The family Riodinidae or metalmarks are a family of small Old and New World butterflies. The common name refers to the bright, metallic spots marking the wings of many of its members.
In India they are better referred to as the family of Punches and Judies. Only 16 of the 1000 species are found in India.
Distinguishing features
Some consider this family as a subfamily of the Lycaenidae. Like the lycaenids, the males of this family have reduced forelegs while the females have full-sized, fully functional forelegs.
In addition to the traits listed above, the butterflies are generally characterized by
the foreleg of most males, in addition to being reduced, has a uniquely shaped first segment (the coxa) which extends beyond its joint with the second segment, rather than meeting it flush;
the hindwing exhibits unique venation; and
most species perch on the undersides of leaves with the wings held open and completely flat.
Classification
The family Riodinidae has two subfamilies of which only one is found in India. These subfamilies are:
