Appearance
It is sometimes confused with the similar ''U. fulgens'', but that species is found west of the Andes in South America, Central America and Mexico, is slightly smaller and has less white to the "tail". The two have been treated as conspecific. The wingspan of ''U. leilus'' is about 70 mm.
Naming
The species was first described by Carl Linnaeus in his 1758 10th edition of ''Systema Naturae''.Distribution
It has been recorded as a vagrant to the central and northern Lesser Antilles such as St. Kitts, Barbados and Dominica.Habitat
The habitat consists of riverbanks in primary and secondary rainforest at elevations between sea level and about 800 m.Food
As appears to be the case for all ''Urania'', the larvae of ''U. leilus'' feed exclusively on species of the toxic spurge ''Omphalea''.References:
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