Hishimonus Ishihara, 1953

Singaravel, M. & Singaravel, M., 2020, A new species of the genus Hishimonus Ishihara, 1953 (Hemiptera: Cicadellidae Deltocephalinae) with a new record from India, Zootaxa 4750 (1), pp. 131-137 : 133-134

Key to species of the genus Hishimonus Ishihara from Indian subcontinent (for males) (Modified from Viraktamath & Anantha Murthy (2014)

1. Aedeagal shafts with one pair of basal processes (Viraktamath & Anantha Murthy 2014: Figs 52, 84).................. 13

- Aedeagal shafts without pair of basal processes (Viraktamath & Anantha Murthy 2014: Figs 58, 69)................... 2

2. Apices of aedeagal shafts broad, either rounded or truncate (Viraktamath & Anantha Murthy 2014: Figs 144, 171), but not filiform............................................................................................ ..3

- Apices of aedeagal shafts filiform (Viraktamath & Anantha Murthy 2014: Figs 59, 70, 78, 84, 93)...................... 6

3. Apices of shafts tightly curved mesally (Viraktamath & Anantha Murthy 2014: Fig. 182).......... H. sonapaharensis Rao

- Apices of aedeagal shafts not so curved mesally (Viraktamath & Anantha Murthy 2014: Figs 142, 171)................. 4

4. Aedeagal shafts widely divergent......................................................................... 5

- Aedeagal shafts convergent, without enlarged posteromedial lobe (Viraktamath & Anantha Murthy 2014: Figs 142, 145), gonopore at midlength of shafts (Viraktamath & Anantha Murthy 2014: Fig. 144)........... H. mayarami Rao & Ramakrishnan

5. Apices of aedeagus with enlarged posteromedial lobe (Viraktamath & Anantha Murthy 2014: Fig. 171); gonopore near apex of shaft (Viraktamath & Anantha Murthy 2014: Fig. 171)......................................... H. phycitis (Distant)

- Aedeagus with subapical lamellate expansion along lateral margin (Fig. 7), with lobe like median process in lateral view, gonopore apical (Fig. 6).......................................................................... H. adi sp. nov.

6. Aedeagal shafts triangularly expanded subapically either in lateral (Viraktamath & Anantha Murthy 2014: Fig. 79) or posterodorsal view (Viraktamath & Anantha Murthy 2014: Fig. 109)............................................... 7

- Aedeagal shafts not triangularly expanded subapically (Viraktamath & Anantha Murthy 2014: Figs 93, 156)............ ..8

7. Aedeagal shafts strongly abruptly tapered in lateral view beyond triangular expansion and concavely excavated (Viraktamath & Anantha Murthy 2014: Fig. 79)......................................................... H. concavus Knight

- Aedeagal shaft abruptly narrowed and strongly recurved in lateral view without concave excavation (Viraktamath & Anantha Murthy 2014: Fig. 110)..................................................... H. gillespiei Dai, Fletcher & Zhang

8. Aedeagal shafts in lateral view forked (Viraktamath & Anantha Murthy 2014: Figs 70, 93, 158)..................... ..10

- Aedeagal shafts in lateral view not forked (Viraktamath & Anantha Murthy 2014: Fig. 59)........................... ..9

9. Aedeagal shaft evenly tapered in lateral view, convergent in posterior view ( Meshram & Chaubey 2016: Figs 21-22)....................................................................................... .. H. nauniensis Meshram

- Aedeagal shaft widened distally, abruptly lobed subapically at the base of filamentous process, filamentous process in lateral view anteriorly curved (Viraktamath & Anantha Murthy 2014: Fig. 59)...... H. acuminatus Viraktamath & Anantha Murthy

10. Aedeagal shafts each with a short, lateral, dorsally directed process at level of gonopore........................... ..11

- Aedeagal shafts without process at level of gonopore (Viraktamath & Anantha Murthy 2014: Figs 97, 156)............ 12

11. Aedeagal shaft bifurcated apically, preapical process unbranched(Viraktamath & Anantha Murthy 2014: Figs 91, 93)............................................................................................ H. dividens Knight

- Aedeagal shaft bifurcated apically, preapical process bifurcated ( Meshram & Chaubey 2016: Figs 29-30)............................................................................................. H. pantnagarensis Meshram

12. Aedeagal shafts tapered distad of gonopore (Viraktamath & Anantha Murthy 2014: Fig. 154)............ H. nielsoni Knight

- Aedeagal shafts tapered at level of gonopore (Viraktamath & Anantha Murthy 2014: Figs 69, 70)....... H. arcuatus Knight

13. Subgenital plates with terminal fingerlike process (Viraktamath & Anantha Murthy 2014: Fig.47).................... 14

- Subgenital plates without terminal fingerlike process (Viraktamath & Anantha Murthy 2014: Fig. 117)................ 20

14. Aedeagal shafts shorter than length of basal processes (Viraktamath & Anantha Murthy 2014: Figs 134, 136)........................................................................... H. longisetosus Viraktamath & Anantha Murthy

- Aedeagal shafts longer than length of basal processes (Viraktamath & Anantha Murthy 2014: Figs 52, 84, 190)........ ..15

15. Basal processes arising very close to adjacent shaft (Viraktamath & Anantha Murthy 2014: Figs 52, 202).............. 16

- Basal processes arising between but slightly distant from base of shaft (Viraktamath & Anantha Murthy 2014: Figs 84, 97, 190) ................................................................................................... 17

16. Aedeagal shafts in lateral view broadest subapically (Viraktamath & Anantha Murthy 2014: Fig. 203)...................................................................................... H. thapai Viraktamath & Anantha Murthy

- Aedeagal shafts in lateral view, broad at base and tapering distally (Viraktamath & Anantha Murthy 2014: Fig. 51).............................................................................................. H. aberrans Knight

17. Basal processes arising anterad of shafts on dorsal apodeme (Viraktamath & Anantha Murthy 2014: Figs 221, 222)....................................................................... H. zeylanicus Viraktamath & Anantha Murthy

- Basal processes arising between shafts (Viraktamath & Anantha Murthy 2014: Figs 84, 190)......................... 18

18. Aedeagal shafts each with subapical mesal rounded lobe in posterodorsal view and apical thin filamentous process (Viraktamath & Anantha Murthy 2014: Fig. 84)................................. H. distinctus Viraktamath & Anantha Murthy

- Aedeagal shafts without subapical rounded lobe in posterodorsal view; apical process when present thicker (Viraktamath & Anantha Murthy 2014: Figs 97, 192)..................................................................... 19

19. Posterior lobe of pygofer not spiculate (Viraktamath & Anantha Murthy 2014: Fig. 54); aedeagal shaft in lateral view, triangular subapically, apex gradually tapered(Viraktamath & Anantha Murthy 2014: Fig. 98).................................................................................................... H. dwipae Viraktamath & Anantha Murthy

- Posterior lobe of pygofer strongly speculate, basal processes about half as long as shaft............................ 20

20. Aedeagal shafts in posterior view with inner margins diverging, slightly convexly rounded subapically and in lateral view abruptly tapered, basal processes more close to shaft (Viraktamath & Anantha Murthy 2014: Fig. 192)................................................................................... H. spicans Viraktamath & Anantha Murthy

- aedeagal shaft in ventral view (Fig. 28) with inner margin diverging from base in basal half and curved inwardly, rounded apically, lateral view evenly tapered, basal processes close to each other than to shaft................................................................................................ H. knightiellus Viraktamath & Anantha Murthy

21. Basal process of aedeagus long narrow and closely opposed, each with row of small teeth along distal half on lateral surface (Viraktamath & Anantha Murthy 2014: Fig. 213); posterior margin of female seventh sternum with notched median lobe (Viraktamath & Anantha Murthy 2014: Fig. 214)............................................ H. viraktamathi Knight

- Basal process of aedeagus with basal half broad, then gently curved dorsally with serrations on dorsal surface (Viraktamath & Anantha Murthy 2014: Figs 118, 119); posterior margin of female seventh sternum without median rounded lobe (Viraktamath & Anantha Murthy 2014: Fig. 122).......................................................... H. indicus (Sohi)