Keys to males of the tenuissima group (adapted from to Garrison, 2004)

1. Tip of cercus in dorsal or posteromedial view branched or bluntly rounded, but without black tooth in the external branch (Fig. 3 h−i).................................................................................... P. tenuissima .

1’. Tip of cercus in dorsal or posteromedial view branched, with a black tooth in the external branch...................... 2

2. Tip of cercus in dorsal or posteromedial view branched, both external and internal branch with distinct black tooth (Fig. 3 e−f).......................................................................................... P. bifurcata .

2’. Tip of cercus in dorsal or posteromedial view branched, with external branch armed with distinct black tooth and internal branch with an ante-apical rounded lobe (Fig. 3 b−c)................................................. P. jeronimoi .