Green-banded Urania

Urania leilus belongs to Uraniidae. Museums Victoria holds an identified adult from Óbidos, Pará, Brazil, and the Catamarca study describes its daytime activity. [1][3]

A 2021 study treats U. leilus and U. fulgens as distinct continental species with geographically separated distributions. [2]

Swainson’s 1832–1833 description records dark wings with repeated blue-green lines and bands and nearly white tails. Modern Catamarca observations describe a velvety dark ground with iridescent green bands. [8][3]

An Argentine institutional guide records South American and Caribbean localities, including several Argentine provinces. A Museums Victoria specimen documents occurrence at Óbidos in Pará, Brazil. [9][1]

Uraniine host studies record Omphalea, a genus in Euphorbiaceae, as the larval food-plant association for Urania. [4]

Quesnel documented a large migration of Urania leilus in Trinidad in 1969. A separate report from Catamarca, Argentina, records adults during 2023–2025 and classifies them as dispersing or migratory visitors. [3][5]

A 2021 study examined the ecological niches and distributions of Urania leilus and Urania fulgens in relation to Omphalea hosts. The authors identified the Andes as an important geographic barrier separating their distributions. [2]

The species retains Linnaeus’s 1758 epithet from Papilio leilus. Swainson illustrated it as Leilus surinamensis in 1832–1833. The modern combination is Urania leilus. [8]

Repeated green bands cross the dark wings, while the pale tails extend the hindwing outline. The dorsal and ventral views show the arrangement across both wing pairs.

Scott Schubr’s illustration emphasizes bright bands against dark wings and the pale tail region. Green and cyan treatments explore the pattern through bold contours and simplified colour.

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