Key to the species of Neopanorpa in Yunnan (males)
[not including N. yingjiangensis Zhou]
1 Notal organ extending to the apex of T6 (abdominal tergum VI; Fig. 14f)........................ N. longistipitata sp. n. - Notal organ not extending to the apex of T6................................................................. 2 2 A7–A8 (abdominal segments VII–VIII) yellowish white, A9 black.............................................. 3 - A7–A8 yellowish brown................................................................................ 7
3 Notal organ short and stout, not extending beyond one-third the length of T4 (Fig. 16e)............. N. quadristigma sp. n.
- Notal organ triangular, extending nearly to half the length of T4................................................. 4
4 Wings unmarked, or lacking most of the apical and pterostigmal bands........................................... 5
- Wings with a distinct hemispherical apical band; pterostigmal band without apical branch............................ 6
5 Hypovalves without hypandrial processes...................................................... N. uncata Zhou
- Hypovalves bearing broad hypandrial processes..................................... N. tengchongensis Zhou & Wu
6 Hypovalves extending to basal lobe of gonostylus (Fig. 12g)................................. N. magnatitilana sp. n.
- Hypovalves not extending beyond basal lobe of gonostylus......................................... N. tenuis Zhou
7 VeinR2 trifurcated..................................................................................... 8
- VeinR2 bifurcated.................................................................................... 12
8 Wings normally unmarked with yellowish brown tinge; notal organ with a small subconical process on each side.......... 9
- Wings marked; notal organ without a subconical process on each side........................................... 10
9 A7–A8 greatly elongated; epandrium truncated at apex............................................ N. brisi (Navás)
- A7–A8 stout; epandrium shallowly emarginated, bearing lateral triangular process on each side near apex................................................................................................. N. pendula Qian & Zhou
10 Wings extensively marked by broad and continuous apical, pterostigmal, submedian, and basal bands; hypovalves not overlapping................................................................................ N. harmandi (Navás)
- Wing markings without basal band; hypovalves broad and conspicuously overlapping.............................. 11
11 Rostrum uniformly yellow without dorsal stripes; basal branch of pterostigmal band straight; hypovalves oval-shaped, very broad................................................................................. N. spatulata Byers
- Rostrum yellowish brown with two blackish-brown dorsolongitudinal stripes; basal branch of pterostigmal band curved; hypovalves elongate.......................................................................... N. nielseni Byers
12 Rostrum yellowish brown with two dorsolongitudinal stripes.................................................. 13
- Rostrum without stripes............................................................................... 16
13 Vertex yellowish brown with a triangular black marking on ocellar triangle............................. N. curva Zhou
- Vertex blackish brown without marking................................................................... 14
14 Notal organ extending beyond the apex of T4................................................ N. lacunaris Navás
- Notal organ extending not beyond the apex of T4........................................................... 15
15 Pterostigmal band reduced to a large rectangular spot on posterior margin (Fig. 4a)............... N. semiorbiculata sp. n.
- Pterostigmal band without apical branch, basal branch running obliquely to posterior margin of wings (Fig. 8a)................................................................................................ N. triangulata sp. n.
16 Vertex blackish brown................................................................................. 17
- Vertex yellowish brown with a black marking on ocellar triangle............................................... 21
17 Hypovalves extending caudally beyond the middle tooth...................................... N. pulchra Carpenter
- Hypovalves not extending caudally beyond the middle tooth.................................................. 18
18 Hypovalves not overlapping each other................................................................... 19
- Hypovalves overlapping along the medioventral line............................................ N. siamensis Byers
19 Epandrium deeply emarginated at apex.............................................. N. menghaiensis Zhou & Wu
- Epandrium truncated at apex............................................................................ 20
20 Hypovalves half the length of basal stalk............................................... N. uncinella Qian & Chou
- Hypovalves nearly equal in the length with basal stalk.......................................... N. cuspidata Byers
21 Wings with dark brown tinge, but otherwise unmarked (Fig. 6a)...................................... N. tincta sp. n.
- Wings hyaline, with prominent wing markings (Fig. 10a)................................ N. diancangshanensis sp. n.