed weevils in the family Curculionidae distributed in South America. It can be recognized by the presence of dense setae on the apex of the rostrum and postocular setae.

Taxonomy[edit]

The genus was named for the first time by Carl Johan Schönherr in 1823 in column 1140.[1] It belongs to the subfamily Entiminae, tribe Eustylini.

It belongs to the so-called "Compsus genus complex". It has been proposed that Oxyderces is a synonym of Compsus.[2]

Description[edit]

In 1922 Sir Guy A. K. Marshall described the genus Plococompsus,[3] which is currently a synonym of Oxyderces.[4][5] This reference presents a good diagnosis for the genus:

This genus is proposed for a small homogeneous group of species of Compsus that are characterised especially by the presence of postocular vibrissae on the prothorax. Other characters are as follows: Scrobes narrow, curved downwards, but the upper edge attaining about the middle of the eye, so that the scape at rest passes across the lower half of the eye; the bare part of the scrobe not sharply defined, but gradually clothed with scales behind; epistomal setae very long and dense; scape not or only slightly exceeding the eye, comparatively slender, clavate, squamose, with the scales not overlapping; mentum with a group of setae on each side; insects with functional wings.

— Guy A. K. Marshall, VI. On new genera and species of Neotropical Curculionidae., p. 201

Distribution[edit]

Oxyderces is known from Argentina, Bolivia, Brazil, Colombia, Ecuador, Paraguay, Peru, Venezuela; Guadeloupe, Martinique.[4]

Species list[edit]

The following species have been assigned to this genus:[5]

  1. Oxyderces argentinicus (Heller, 1921: 28):[6] Argentina.
  2. Oxyderces bimaculatus (Hustache, 1923: 290):[7] Argentina, Bolivia.
  3. Oxyderces cinereus (Hustache, 1938: 110):[8] Ecuador.
  4. Oxyderces cretaceus (Fabricius, 1792: 452):[9] Guadeloupe, Martinique.
  5. Oxyderces croesus (Faust, 1892: 11):[10] Venezuela.
  6. Oxyderces dubius (Voss, 1932: 40):[11] Paraguay.
  7. Oxyderces euchloris (Pascoe, 1880):[12] Peru.
  8. Oxyderces exaratus (Hustache, 1938: 111):[8] Colombia.
  9. Oxyderces mansuetus Hustache, 1938: 109:[8] Argentina.
  10. Oxyderces mirandus (Pascoe, 1880: 423):[12] Colombia, Ecuador. [synonyms:[13][5] Oxyderces cicatricosus (Hustache, 1938),[8] Oxyderces nigroundulatus (Hustache, 1938),[8] Oxyderces texatus (Hustache, 1938) [8]]
  11. Oxyderces sinuatocostatus (Hustache, 1938: 112):[7] Brazil.
  12. Oxyderces tarapotae (Hustache, 1938: 113):[8] Peru.
  13. Oxyderces viridiaeris (Hustache, 1938: 115):[8] Colombia.
  14. Oxyderces viridipes (Boheman, 1840):[14][2] Colombia.

References[edit]

  1. ^ Schönherr, C. J. (1823). Curculionides [Tabula synoptica familiae Curculionidum]. Vol. 1823. Isis von Oken. pp. 1132–1146.
  2. ^ a b Girón, J. C.; Chamorro, M. L. (2020-09-07). "Variability and distribution of the golden-headed weevil Compsus auricephalus (Say) (Curculionidae: Entiminae: Eustylini)". Biodiversity Data Journal. 8: e55474. doi:10.3897/BDJ.8.e55474. ISSN 1314-2828. PMC 7365837. PMID 32733144.
  3. ^ Marshall, Guy A. K. (1922). "VI. On New Genera and Species of Neotropical Curculionidae". Transactions of the Entomological Society of London. 70 (1–2): 181–224. doi:10.1111/j.1365-2311.1922.tb02830.x.
  4. ^ a b 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.
  5. ^ a b c 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.
  6. ^ Heller, K. M. (1921). "Nuevos Curculiónidos de la Argentina". Anales de la Sociedad Científica Argentina. 91: 19–35.
  7. ^ a b Hustache, A. (1923). "Curculionides de l'exploration Lizer-Deletang au Chaco Bolivien". Anales de la Sociedad Científica Argentina. 96: 279–300.
  8. ^ a b c d e f g h Hustache, A. (1938). "Compsus sud-américains (Coleoptera Curculionidae)". Bulletin de la Société Entomologique de Belgique. 78: 67–118.
  9. ^ Fabricius, J. C. (1792). Entomologia systematica emandata et aucta. Secundum classes, ordines, genera, species adjectis synonimis, locis, observationibus descriptionibus. Vol. 1. Hafniae: impensis Christ. Gottl. Proft. p. 538.
  10. ^ Faust, J. (1892). "Reise von E. Simon in Venezuela. Curculionidae. Pars prima". Entomologische Zeitung. 53: 1–44.
  11. ^ Voss, E. (1932). "Unbeschriebene neotropische Curculioniden. I. (35. Beitrag zur Kenntnis der Curculioniden)". Revista de entomologia. Rio de Janeiro. 2 (1): 33–43.
  12. ^ a b Pascoe, F. P. (1880). "New Neotropical Curculionidae. Part I". The Annals and Magazine of Natural History. 5 (29): 419–428. doi:10.1080/00222938009459433.
  13. ^ Kuschel, G. (1955). "Nuevas sinonimias y anotaciones sobre Curculionoidea" (PDF). Revista Chilena de Entomología. 4: 261–312.
  14. ^ Schoenherr, C. J.; Boheman, C. H.; Fåhraeus, Olof Immanuel; Gyllenhal, L. (1833). Genera et species Curculionidum, cum synonymia hujus familae species novae. Paris: Roret. p. 474.
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