Ruidocollaris

Liu, Chun-Xiang & Kang, Le, 2010, A review of the genus Ruidocollaris Liu (Orthoptera: Tettigoniidae), with description of six new species from China, Zootaxa 2664, pp. 36-60 : 42-43

Key to species of the genus Ruidocollaris

1. Posterior margin of pronotal disc strongly extending backward, sharp-angled ........................................................... 2

- Posterior margin of pronotal disc moderately extending backward, widely rounded .................................................. 7

2. Large-size (length of tegmen: male 50.0–56.0 mm, female 50.0–58.0 mm; length of posterior femur: male 24.0–28.0 mm, female 25.0–28.0 mm); ventral surface and apical part of abdomen concolorous with other parts ..................... 3

- Medium-size (length of tegmen: male 37.0–46.0 mm, female 43.0–48.0 mm; length of posterior femur: male 18.0– 23.0 mm, female 21.0–24.0 mm); ventral surface and apical part of abdomen brown red (as figs. 89, 91, 96) .......... 5

3. Ovipositor four times much longer than wide, one and a half times longer than pronotum, with apical part of ventral margin not obliquely truncated (Figs. 78, 88) ......................................................................... R. longicaudalis sp. nov.

- Ovipositor three times shorter than wide, approximately as long as pronotum, with apical part of ventral margin obliquely truncated........................................................................................................................................................ 4

4. Apical part of posterior tibiae including apical spurs, posterior tarsi, male and female tenth abdominal tergum, epiproct, paraproct and cerci brownish red ( Figs. 85, 86 ). Male subgenital plate short, much wider than long, with robust styli, as short as one fifth length of subgenital plate ( Fig. 59 ). Ovipositor slightly shorter than pronotum ( Fig. 86 ) ................................................................................................................................................. R. rubescens sp. nov.

- Apical part of posterior tibiae including apical spurs, posterior tarsi, male and female tenth abdominal tergum, epiproct, paraproct and cerci commonly green ( Figs. 83, 84 ). Male subgenital plate elongate, much longer than wide, with styli as long as one third length of subgenital plate ( Fig. 58 ). Ovipositor slightly longer than pronotum ( Figs. 67, 68 , 84 ) ................................................................................................. R. truncatolobata (Brunner von Wattenwyl)

5. Frons dark brown; genicular part of posterior femur dark brown red; tegmen with large blackish marks situated along the posterior margin and formed by darkened tips of adjoining cross veins or along median area (as figs. 89, 90) ................................................................................................................................................................................. 6

- Frons and genicular part of posterior femur concolorous with other parts; tegmen without big blackish marks situated along the posterior margin and formed by darkened tips of adjoining cross veins or along median area ( Fig. 93 ) ......................................................................................................................................................... R. apennis sp. nov.

6. Size small (length of tegmen: male 38.0 mm, female 42.0–43.0 mm; of posterior femur: male 18.0–20.0 mm, female 21.0 mm). Apical margin of male subgenital plate with deep sharp triangular notch ( Fig. 61 ). Lateral surface of ovipositor with indistinct granulates ( Fig. 71 ) ......................................................................... R. convexipennis (Caudell)

- Size much larger (length of tegmen: male 46.0 mm, female 47.8 mm; of posterior femur: male 22.5 mm, female 23.5 mm). Apical margin of male subgenital plate with shallow wide triangular notch ( Fig. 62 ). Lateral surface of ovipositor with distinct granulates ( Fig. 72 )........................................................................................ R. parapennis sp. nov.

7. Face, coxa and trochanter of leg, sterna of thorax and of abdomen, cerci, epiproct, paraproct, and ninth and tenth abdominal tergite ferruginous ( Fig. 96 ). Paranota with ventral margin approximately straight, ventrally expanding backwards ............................................................................................................................. R. ferruginescens sp. nov.

- Face, coxa and trochanter of leg, sterna of thorax and of abdomen, cerci, epiproct, paraproct, and ninth and tenth abdominal tergite concolorous to other parts ( Figs. 92, 94 ). Paranota with ventral margin widely rounded ............... 8

8. Dark green. Prozona with disc approximately flat. Tegmen with area between posterior margin and M vein with large dense dark spots, apical margin slightly oblique truncated ( Fig. 92 ) ......................................... R. obscura (Liu)

- Foliage-green. Prozona with disc approximately round. Tegmen with small sparse dark spots except area between posterior margin and M vein, apical margin round ( Fig. 94 ) ........................................................ R. latilobalis sp. nov.

Figures

FIGURE 96. Distribution map of Ruidocollaris truncatolobata mainly from China.

FIGURES 83 – 88. whole body of the genus Ruidocollaris Liu in lateral view. Figs. 83, 85, 87, male; Figs. 84, 86, 88, female. Figs. 83, 84, R. truncatolobata (Brunner von Wattenwyl) (Fig. 83 from Wuyishan in Fujian Prov., Fig. 84 from Libo in Guizhou Prov.); Figs. 85, 86, R. rubescens sp. nov. (paratype from Libo in Guizhou Prov.); Figs. 87, 88, R. longicaudalis sp. nov. (Fig. 87, paratype; Fig. 88, holotype). (Fig. 83 by Dingliang).

FIGURES 58 – 66. male subgenital plate of the genus Ruidocollaris Liu in ventral view. Fig. 58, R. truncatolobata (Brunner von Wattenwyl) (from Libo in Guizhou Prov.); Fig. 59, R. rubescens sp. nov. (holotype); Fig. 60, R. longicaudalis sp. nov. (paratype from Tibet); Fig. 61, R. convexipennis (Caudell) (from Emeishan, Sichuan Prov.); Fig. 62, R. parapennis sp. nov. (holotype); Fig. 63, R. obscura (Liu) (from Maoershan, Guangxi Prov.); Fig. 64, R. apennis sp. nov. (holotype); Fig. 65, R. latilobalis sp. nov. (holotype); Fig. 66, R. ferruginescens sp. nov. (holotype). (scale bar = 1 mm).

FIGURES 67 – 72. female abdominal apex of the genus Ruidocollaris Liu in lateral view. Figs. 67, 68, R. truncatolobata (Brunner von Wattenwyl) (Fig. 67 from Sichuan Prov., Fig. 68 from Libo in Guizhou Prov.); Fig. 69, R. rubescens sp. nov. (paratype from Libo in Guizhou Prov.); Fig. 70, R. longicaudalis sp. nov. (paratype from Tibet); Fig. 71, R. convexipennis (Caudell) (from Emeishan, Sichuan Prov.); Fig. 72, R. parapennis sp. nov. (paratype from Tibet). (scale bar = 1 mm).

FIGURES 89 – 95. whole body of the genus Ruidocollaris Liu in lateral view. Fig. 89, male of R. convexipennis (Caudell) (from Wuyishan, Fujian Prov.); Figs. 90, 91, R. parapennis sp. nov. (Fig. 90, holotype; Fig. 91, paratype); Fig. 92, male of R. obscura (Liu) (from Maoershan, Guangxi Prov.); Fig. 93, male of R. apennis sp. nov. (holotype); Fig. 94, male of R. latilobalis sp. nov. (holotype); Fig. 95, R. ferruginescens sp. nov. (paratype). (Fig. 89 by Dingliang).