Mongoliana Distant

Meng, Rui, Wang, Yinglun & Qin, Daozheng, 2016, Four new species of the genus Mongoliana Distant (Hemiptera: Fulgoromorpha: Issidae) from southern China, Zootaxa 4061 (2), pp. 101-118 : 103

Key to species of Mongoliana Distant (males)

1. Frons with aligned tubercles along inner side of lateral margins................................................. 2

- Frons without aligned tubercles along inner side of lateral margins.............................................. 10

2. Clypeus yellowish brown, without transverse fascia below frontoclypeal suture.................................... 3

- Clypeus black, with transverse yellow fascia below frontoclypeal suture.......................................... 5

3. Aedeagus with lateral hooks asymmetrical, the left hook arising near middle and the right one arising at basal 1/3 ( Figs 77, 79 & 80 )....................................................................... M. sinuata Che, Wang et Chou

- Aedeagus with lateral hooks symmetrical and both arising from middle........................................... 4

4. Anal tube with apical margin sinuate, slightly convex medially; dorsolateral lobe of phallobase semicircularly expanded ven- trad at basal 1/3 on the right side ( Figs 73–76 )................................... M. triangularis Che, Wang et Chou

- Anal tube with apical margin almost straight medially, dorsolateral lobe of phallobase not expanded at basal part ( Chen et al. 2014: 71, Figs 2 -28)..................................................... M. pianmaensis Chen, Zhang et Chang

5. Tegmina with inner margin has pale linear macula near middle ( Fig. 51 )....................... M. chilocorides (Walker)

- Tegmina without such macula............................................................................ 6

6. Tegmina testaceous ( Fig. 59 )............................................................. M. recurrens (Butler)

- Tegmina pale brown................................................................................... 7

7. Tegmina with five white small spots on the surface ( Figs 21 & 23 )............................ M. albimaculata sp. nov.

- Tegmina without white small spots on the surface............................................................ 8

8. Lateral lobes of phallobase with dorsal margin serrated near apex, ventral lobe with apical margin sinuate ( Chen et al. 2014: 76, Figs 2 -31)......................................................................... M. arcuata sp. nov.

- Lateral lobes of phallobase with dorsal margin smooth, ventral lobe with apical margin concave....................... 9

9. Anal tube with apical margin slightly convex in middle; lateral lobes of phallobase has a long, sword-shaped process medially; ventral hooks of aedeagus shorter than one-third of aedeagus in profile ( Chen et al. 2014: 76, Figs 2 -29)............................................................................................ M. qiana Chen, Zhang et Chang

- Anal tube with apical margin shallowly concave in middle; lateral lobes of phallobase has a short spinous process subapically; ventral hooks of aedeagus longer than one-third of aedeagus in profile ( Figs 71 & 72 )..... M. lanceolata Che, Wang et Chou

10. Tegmina without stripe or fascia ( Figs 64 & 65 )....................................... M. naevia Che, Wang et Chou

- Tegmina with an oblique stripe at base and a long fascia in middle.............................................. 11

11. Anal tube with apical margin convex in middle; lateral lobes of phallobase serrate dorso-caudally to ventrally ( Figs 42–44 ).............................................................................. M. serrata Che, Wang et Chou

- Anal tube with apical margin concave in middle, lateral lobes of phallobase serrate dorsally.......................... 12

12. Lateral lobes of phallobase with serrated dorsal margin straight, shorter than half length of phallobase; aedeagus with curved hooks both arising from the right side ( Figs 11–13 )........................................... M. bistriata sp. nov.

- Lateral lobes of phallobase with serrated dorsal margin concave, nearly half length of phallobase; aedeagus with the upper hook arising from the right side and the lower one arising from middle (Figs 31 & 32).............. M. latistriata sp. nov.

Figures

FIGURES 73 – 80. 73 – 76. Mongoliana triangularis Che, Wang & Chou, 2003 (paratype); 77 – 80. Mongoliana sinuata Che, Wang et Chou, 2003 (holotype). 73, 78. male anal tube, dorsal view; 74, 79. penis, right view; 75. penis, apical half, ventral view; 76, 77. penis, left view; 80. penis, ventral view. Scale bars = 0.2 mm.

FIGURES 1 – 6. 1 – 3. Mongoliana bistriata sp. nov.; 4 – 6. Mongoliana latistriata sp. nov. 1, 6. habitus, dorsal view; 2, 5. habitus, lateral view; 3, 4. frons and clypeus. Scale bars = 1 mm.

FIGURES 51 – 58. 51 – 54. Mongoliana chilocorides (Walker, 1851) (syntype); 55 – 58. Mongoliana recurrens (Butler, 1875) (syntype), 51, 55. habitus, dorsal view; 52, 56. head and thorax, lateral view; 53, 57. frons and clypeus; 54, 58. labels.

FIGURES 59 – 65. 59 – 63. Mongoliana recurrens (Butler, 1875) (specimens from Fujian); 64, 65. Mongoliana naevia Che, Wang et Chou, 2003 (holotype). 59, 64, 65. male; 60 – 63. female. 59 – 61, 64. habitus, dorsal view; 62, 65. habitus, lateral view; 63. frons and clypeus. Scale bars = 1 mm.

FIGURES 21 – 26. 21 – 23. Mongoliana albimaculata sp. nov.; 24 – 26. Mongoliana triangularis Che, Wang et Chou, 2003 (holotype). 21, 24. habitus, dorsal view; 22, 26. frons and clypeus; 23, 25 habitus, lateral view. Scale bars = 1 mm.

FIGURES 66 – 72. 66 – 70. Mongoliana recurrens (Butler, 1875); 71, 72. Mongoliana lanceolata Che, Wang et Chou, 2003 (holotype). 66. male terminalia, lateral view; 67. capitulum of genital style, dorsal view; 68. penis, ventral view; 69, 71. male anal tube, dorsal view; 70, 72. penis, left view. Scale bars = 0.2 mm.

FIGURES 34 – 44. 34 – 41. Mongoliana latistriata sp. nov.; 42 – 44. Mongoliana serrata Che, Wang et Chou, 2003 (holotype). 34, 36, 38, 39, 41, 42. penis, ventral view; 35, 37, 40. penis, right view. 43. penis, left view; 44. male anal tube, dorsal view. Scale bars = 0.2 mm.

FIGURES 7 – 20. Mongoliana bistriata sp. nov. 7. hindwing; 8. male terminalia, lateral view; 9. male anal tube, dorsal view; 10. capitulum of genital style, dorsal view; 11. penis, left view; 12. penis, right view; 13. penis, ventral view; 14. female anal tube, dorsal view; 15. gonoplac, dorsal view; 16. gonoplac, right view; 17. gonapophyses IX and gonaspiculum bridge, dorsal view; 18. gonapophyses IX and gonaspiculum bridge, left view; 19. gonocoxa VIII and gonapophysis VIII, right view; 20. sternum VII, ventral view. Scale bars = 0.2 mm.