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Anartia amathea

Anartia amathea

Princesa Roja

Family: Nymphalidae
Order: Lepidoptera
Class: Insecta
Phylum / Division: Arthropoda
Kingdom: Animalia

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Records from Colonia Carlos Pellegrini


Description


Features a highly striking wing morphology, characterized by a wingspan ranging from 3.5 to 4.5 centimeters. The dorsal surface of the wings displays a vivid contrast of dark tones, predominantly dark brown or black, highlighted by a highly conspicuous bright red transverse band that traverses both the forewings and hindwings. Additionally, a series of rounded white spots are intricately arranged near the apex and outer margins of the forewings. In stark contrast, the ventral side of the wings exhibits a much paler, cryptic pattern composed of shades of light brown, gray, and pale pink, which provides exceptional camouflage against predators when the insect rests with its wings folded vertically. The antennae are slender with well-defined knobs, and the forelegs are highly reduced, which is a characteristic feature of its taxonomic family.

Geographical distribution: Is widely distributed throughout the Neotropical region of the American continent. Its geographic range extends from southern Central America, including nations such as Panama, down across a vast portion of South America, where it is present in countries like Colombia, Venezuela, Ecuador, Peru, Bolivia, Paraguay, Uruguay, northern Argentina, and virtually the entirety of Brazil. It is also documented on southern Caribbean islands, most notably Trinidad and Tobago. This taxon is highly abundant in low-altitude humid zones, although it can occasionally be found on montane slopes of moderate elevation, generally remaining below 1,500 meters above sea level.

Habitat: Primarily inhabits disturbed ecosystems, transition zones, and anthropogenically modified environments. It is extremely common to encounter this species along tropical forest edges, secondary forests, wet pastures, forest clearings, abandoned agricultural fields, roadsides, and urban and suburban gardens. It displays a strong preference for open, sunny spaces that receive high levels of direct solar radiation, where wind speeds are moderate and there is a steady abundance of both host plants and nectar-producing flora. Its capability to thrive in fragmented landscapes makes it an exceptionally successful colonizer.

Feeding: In its adult stage, this insect is predominantly nectarivorous, visiting a wide variety of flowering plants and showing a marked preference for species within the Verbenaceae, Asteraceae, and Acanthaceae families. Among its primary nectar sources are flowers from the genera Lantana, Bidens, and Stachytarpheta. Conversely, during its larval or caterpillar stage, its diet is strictly folivorous, feeding selectively on the leaves of host plants, particularly within the genera Ruellia, Justicia, and Blechum, all members of the Acanthaceae family, which provide the essential nutrients required for rapid development and metamorphosis.

Behavior: Is distinguished as a highly heliophilic diurnal organism, with its peak activity strictly coinciding with the hours of maximum daily sunlight. Males exhibit a strong territorial and patrolling behavior, perching on strategic, sunlit spots on low foliage to monitor their surroundings and actively defend their territory from other males or intruders through swift, erratic aerial chases. It is common to observe individuals of both sexes engaged in wing-basking, or basking, fully spreading their wings on leaves to regulate their body temperature. Their flight pattern is characteristically low, erratic, and relatively swift, which helps them evade insectivorous avian predators.

Reproduction: The reproductive cycle commences with a dynamic aerial courtship during which the male pursues the female until she alights on vegetation. Following copulation, the female searches with high precision for the leaves of host plants belonging to the Acanthaceae family to deposit her eggs. These eggs are pale green or yellowish in color and are laid singly on the undersides of the leaves. The emerging caterpillars are shiny dark black, covered with branching, protective spines called scoli that serve as physical defenses against predators. The larval phase undergoes several instars before transitioning into a pale green or light brown chrysalis, which hangs vertically from a surface using a silk anchorage structure called a cremaster.

Conservation status: Is currently not evaluated on a global scale by the International Union for Conservation of Nature (IUCN) Red List of Threatened Species. Nevertheless, due to its exceptional adaptability to human-modified habitats, its vast geographical range, and the high density of its local populations throughout the Neotropics, it is considered a species of least concern in terms of practical biological conservation. Its survival is highly favored by the persistence of ruderal plants that serve as abundant food resources for both larval and adult stages.



Compilation and publication: EcoRegistros – 21/08/2026




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Page 1
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
150396704/11/2021ArgentinaCorrientesColonia Carlos Pellegrini, Colonia Carlos PellegriniHugo Alberto Valderrey
94928807/07/2019ArgentinaCorrientesSendero del Cerrito / de los Montes, Colonia Carlos PellegriniJorge Schlemmer
91273920/04/2019ArgentinaCorrientesColonia Carlos PellegriniJorge Omar Lanza
160055415/11/2018ArgentinaCorrientesEsteros del Iberá, Colonia Carlos PellegriniFernando Naifleisch
81882621/09/2018ArgentinaCorrientesSendero de montes y costa de la laguna, Parque Provincial Iberá, Colonia Carlos PellegriniLuis Carlos De Volder
76707308/06/2018ArgentinaCorrientesColonia Carlos Pellegrini1Gustavo Fernando Durán
77375806/06/2018ArgentinaCorrientesSendero de los Montes, Colonia Carlos PellegriniRoberto Battaglia
59356819/07/2017ArgentinaCorrientesSenderos y pasarela de la reserva, Colonia Carlos PellegriniRomán Montero
58253928/05/2017ArgentinaCorrientesColonia Carlos PellegriniGonzalo Clifton Goldney
49749318/10/2016ArgentinaCorrientesColonia Carlos PellegriniSilvio Lamothe
Page 1

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Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Anartia amathea – Species account. Accessed from www.ecoregistros.org on 14/09/2026.