12/08/2026
The Common Baron (Euthalia aconthea)
Beautiful nymphalid butterfly found across South and Southeast Asia, including Sri Lanka. Belonging to the family Nymphalidae and subfamily Limenitidinae, it is well known for its remarkable camouflage, often resembling a dried or damaged leaf when resting. It has brownish to olive-green wings with irregular patterns and distinctive pale markings, while the underside is highly cryptic, allowing it to blend seamlessly with surrounding foliage. It is commonly found in forests, gardens, plantations, and other habitats with suitable host plants. Its caterpillars can have a spiny appearance. Its leaf-like appearance is an excellent example of protective camouflage, helping it avoid predators.