''Oxyderces'' is a genus of broad-nosed weevils in the family

Curculionidae The Curculionidae are a family of weevils, commonly called snout beetles or true weevils. They are one of the largest animal families, with 6,800 genera and 83,000 species described worldwide. They are the sister group to the family Brentidae. T ...

distributed in

South America South America is a continent entirely in the Western Hemisphere and mostly in the Southern Hemisphere, with a relatively small portion in the Northern Hemisphere at the northern tip of the continent. It can also be described as the southe ...

. It can be recognized by the presence of dense setae on the apex of the rostrum and postocular setae.

Taxonomy

The genus was named for the first time by

Carl Johan Schönherr Carl Johan Schönherr (10 June 1772 – 28 March 1848) was a Swedish entomologist who revised the taxonomy of beetles, including weevils. Born in Stockholm, Schönherr was son of a German immigrant who had established himself as a silk manufact ...

in 1823 in column 1140. It belongs to the subfamily

Entiminae The Entiminae are a large subfamily in the weevil family Curculionidae, containing most of the short-nosed weevils, including such genera as ''Entimus'', ''Otiorhynchus'', ''Phyllobius'', ''Sitona'', and '' Pachyrrhynchus''. In comparison with ...

, tribe Eustylini. It belongs to the so-called "''Compsus'' genus complex". It has been proposed that ''Oxyderces'' is a

synonym A synonym is a word, morpheme, or phrase that means exactly or nearly the same as another word, morpheme, or phrase in a given language. For example, in the English language, the words ''begin'', ''start'', ''commence'', and ''initiate'' are all ...

of ''

Compsus ''Compsus'' is a genus of broad-nosed weevils in the family Curculionidae, distributed across the Americas, primarily in northern South America. Taxonomy The genus ''Compsus'' was first named by Carl Johan Schönherr in 1823: col. 1140. It ...

''.

Description

In 1922 Sir Guy A. K. Marshall described the genus ''Plococompsus'', which is currently a

of ''Oxyderces''. This reference presents a good diagnosis for the genus:

Distribution

''Oxyderces'' is known from

Argentina Argentina (), officially the Argentine Republic ( es, link=no, República Argentina), is a country in the southern half of South America. Argentina covers an area of , making it the second-largest country in South America after Brazil, th ...

Bolivia , image_flag = Bandera de Bolivia (Estado).svg , flag_alt = Horizontal tricolor (red, yellow, and green from top to bottom) with the coat of arms of Bolivia in the center , flag_alt2 = 7 × 7 square p ...

Brazil Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area ...

Colombia Colombia (, ; ), officially the Republic of Colombia, is a country in South America with insular regions in North America—near Nicaragua's Caribbean coast—as well as in the Pacific Ocean. The Colombian mainland is bordered by the Car ...

Ecuador Ecuador ( ; ; Quechua: ''Ikwayur''; Shuar: ''Ecuador'' or ''Ekuatur''), officially the Republic of Ecuador ( es, República del Ecuador, which literally translates as "Republic of the Equator"; Quechua: ''Ikwadur Ripuwlika''; Shuar: ''Eku ...

Paraguay Paraguay (; ), officially the Republic of Paraguay ( es, República del Paraguay, links=no; gn, Tavakuairetã Paraguái, links=si), is a landlocked country in South America. It is bordered by Argentina to the south and southwest, Brazil to th ...

Peru , image_flag = Flag of Peru.svg , image_coat = Escudo nacional del Perú.svg , other_symbol = Great Seal of the State , other_symbol_type = Seal (emblem), National seal , national_motto = "Fi ...

Venezuela Venezuela (; ), officially the Bolivarian Republic of Venezuela ( es, link=no, República Bolivariana de Venezuela), is a country on the northern coast of South America, consisting of a continental landmass and many islands and islets in th ...

;

Guadeloupe Guadeloupe (; ; gcf, label=Antillean Creole, Gwadloup, ) is an archipelago and overseas department and region of France in the Caribbean. It consists of six inhabited islands—Basse-Terre, Grande-Terre, Marie-Galante, La Désirade, and the ...

Martinique Martinique ( , ; gcf, label=Martinican Creole, Matinik or ; Kalinago: or ) is an island and an overseas department/region and single territorial collectivity of France. An integral part of the French Republic, Martinique is located in th ...

Species list

The following species have been assigned to this genus: # '' Oxyderces argentinicus'' (Heller, 1921: 28):

. # '' Oxyderces bimaculatus'' (Hustache, 1923: 290):

. # '' Oxyderces cinereus'' (Hustache, 1938: 110):

. # '' Oxyderces cretaceus'' (Fabricius, 1792: 452):

. # '' Oxyderces croesus'' (Faust, 1892: 11):

. # '' Oxyderces dubius'' (Voss, 1932: 40):

. # '' Oxyderces euchloris'' (Pascoe, 1880):

. # '' Oxyderces exaratus'' (Hustache, 1938: 111):

. # '' Oxyderces mansuetus'' Hustache, 1938: 109:

. # '' Oxyderces mirandus'' (Pascoe, 1880: 423):

. [synonyms: ''Oxyderces cicatricosus'' (Hustache, 1938), ''Oxyderces nigroundulatus'' (Hustache, 1938), ''Oxyderces texatus'' (Hustache, 1938) ] # ''Oxyderces sinuatocostatus'' (Hustache, 1938: 112):

. # ''

Oxyderces tarapotae ''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 The genus was named for t ...

'' (Hustache, 1938: 113):

. # '' Oxyderces viridiaeris'' (Hustache, 1938: 115):

. # '' Oxyderces viridipes'' (Boheman, 1840):

References

{{Taxonbar, from=Q14924342 Entiminae Weevil genera Neotropical realm fauna