Key to species (males) of the protecta -group

1. Pronotum and clavus of fore wing nigrescent; head with obscure fuscous spot on tip of frontoclypeus (see Fig. 40 in Hayashi & Yoshida 1995).............................................................................. P. conformata

- Median line of posterior margin of fore wing obscured or sometimes immaculate; pronotum immaculate; head without black spot on tip........................................................................................... 2

2. Ventral projection of aedeagal shaft long and spinelike (Fig. 55).......................................... P. s p i n o s a

- Ventral projection tectiform (Figs. 12–13, 23, 35, 41–43, 50)................................................... 3

3. Inner pygofer process not forked (Fig. 47)................................................. P. lanceolata sp. nov.

- Inner pygofer process bifurcated or trifurcated (Figs. 9–11, 19–20, 31–32, 40)..................................... 4

4. Inner pygofer process trifurcated (Fig. 40).......................................................... P. tridens

- Inner pygofer process bifurcated (Figs. 9–11, 19–20, 31–32)................................................... 5

5. Apex of style not exceeding half length of subgenital plate; pygofer lobe narrowed basally with ventral margin strongly sinuate (Fig. 8)..................................................................................... P. protecta

- Apex of style not exceeding 2/3 times length of subgenital plate; pygofer lobe narrowed basally with ventral margin weakly sinuate (Figs. 18, 30).................................................................................. 6

6. Aedeagal shaft narrow in lateral view, and weakly recurved dorsad; ventral projection larger than shaft (Fig. 23)............................................................................................. P. totoumiensis sp. nov.

- Aedeagal shaft wide in lateral view, and almost straight; ventral projection shorter than shaft (Fig. 35).. P. dichotoma sp. nov.