Terminal setae (ts) on middle appendages [2nd antennae] (2a) are long, delicate, and sparsely spaced on terminal segments. Appendages (a) are more tubular rather than flattened in shape and pointed at distal ends.

Terminal setae (ts) on middle appendages [2nd antennae](2a) are relatively short, stout, and spaced closely together giving a brush-like or claw-like appearance. Appendages (a) are more flattened and paddle-like at distal ends.