''Alesa'' is a New World (

Neotropical realm The Neotropical realm is one of the eight biogeographic realms constituting Earth's land surface. Physically, it includes the tropical terrestrial ecoregions of the Americas and the entire South American temperate zone. Definition In bi ...

)

genus Genus ( plural genera ) is a taxonomic rank used in the biological classification of living and fossil organisms as well as viruses. In the hierarchy of biological classification, genus comes above species and below family. In binomial n ...

of metalmark butterflies found in northern South America. This genus is distinguished by a vast

sexual dimorphism Sexual dimorphism is the condition where the sexes of the same animal and/or plant species exhibit different morphological characteristics, particularly characteristics not directly involved in reproduction. The condition occurs in most an ...

receding somewhat only in one species. The body is slender, the head is broad and slanting, with a flat forehead and closely appressed (flattened) short palpi. The antennae are very long, only slightly thickened at their ends. The abdomen is long, in the male thin, in the female stout, but likewise stretched. The forewings are long with a very oblique distal margin. The hindwings are round, especially in the female. Cells of all the wings closed, the upper radial originates with the 3rd subcostal vein from the same place. Colouring of the females is earthy brown, that of the males varying, but with a metallic lustre.

Species

Listed alphabetically:''Alesa''
funet.fu *''

Alesa amesis ''Alesa'' is a New World (Neotropical realm) genus of metalmark butterflies found in northern South America. This genus is distinguished by a vast sexual dimorphism receding somewhat only in one species. The body is slender, the head is broad a ...

'' (Cramer, 1777) – Amesis metalmark – present in

French Guiana French Guiana ( or ; french: link=no, Guyane ; gcr, label=French Guianese Creole, Lagwiyann ) is an overseas departments and regions of France, overseas department/region and single territorial collectivity of France on the northern Atlantic ...

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

, Guyana, Colombia,

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 ...

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 ...

and

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 ...

. *'' Alesa fournierae'' Lathy, 1958 present in Brazil. *'' Alesa hemiurga'' Bates, 1867 – hemiurga metalmark – present in Brazil. *'' Alesa lipara'' Bates, 1867 – Lipara metalmark – present in Brazil. *'' Alesa prema'' (Godart,

824 __NOTOC__ Year 824 ( DCCCXXIV) was a leap year starting on Friday (link will display the full calendar) of the Julian calendar. Events By place Europe * November 11 – The '' Constitutio Romana'' establishes the authority of the ...

– Prema metalmark – present in Colombia, Venezuela and

Trinidad and Tobago Trinidad and Tobago (, ), officially the Republic of Trinidad and Tobago, is the southernmost island country in the Caribbean. Consisting of the main islands Trinidad and Tobago, and numerous much List of islands of Trinidad and Tobago, small ...

. Male of a magnificent emerald green, in another light of a deep blue reflection, with black markings. Female similar to ''A. telephae'', larger, the eyespots of the hindwings and some spots near the base of the forewing with metallic pupils. *''

Alesa rothschildi ''Alesa'' is a New World (Neotropical realm) genus of metalmark butterflies found in northern South America. This genus is distinguished by a vast sexual dimorphism receding somewhat only in one species. The body is slender, the head is broad a ...

'' (Seitz,

917 __NOTOC__ Year 917 ( CMXVII) was a common year starting on Wednesday (link will display the full calendar) of the Julian calendar. Events By place Byzantine Empire * August 20 – Battle of Achelous: A Byzantine expeditionary fo ...

present in French Guiana and Guyana. Male above with a black lattice-like marking, with golden-green spots, the marginal spots guttiform (shaped like a

drop Drop, DROP, drops or DROPS may refer to: * Drop (liquid) or droplet, a small volume of liquid ** Eye drops, saline (sometimes mydriatic) drops used as medication for the eyes * Drop (unit), a unit of measure of volume * Falling (physics), allowi ...

). Female above black except the distal half of the forewing in which there is a white oblique band, and the margin of the hindwing of a blue gloss. *''

Alesa telephae ''Alesa'' is a New World (Neotropical realm) genus of metalmark butterflies found in northern South America. This genus is distinguished by a vast sexual dimorphism receding somewhat only in one species. The body is slender, the head is broad a ...

'' (Boisduval, 1836) – Telephae metalmark – present in French Guiana and Brazil. *''

Alesa thelydrias ''Alesa'' is a New World (Neotropical realm) genus of metalmark butterflies found in northern South America. This genus is distinguished by a vast sexual dimorphism receding somewhat only in one species. The body is slender, the head is broad a ...

'' Bates, 1867 present in Brazil.

References

External links

TOL
Riodininae Riodinidae of South America Butterfly genera Taxa named by Edward Doubleday {{Riodinidae-stub