''Euryades corethrus'' is a

species A species () is often defined as the largest group of organisms in which any two individuals of the appropriate sexes or mating types can produce fertile offspring, typically by sexual reproduction. It is the basic unit of Taxonomy (biology), ...

butterfly Butterflies are winged insects from the lepidopteran superfamily Papilionoidea, characterized by large, often brightly coloured wings that often fold together when at rest, and a conspicuous, fluttering flight. The oldest butterfly fossi ...

from the

family Family (from ) is a Social group, group of people related either by consanguinity (by recognized birth) or Affinity (law), affinity (by marriage or other relationship). It forms the basis for social order. Ideally, families offer predictabili ...

Papilionidae Swallowtail butterflies are large, colorful Butterfly, butterflies in the family Papilionidae, and include over 550 species. Though the majority are tropical, members of the family inhabit every continent except Antarctica. The family includ ...

that is found in

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 ...

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 ...

Uruguay Uruguay, officially the Oriental Republic of Uruguay, is a country in South America. It shares borders with Argentina to its west and southwest and Brazil to its north and northeast, while bordering the Río de la Plata to the south and the A ...

, 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 ...

. ''E. corethrus'' is a tailless swallowtail. The male is much paler than '' duponcheli'' and semitransparent. The hind wing upperside has a band of yellow spots outside the red discal spots. The female is likewise paler than ''duponcheli'', the margin more narrowly black and the very pale red submarginal spots of the hindwing large, the discal row on the contrary replaced by black spots, only the last black spot is always dotted with reddish grey (often also the first and sometimes the next two as well). File:Macrolepidoptera15seit 0043.jpg , Seitz The larvae feed on '' Aristolochia sessilifolia'', '' Aristolochia fimbriata'', and other ''

Aristolochia ''Aristolochia'' () is a large plant genus with over 500 species that is the type genus of the family Aristolochiaceae. Its members are commonly known as birthwort, pipevine or Dutchman's pipe and are widespread and occur in the most diverse clim ...

'' species.Euryades at Funet
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References

*Edwin Möhn, 2002 ''Schmetterlinge der Erde, Butterflies of the world'' Part XIIII (14), Papilionidae VIII: Baronia, Euryades, Protographium, Neographium, Eurytides. Edited by Erich Bauer and Thomas Frankenbach Keltern: Goecke & Evers; Canterbury: Hillside Books. All species and subspecies are included, also most of the forms. Several females are shown the first time in colour. * *Lewis, H. L., 1974 ''Butterflies of the World'' Page 23, figure 8, female. *Grice, H., Nunez-Bustos, E., Mega, N., Dias, F.M.S., Rosa, A., Freitas, A.V.L. & Marini-Filho,O. 2019. Euryades corethrus (amended version of 2018 assessment). The IUCN Red List ofThreatened Species 2019: e.T160549A145166527. http://dx.doi.org/10.2305/IUCN.UK.2019-1.RLTS.T160549A145166527.en

External links

Insecta pro
Butterflies described in 1836 Euryades Papilionidae of South America Taxa named by Jean Baptiste Boisduval Lepidoptera of Brazil Lepidoptera of Argentina {{Papilionidae-stub