Don't want to see ads? Sign up...




Ortilia ithra

Ortilia ithra

Bataraza

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

 Request change



Filters




Description


This is a medium-sized lepidopteran belonging to the family Nymphalidae, distinguished by the attractive chromatic pattern of its wings. Adults have a wingspan ranging from 35 to 45 millimeters, with subtle sexual dimorphism where females are typically slightly larger and display lighter tones than males. The dorsal surface of the wings features a dark brown to black background, on which striking orange bands are arranged transversely in the discal and postdiscal regions, accompanied by small white spots located near the apex of the forewings. In contrast, the ventral side exhibits a highly cryptic pattern with ochre, grayish, and brown tones that mimic the texture of a dry leaf, providing excellent camouflage against potential predators when the butterfly rests with its wings closed.

Geographical distribution: It is widely distributed throughout the temperate and subtropical regions of the Southern Cone of South America. Its geographic range covers central and southern Brazil (from states such as Minas Gerais and Rio de Janeiro down to Rio Grande do Sul), the entirety of Paraguay, the territory of Uruguay, and northeastern Argentina, spreading commonly through the provinces of Misiones, Corrientes, Entre Ríos, Santa Fe, and northeastern Buenos Aires, mainly following the basins of the Paraná and Uruguay rivers.

Habitat: It primarily occupies a wide variety of open and semi-open ecosystems, showing great ecological plasticity. It is commonly found along forest edges, gallery forests, clearings within native woodlands, humid savannas, shrubby grasslands, and anthropized areas such as urban gardens, public parks, and abandoned agricultural fields. It prefers environments with good solar exposure that maintain moderate humidity levels, conditions that favor the growth of its host plants.

Feeding: During its caterpillar stage, this insect exhibits a highly specialized phytophagous diet, feeding on plants of the Acanthaceae family, with a marked preference for the genera Ruellia and Justicia. Adults, on the contrary, have a generalist diet based on the absorption of liquids through their proboscis. They actively feed on the nectar of wild flowers, especially from the Asteraceae family, but they also supplement their nutrition through a behavior known as mud-puddling, absorbing mineral salts and moisture directly from damp soil, mud, decaying organic matter, and animal droppings.

Behavior: This diurnal insect exhibits active patterns strictly during daylight hours, being most active during peak solar radiation. It has a low flight, erratic and generally slow-paced, keeping close to the ground, although it is capable of accelerating rapidly if threatened. Males display strong territorial and perching behavior, positioning themselves on sun-exposed leaves at medium height to monitor their territory and detect receptive females. They engage in frequent thermoregulatory basking, resting with their wings fully spread on vegetation or stones to absorb heat before taking flight.

Reproduction: The life cycle begins with mating, after which the female deposits eggs in compact clusters on the underside of the host plants´ leaves to protect them from harsh weather. The eggs are spheroidal, with longitudinal ridges, and have a yellowish color that darkens before hatching. Upon hatching, the larvae are gregarious during their early instars, feeding together and sometimes spinning protective silk threads. Mature caterpillars possess branched spines along their bodies to deter predators. Eventually, they search for a sheltered site to pupate into a chrysalis, which hangs upside down by a cremaster, displaying a highly mimetic brown or grayish coloration.

Conservation status: It has not been formally evaluated globally by the International Union for Conservation of Nature (IUCN), so it is unofficially considered under the Least Concern (LC) category due to its wide distribution, local abundance, and capacity to adapt to human-modified environments. Nevertheless, local populations can be affected by the accelerated loss of natural habitat, uncontrolled urbanization, and the indiscriminate use of herbicides that eliminate the vital host plants required for the development of their larval stages.



Compilation and publication: EcoRegistros – 18/07/2026




Geographic distribution


Loading map...


Latest feeding records

Feeding on...




Species photographs

Count: 603

Foto
Photography ID: 708876
  Adult

Parque Nacional Iguazú
Misiones
Argentina
07/23/2016
Andrea Casaburi
Foto
Photography ID: 708661
  Adult

Matheu
Buenos Aires
Argentina
09/19/2026
Diego Alfonso Rosa
Foto
Photography ID: 708595
  Adult

El Cantadero
La Rioja
Argentina
11/28/2024
Ramón Vera
Foto
Photography ID: 703472
  Adult

Chapada dos Guimaraes
Mato Grosso
Brazil
08/30/2026
Hugo Caverzasi
Foto
Photography ID: 686631
  Adult

Alunail@nds
La Rioja
Argentina
05/06/2026
Ramón Vera
Foto
Photography ID: 686625
  Adult

Alunail@nds
La Rioja
Argentina
05/06/2026
Ramón Vera
Foto
Photography ID: 686222
  Adult

Chorro de San Ignacio
San Luis
Argentina
05/04/2026
Hugo Alberto Valderrey
Foto
Photography ID: 682845
  Adult

Tandil
Buenos Aires
Argentina
04/17/2026
Liliana Rubilar Puerta



 View all photographs of the species




 Add a photography of this species






Species vocalizations

Count: 1


IDAudio playerUserDateCountryProvincePlaceSexLife stageIt was observedDetails
ER-6510Gustavo Fernando Durán10/04/2026ArgentinaSanta FeVía Sin NombreN/AAdultYesNo


 Add an audio of this species





Species videos

Count: 9





 Ver todos los videos de la especie




 Add a film of this species





Species reports



 Detail of places sorted by number of records






Species records

Count: 1536



Page 1 of 154
Record IDDateExact timeCountryProvince / departmentPlaceFilmedPhotographedRecorded vocalObservedHeardWounded or deadNumber of individualsUser or BibliographyDetail
254016904/10/202612:16ArgentinaSanta FeRuta Provincial 50S1Gustavo Fernando Durán
254007904/10/202611:11ArgentinaSanta FeVía Sin Nombre1Gustavo Fernando Durán
254002504/10/202610:44ArgentinaSanta FeVía Sin Nombre1Gustavo Fernando Durán
254001204/10/202610:12ArgentinaSanta FeVía Sin Nombre1Gustavo Fernando Durán
253549627/09/202617:05ArgentinaSanta FeSarmiento 383, San Jerónimo Norte1Gustavo Fernando Durán
253530627/09/202610:02ArgentinaSanta FeRuta sin nombrar1Gustavo Fernando Durán
254300619/09/2026ArgentinaBuenos AiresMatheuDiego Alfonso Rosa
252653213/09/202610:18ArgentinaMisionesRuta Nacional 101 - Tierra colorada, Parque Nacional Iguazú1Gustavo Fernando Durán
252507008/09/202614:46ArgentinaMisionesParque Federal Campo San Juan1Gustavo Fernando Durán
252207406/09/202612:03ArgentinaSanta FeRuta sin nombrar2Gustavo Fernando Durán
Page 1 of 154

 Add a record of this species

📖
Recommended citation
Please use the following reference when citing this species account.
EcoRegistros. 2026. Ortilia ithra – Species account. Accessed from www.ecoregistros.org on 11/10/2026.