''Barbicornis'' is a

monotypic In biology, a monotypic taxon is a taxonomic group (taxon) that contains only one immediately subordinate taxon. A monotypic species is one that does not include subspecies or smaller, infraspecific taxa. In the case of genera, the term "unisp ...

butterfly

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

of the family

Riodinidae Riodinidae is the family of metalmark butterflies. The common name "metalmarks" refers to the small, metallic-looking spots commonly found on their wings. The 1,532 species are placed in 146 genera. Although mostly Neotropical in distribution, ...

with its single species ''Barbicornis basilis'' present in

Paraguay Paraguay, officially the Republic of Paraguay, is a landlocked country in South America. It is bordered by Argentina to the Argentina–Paraguay border, south and southwest, Brazil to the Brazil–Paraguay border, east and northeast, and Boli ...

Brazil Brazil, officially the Federative Republic of Brazil, is the largest country in South America. It is the world's List of countries and dependencies by area, fifth-largest country by area and the List of countries and dependencies by population ...

and

Argentina Argentina, officially the Argentine Republic, is a country in the southern half of South America. It covers an area of , making it the List of South American countries by area, second-largest country in South America after Brazil, the fourt ...

. The species is easily recognizable by the very small hindwings provided with a long apex of the tail on the lower radial (uppermost median) vein. The original description was published in ''

Encyclopédie Méthodique The ''Encyclopédie méthodique par ordre des matières'' () was published between 1782 and 1832 by the France, French publisher Charles Joseph Panckoucke, his son-in-law Henri Agasse, and the latter's wife, Thérèse-Charlotte Agasse. Arranged by ...

''. They drink early in the morning from wet stones and places on roads or tracks and rest during the day beneath leaves.

Subspecies

*''Barbicornis basilis basilis'' (Paraguay, Brazil: Espírito Santo, Rio de Janeiro) *''Barbicornis basilis acroleuca'' Berg, 1896 (Paraguay) *''Barbicornis basilis bahiana'' Azzará, 1978 (Brazil: Bahia) *''Barbicornis basilis ephippium'' Thieme, 1907 (Brazil: Rio Grande do Sul) *''Barbicornis basilis marginata'' Seitz, 1913 (Brazil: Bahia) *''Barbicornis basilis mona'' Westwood, 1851 (Paraguay, Brazil: Espírito Santo) *''Barbicornis basilis paraopeba'' Azzará, 1978 (Brazil: Minas Gerais) *''Barbicornis basilis tucumana'' Thieme, 1907 (Argentina)

Sources

''Barbicornis'' sur funet

External links

High resolution images of type specimens.
TOL
{{Taxonbar, from=Q1764201 Riodinidae Riodinidae of South America Monotypic butterfly genera Taxa named by Jean-Baptiste Godart Taxa described in 1824