Evacanthini

Wang, Yang, Viraktamath, Chandra A. & Zhang, Yalin, 2015, Mediporus, a new genus of the leafhopper subfamily Evacanthinae (Hemiptera: Cicadellidae), with a key to genera of the Evacanthini, Zootaxa 3964 (3), pp. 379-385 : 380

Key to genera of Evacanthini

1. Head three or more times as long medially as dorsal distance between eyes.......................... Vangama Distant

- Head at most 2.7 times as long medially as dorsal distance between eyes......................................... 2

2. Median carina of vertex strongly elevated and crestlike or lamellate............................................. 3

- Medan carina of vertex not strongly elevated............................................................... 7

3. Male pygofer with ventral process........................................................................ 5

- Male pygofer without ventral process..................................................................... 4

4. Aedeagal shaft with lateral lobes well developed............................................... Cunedda Distant

- Aedeagal shaft without lateral lobes..................................................... Parapythamus Li & Li

5. Gonopore apical...................................................................................... 6

- Gonopore at midlength of shaft in ventral view................................... Mediporus Wang & Zhang , gen. n.

6. Aedeagus with lateral large lamellate processes........................................ Pythochandra Wei & Webb

- Aedeagus without lateral large lamellate processes.............................................. Pythamus Distant

7. Claval veins fused medially for a short distance then separated; head about 2–2.7 times as long as dorsal distance between eyes dorsally............................................................................................. 8

- Claval veins separate; head shorter, not strongly produced.................................................... 9

8. Male pygofer with ventral process....................................................... Striatanus Li & Wang

- Male pygofer without ventral process........................................................... Riseveinus Li

9. Crown strongly declivous anteriorly, strongly rounded to swollen face, frontoclypeus in profile forming distinct shelf above clypellus, anterior margin of head with carinae forming hexagon or pentagon divided medially by median carina of vertex...................................................................................... Risefronta Li & Wang

- Crown not declivous, frontoclypeus in profile elevated above clypellus both forming smooth curve, anterior margin of head with carinae not forming polygon....................................................................... 10

10. Disc of crown strongly concave; transition between crown and face sharp edged.......... Concavocorona Wang & Zhang

- Disc of crown not strongly concave; transition between crown and face rounded.................................. 11

11. Male pygofer with ventral process....................................................................... 12

- Male pygofer without ventral process (some species of Onukia with apical and subapical ventral toothlike projections).... 17

12. Head broadly rounded in front with distinctly concave areas on either side of median carina on vertex............................................................................................... Evacanthus Le Peletier&Serville

- Head conically rounded, vertex rather flat, without lateral concavities........................................... 13

13. Male pygofer broader than long, ventral process thin and long, exceeding caudodorsal margin....... Angustuma Xing & Li

- Male pygofer longer than broad; ventral process not as above................................................. 14

14. Male pygofer lobe strongly narrowed caudally with process arising at apical region, exceeding pygofer.... Processus Huang

- Male pygofer lobe and ventral process not as above......................................................... 15

15. Pygofer ventral process thin and not exceeding 0.75 length of lobe............................................. 16

- Pygofer ventral process thick or branched, if thin exceeding posterior margin of lobe................ Carinata Li & Wang

16. Posterior lobe of pygofer with group of stout spines; aedeagal shaft with numerous spicules....... Subulatus Yang & Zhang

- Posterior lobe of pygofer without group of stout spines, simple or bifid process sometimes present near apex; aedeagus shaft without spicules but apex appearing bifid and processes divergent laterally..................... Diramus Wang & Zhang

17. Male pygofer with rows or groups of stout setae on dorsal or ventral margin or on posterior lobe....... Taperus Li & Wang

- Male pygofer without such setae........................................................................ 18

18. Aedeagus with long ventral processes.................................................................... 19

- Aedeagus without long ventral processes................................................................. 20

19. Aedeagus with lateral processes at base..................................................... Multiformis Li & Li

- Aedeagus without lateral processes at base................................................. Paraonukia Ishihara

20. Aedeagus with apical or subapical spinelike processes....................................................... 21

- Aedeagus without apical or subapical spinelike processes.................................................... 22

21. Aedeagus with single pair of processes.................................................... Boundarus Li & Wang

- Aedeagus with two or more pairs of processes............................................... Onukiades Ishihara

22. Face with one round black spot on either side of median line adjacent to eyes on frontoclypeus............................................................................................................. Shortcrowna Li &Li

- Face without such round spots on either side of median line adjacent to eyes on frontoclypeus........................ 23

23. Crown with discal large black spot and anterior median and one lateral smaller black spots on anterior margin.................................................................................................... Bundera Distant

- Crown without such spots.............................................................................. 24

24. Style apophysis with lateral prolongation about one half or more as long as style......................... Convexana Li

- Style apophysis with lateral prolongation about one third or less as long as style....................... Onukia Ishihara