Eupolyphaga, Chopard, 1929

Key to the male of Eupolyphaga View in CoL species

1 Tegmina totally unicolored ( Figs. 11 A View FIGURE 11 ; 12 E View FIGURE 12 )............................................................... 2 - Tegmina more or less maculated.......................................................................... 3 2 Pronotum generally unicolored ( Fig. 13 P View FIGURE 13 )............................................................ E. fusca View in CoL - Pronotum anterior distinctly marginated ( Fig. 12 I View FIGURE 12 )...................................................... E. sp. 3 3 Tegmina brown, only with several hyaline maculae, vertex of head yellow ( Figs. 12 A View FIGURE 12 ; 13 N View FIGURE 13 ).................. E. robusta

- Ground color of tegmina hyaline, strongly maculated......................................................... 4

4 Tegmina short, only beyond the end of abdomen about 3.4–6.5 mm .............................................. 5

- Tegmina long, exceeded the end of abdomen more than 8.0 mm................................................. 6

5 Abdomen brown ( Fig. 7 E View FIGURE 7 ), distributed around Mt. Everest................................. E. everestiana everestiana View in CoL

- Abdomen yellow, distal portion slightly dark brownish ( Fig. 7 K View FIGURE 7 ), distributed in Lhoka................ E. everestiana reni

6 Both abdomen and legs pale yellow...................................................................... 11

- Not as above......................................................................................... 7

7 Abdomen maculated, median with a longitudinal line........................................................ 10

- Abdomen not maculated................................................................................ 8

8 Pronotum generally unicolored........................................................................... 9

- Pronotum marginated anteriorly......................................................................... 15

9 Tegmina with dense and mixed maculae ( Fig. 5 A View FIGURE 5 )................................................ E. hupingensis

- Tegmina with scattered maculae, outer margins brownish ( Fig. 9 F View FIGURE 9 )....................................... E. xuorum

10 Pronotum brown to dark brown, anterior yellowish marginated................................................. 12

- Pronotum yellow, disc with an irregular brown marking ( Fig. 15 G View FIGURE 15 )..................................... E. maculata

11 Pronotum with anterior yellow ( Fig. 13 A View FIGURE 13 ).......................................................... E. sinensis View in CoL

- Pronotum generally unicolored, reddish brown to brown ( Fig. 13 G View FIGURE 13 )....................................... E. hanae

12 Pronotum brown, with a very weak yellowish margin anteriorly; tegmina with outer base brownish, maculae very fine and scattered ( Fig. 15 P View FIGURE 15 ; 9 A)......................................................................... E. dongi

- Pronotum brown, anterior margin muddy yellowish.......................................................... 13

13 Legs black ( Fig. 10 D View FIGURE 10 ).......................................................................... E. nigrifera

- Legs brown to dark brown, distinctly yellowish mixed....................................................... 14

14 Body brown, tegmina with dense maculae ( Fig. 10 View FIGURE 10 G–H).................................... E. fengi yongshengensis

- Body dark brown, tegmina with loose maculae ( Fig. 10 View FIGURE 10 E–F)......................................... E. fengi fengi

15 Interocular space as wide as the distance between ocelli ( Fig. 14 View FIGURE 14 E–F)................................... E. thibetana View in CoL

- Interocular space narrower than the distance between ocelli................................................... 16

16 Tegmina with scattered spots........................................................................... 17

- Tegmina with dense or mixed speckles.................................................................... 18

17 Body dark brown to black, anterior of pronotum white narrowly............................................... 20

- Body yellowish brown, anterior of pronotum whitish yellow widely ( Figs. 6 View FIGURE 6 J–M; 14 A).................. E. yunnanensis View in CoL

18 Tegmina with dim and small maculae, pronotum with a yellow anterior margin not reach to the lateral borders, body black ventrally ( Figs. 8 View FIGURE 8 E–F; 16 D).................................................................... E. daweishana

- Tegmina with mixed maculae, body brown ventrally......................................................... 19

19 Pronotum with anterior margin yellow, apex of the yellow area narrow, widened toward lateral ( Fig. 13 D View FIGURE 13 ).. E. shennongensis

- Pronotum with anterior margin whitish yellow, apex of the yellow area narrow, then widened near the apex, and becoming much narrower toward the lateral borders ( Fig. 14 P View FIGURE 14 )............................................... E. hengduana View in CoL

20 Body dark brown, maculae on tegmina larger, fewer......................................................... 21

- Body black, maculae on tegmina smaller, relatively denser ( Fig. 8 View FIGURE 8 I–J)................................. E. nigrinotum

21 Body large, 17.8–20.1 mm not including tegmina, pronotum setose, the yellowish anterior margin indistinct or narrow ( Fig. 16 G View FIGURE 16 )............................................................................................. E. wooi

- Body small, 15.6–16.8 mm not including tegmina, pronotum and head with very long hair, with a distinct yellowish margin anteriorly ( Fig. 14 View FIGURE 14 J–L)........................................................................... E. pilosa