Key to the species of Neopanorpa in Yunnan (females)

[not including N. curva Zhou, N. lacunaris Navás, N. pendula Qian & Chou, N. tengchongensis Zhou & Wu, N. tenuis Zhou, N. uncinella Qian & Zhou, and N. uncata Zhou]

1 Pterostigma pigment a dark brown, rectangular stripe (Fig. 16b)................................ N. quadristigma sp. n.

- Pterostigma pigmented or not, but not distinct as above........................................................ 2

2 Rostrum without dorsolongitudinal stripes.................................................................. 3

- Rostrum with two dorsolongitudinal stripes................................................................ 11

3 Wing markings obscure, with only greatly reduced markings on pterostigma and wing apex........................... 4

- Wing markings extensive and prominent................................................................... 5

4 A7–A8 blackish brown; pterostigma without stripes (Fig. 6b)........................................ N. tincta sp. n.

- A7–A8 yellowish brown to dark brown; pterostigma with brown stripe (Fig. 14b).................. N. longistipitata sp. n.

5 VeinR2 trifurcated..................................................................................... 6

- VeinR2 bifurcated..................................................................................... 8

6 Wings extensively marked by continuous broad apical band, pterostigmal band, submedian band, and basal band............................................................................................... N. harmandi (Navás)

- Wing markings without basal band........................................................................ 7

7 Apical band of wing markings connected to pterostigmal band along costal margin; posterior arms of genital plate broad, slightly convergent at apex (Fig. 19e–g)...................................................... N. spatulata Byers

- Apical band of wing markings not connected to pterostigmal band along costal margin; posterior arms of genital plate narrow, slightly divergent at apex................................................................. N. siamensis Byers

8 Vertex yellowish brown with a longitudinal blackish brown marking on ocellar triangle (Fig. 10c) N. diancangshanensis sp. n.

- Vertex brownish black without marking.................................................................... 9

9 Genital plate with axis extending anteriorly beyond main plate for a short length............. N. menghaiensis Zhou & Wu

- Genital plate with axis not extending anteriorly beyond main plate.............................................. 10

10 Posterior arms of genital plate extended nearly in parallel towards apices........................... N. cuspidata Byers

- Posterior arms of genital plate extended divergently towards apices.............................. N. pulchra Carpenter

11 Subgenital plate with U-shaped emargination at apex............................................. N. brisi (Navás)

- Subgenital plate with V-shaped emargination at apex........................................................ 12

12 Genital plate with axis not extending anteriorly beyond main plate (Fig. 18e–g)....................... N. nielseni Byers

- Genital plate with axis extending anteriorly beyond main plate for a short length.................................. 13

13 Subgenital plate blackish brown with shallow V-shaped emargination at apex (Fig. 13d)........... N. magnatitilana sp. n.

- Subgenital plate yellowish brown with deep V-shaped emargination at apex...................................... 14

14 Genital plate with axis not extending anteriorly beyond main plate (Fig. 5e–g).................. N. semiorbiculata sp. n.

- Genital plate with axis extending anteriorly beyond main plate at least half its length............................... 15

15 Pterostigmal band with basal branch consisting of three spots................................. N. yingjiangensis Zhou

- Pterostigmal band only with an uninterrupted basal branch..................................... N. triangulata sp. n.