Tetra

Key to the species of Tetra from China

1 Coxal area smooth......................................................................................................... 2

­ Coxal area with short lines or granules......................................................................... 8

2 Empodium 7­rayed ....................................................................... Tetra yushania Huang

­ Empodium 4­rayed........................................................................................................ 3

3 Setae h1 absent .......................................................................... Tetra intermedia Huang

­ Setae h1 present............................................................................................................. 4

4 Coxal sternal line absent ......................................................... Tetra similisforca Huang

­ Coxal sternal line present.............................................................................................. 5

5 Shield design without median line .................................................... Tetra toona Huang

­ Shield design with median line..................................................................................... 6

6 Shield design with median line 1/3 anterior, female genital coverflap with 8 to 10 lon­ gitudinal ridges ........................................................ Tetra guiyangensis Kuang & Hong

­ Shield design with median line 1/3 at base, female genital coverflap with more than 10 longitudinal ridges......................................................................................................... 7

7 Femur with two longitudinal lines, female genital coverflap with 12 to 14 longitudinal ridges, shield design network ...................................... Tetra polygoni Wei, Chen & Xie

­ Femur smooth, female genital coverflap with 10 to 12 longitudinal ridges, shield design only with median and admedian lines connected at basal 1/3............................. ................................................................................. Tetra clerodendri Wei, Chen & Xie

8 Coxal area with granules............................................................................................... 9

­ Coxal area with short lines.......................................................................................... 10

9 Female genital coverflap smooth, empodium 7­rayed, dorsal annuli with round micro­ tubercles...................................................................... Tetra dalbergiae Kuang & Zhuo

­ Female genital coverflap with 10 longitudinal ridges, empodium 4­rayed, dorsal annuli with spiny microtubercles.............................................. Tetra suspensae n. sp.

10 Dorsal annuli with microtubercles.............................................................................. 11

­ Darsal annuli smooth................................................................................................... 15

11 Empodium 2­rayed ...................................................................... Tetra concava (Keifer)

­ Empodium 6 or 7­rayed............................................................................................... 12

12 Dorsal annuli with elliptical microtubercles................................ Tetra japonicae n. sp.

­ Dorsal annuli with spiny microtubercles..................................................................... 13

13 Shield design with median line complete.................................... Tetra formosae n. sp.

­ Shield design with median line incomplete................................................................. 14

14 Shield design with granules on lines, median line connected with admedian lines at basal 1/3.......................................................................................... Tetra lobatae n. sp.

­ Shield design without granules on lines, median and admedian lines separate..................................................................................................... Tetra superbae Huang & Wang

15 Median line on prodorsal shield present..................................................................... 16

­ Median line on prodorsal shield absent...................................................................... 19