Ormiston's Oakblue (Arhopala ormistoni)

Ormiston's Oakblue (Arhopala ormistoni) Ormiston's Oakblue (Arhopala ormistoni) Ormiston's Oakblue (Arhopala ormistoni)

The Ormiston's Oakblue (Arhopala ormistoni) is a rare and endemic butterfly species found exclusively in Sri Lanka. It belongs to the Lycaenidae family, commonly known as the "blues" due to the vibrant coloration seen in many of its members.

Characteristics:

  • A small to medium-sized butterfly with metallic blue or purplish hues on the upper side of its wings.
  • The underside is brownish with intricate markings, providing excellent camouflage against tree bark and leaves.
  • Males and females may have slight variations in their wing coloration and pattern.

    • Habitat & Distribution:

  • Found only in Sri Lanka, primarily in the montane and submontane forests.
  • Prefers shaded areas, dense foliage, and the upper canopy of trees.
  • Often associated with oak and other forest trees, where its caterpillars feed.

    • Behavior & Ecology:

  • A relatively elusive species, making sightings rare.
  • Flutters rapidly and often perches on the underside of leaves, making it harder to spot.
  • The caterpillars have a mutualistic relationship with ants, which protect them in exchange for secretions they produce.

    • The Ormiston's Oakblue is a special species in Sri Lanka's butterfly diversity, emphasizing the island’s unique and fragile ecosystems.

    Ormiston's Oakblue (Arhopala ormistoni) Ormiston's Oakblue (Arhopala ormistoni) Ormiston's Oakblue (Arhopala ormistoni)

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