Common Cerulean (Jamides celeno) lives in lowland tropical forests across Southeast Asia. It feeds on flowers and leaves.
Fascinating facts about the Common Cerulean
- Jamides celeno earned its scientific name over two centuries ago, when Pieter Cramer first described the common cerulean in 1775. That early record anchors the butterfly in the taxonomic history of the Indomalayan realm, showing how long naturalists have been tracking its bright blues.
- During the dry season, male common ceruleans have much reduced black edging on the forewing's termen and the subterminal series of black spots on the hindwing disappears entirely, making the wings appear almost uniformly pale bluish-white. This seasonal polyphenism, where the same species shows dramatically different wing patterns.
- A full-fed common cerulean caterpillar measures just an inch long, a tiny inch of dull reddish-green body covered in minute white tubercles. This precise size, noted in classic descriptions, while feeding on a wide array of host plants.
- The pupa of Jamides celeno follows the classic lycaenid shape: a smooth, pale ochreous-green body dotted with irregular blackish spots, a bluntly rounded head, and a slightly humped thorax.
- Like many tropical butterflies, this species shows seasonal polyphenism, with the appearance differing between adults according to the season. In the dry-season brood the male's forewing edge is only narrowly black and the hindwing's subterminal black spots disappear, while the wet-season brood displays a darker ground colour and broader black edging on both wings.
Sources
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At a glance
RangeSoutheast Asia
HabitatLowland tropical forests
DietFlowers and leaves
About the Common Cerulean
In the warm, golden light of a tropical morning, the Common Cerulean butterfly dances across the forest floor, its iridescent blue wings beating in a hypnotic rhythm as it flits from flower to flower. With an effortless elegance, it navigates the dense undergrowth, its delicate form weaving in and out of the dappled shadows, leaving a trail of subtle beauty in its wake. As it sips nectar from a blooming orchid, its wings glimmer like a fragment of the sky, a fleeting glimpse of celestial wonder in the heart of the forest.
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