C. greeni, a distinctive butterfly species, inhabits the unique highland plateau of Horton Plains in Sri Lanka. Found amidst stunted vegetation and dead trees along the World’s End escarpment.
This species showcases fascinating behaviors and associations. Rapid and elusive in flight, it often alights on stunted trees, basking in the morning light as they frequently spread their wings halfway and slant their bodies to absorb the sun’s warmth. Frequent warming up is essential at these altitudes to keep body temperature optimal for flight. Intriguingly, S. greeni exhibits symbiotic behavior with Crematogaster rothneyi ants. Eggs are laid on trees housing these ants, suggesting a specialized ecological relationship. Despite extensive study, the exact nature of this association remains elusive, prompting further investigation into larval feeding behaviors and ant interactions.