Appearance
The genus is small, and its wingspan is 28–32 millimeter. It has long fluffy tail, which makes it easily recognizable. The forewing color of male "Zeltus" is blackish, and the basal area's color is pale blue. The forewing color of female "Zeltus" is dark brown. The hindwing color of the male is pale blue, the color of the apex is black."Zeltus amasa" has false eyes, legs, and antennae on the hindwing, which resembles and diverts attention from its real head. If it is attacked, its starts flying in an unexpected direction.
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