Phanoperla

Wang, Yingying, Li, Wenliang & Li, Weihai, 2022, New species and records of Phanoperla (Plecoptera: Perlidae) from southwestern China, Zootaxa 5120 (2), pp. 263-272 : 271

Key to males of Phanoperla species from China

1. Aedeagal tube apically with enlarged ventral protuberance ( Figs. 2b, 2d )......................................... 2

- Aedeagal tube without enlarged protuberance on the ventral side ( Fig. 5 )......................................... 3

2. Aedeagal tube with two dorsolateral swellings ( Figs. 3 , 7d )............................... P. himalayana Zwick, 1982

- Aedeagal tube lacking dorsolateral swellings ( Figs. 2 , 7a )........................................ P. wangi sp. nov.

3. Aedeagus slightly S-shaped in lateral view (fig. 2a in Li & Qin 2016)............................................ 4

- Aedeagus not S-shaped in lateral view ( Fig. 5a )............................................................. 5

4. Aedeagal sac strongly curved apically (fig. 2 in Li & Qin 2016)............................ P. hainana Li & Qin, 2016

- Aedeagal sac nearly straight (fig. 10 in Zwick 1982)................................... P. pallipennis ( Banks, 1938)

5. Aedeagal tube with a dorsobasal finger-shaped lobe ( Figs. 5 , 7c ).......................... P. vietnamensis Zwick, 1986

- Aedeagal tube without finger-shaped lobe ( Fig. 6c ).......................................................... 6

6. Aedeagal sac bearing a dorsomedian hump (fig. 4c in Mo et al., 2021a)............. P. cheni Mo, Wang, Wang & Li, 2021

- Aedeagal sac lacking the dorsomedian hump ( Fig. 7e ).................................. P. wieng Sivec & Stark, 2010

Figures

FIGURE 2. Phanoperla wangi Wang, Li & Li, sp. nov., male. a. Aedeagus, dorsal view. b. Aedeagal sac, dorsolateral view. c. Aedeagal sac, ventral view. d. Aedeagus, lateral view. e. Aedeagal sac, oblique ventral view. Abbreviations: ta: tubular apex. Scale bars: 0.5 mm.

FIGURE 3. Phanoperla himalayana Zwick, 1977, male. a. Head and pronotum, dorsal view. b. Aedeagus, ventral view. c. Terminalia, dorsal view. d. Aedeagus, lateral view. Abbreviations: ta: tubular apex; das: dark apical sclerite. Scale bars: 0.5 mm.

FIGURE 5. Phanoperla vietnamensis Zwick, 1986, male. a. Aedeagus, lateral view. b. Aedeagus, dorsal view. c. Aedeagus, ventral view. d.Aedeagal sac, ventral view. e.Aedeagal sac, lateral view. f.Aedeagal sac, ventrolateral view. Scale bars: 0.5 mm.

FIGURE 6. Phanoperla wieng Sivec & Stark, 2010, male. a. Head and pronotum, dorsal view. b. Terminalia, dorsal view. c. Aedeagus, lateral view. d. Aedeagus, ventral view. Scale bars: a. 1 mm; b–d, 0.5 mm.

FIGURE 7. Phanoperla Banks, 1938, aedeagus, lateral view. a. Phanoperla wangi Wang, Li & Li, sp. nov.; b. Phanoperla maindroni (Navás, 1926), modified from Zwick (1982); c. Phanoperla vietnamensis Zwick, 1986, modified from Zwick (1986); d. Phanoperla himalayana Zwick, 1977, modified from Zwick (1982); e. Phanoperla wieng Sivec & Stark, 2010, modified from Sivec & Stark (2010). Abbreviations: dls: dorsolateral swellings, fsl: finger-shaped lobe; ta: tubular apex. Not to scale.