Вид

Adult

The adult of C. cryptica closely resembles C. annulata and C. dirce, sharing the genus's characteristic intricate black patterning on a cream-colored ventral wing surface, which is thought to function as cryptic coloration mimicking tree bark. Forewing length in males averages 38 mm (range 36–40 mm). The key diagnostic character on the adult is on the ventral forewing: the third dark brown submarginal line from the distal margin does not cross vein M3, or if it crosses it, it is faded and terminates in the middle of cell M3–CuA1. In C. annulata, this line reaches all the way to the pale transverse band, while in C. dirce the line is distinctly swollen posteriorly. The dorsal forewing cream band is of even width throughout (as in C. annulata, but unlike C. dirce, where it often narrows at the costa). Male and female genitalia are not consistently distinguishable from those of other Colobura species.

Larva

The fifth-instar larva is entirely velvet black, with deep yellow head horns and scoli, and lacks both the yellow lateral spots at the anterior edge of abdominal segments present in C. dirce and the creamy yellow rings around each segment present in C. annulata. This larval phenotype is the most immediately obvious distinguishing feature of the species.

Colobura cryptica larvae feed on Cecropia (Urticaceae). In Venezuela, larvae are gregarious, occurring in clusters of around 30 individuals on the undersides of leaves of young Cecropia trees in secondary growth within humid premontane forest. Early-instar larvae feed collectively and chew through the primary leaf veins, causing the blade to fold into a "closed umbrella" shape, a behavior also observed in C. dirce. This behavior may reduce sap flow, facilitate feeding, or provide protection from predation. Larval development is highly synchronous; caterpillars molt and pupate at the same time, and adult eclosion occurs within approximately 15 days of pupation. Pupae measure up to 40 mm in length, are pale brown with irregular projections and dark warts that give them a bark-like appearance, and are cylindrical, tapering toward the cremaster.

Adults have been recorded throughout the year in Venezuela. The holotype was collected using a rotting fish liquid bait, and adults in Costa Rica were attracted to rotting fruit baits. The species occurs from sea level to at least 1,350 m and possibly as high as 1,800 m.

Colobura cryptica ranges from Chiapas in eastern Mexico southward through Central America to Panama, and in northwestern South America west of the Andes in Colombia and Ecuador, as well as along the east Andean foothills from Venezuela to southern Ecuador. Photographic records from iNaturalist suggest a possible additional range in Amazonian Brazil and southern Peru, but no barcoded specimens have yet confirmed this.

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