The dark brown insects are recognizable by long palpi, tasting organs, which are almost the same length as its proboscis, or mouthparts.

Palpi breves, graciles, haud prominentes, articulo ultimo nudo, obliqu� verticales.

Palpi short, slender, not projecting beyond the front, the last joint naked, obliquely vertical.

Palpi porrecti, compressi, vix recurvi, remoti, pilis ciliatis, longis, hirsutissimi; articulo ultimo elongato, nudo, gracili, acuto.

The blue-green on the upper surface of the wings is very resplendent and changeable, and the palpi and thorax beneath are covered with numerous whitish spots.