Fistulatus

Hassan, Muhammad Asghar, Shah, Bismillah & Xing, Jichun, 2024, Key to species of the leafhopper genus Fistulatus Zhang, Zhang & Chen (Hemiptera: Cicadellidae: Deltocephalinae: Drabescini) with description of a new species, Zootaxa 5481 (3), pp. 363-372 : 364-365

Key to species (males) of Fistulatus (modified from Lu & Zhang, 2014)

1 Pygofer with two pairs of processes ( Fig. 35 )............................................................... 2

- Pygofer with one pair of processes ( Fig. 6 )................................................................. 5

2 Aedeagal shaft with one or more processes in distal half; pygofer processes extended mesad......................... 3

- Aedeagal shaft without processes in distal half ( Figs 38–39 ); pygofer processes extended distad ( Fig. 35 )....... F. luteolus

3 Aedeagal shaft with pair of short, slender preapical processes ( Figs 57–59 )......................... F. quadrispinosus

- Aedeagal shaft with process or process flangelike............................................................ 4

4 Aedeagal shaft with a pair of short apical lateral processes ( Figs 28–29 ); ventral process of pygofer side extended toward base ( Fig. 25 )................................................................................. F. biconjugara

- Aedeagal shaft with one dorsal preapical process ( Figs 33–34 ); ventral process of pygofer extended toward apex ( Fig. 30 )........................................................................................ F. brevimarginalis

5 Aedeagal shaft with one pair of processes or flanges.......................................................... 6

- Aedeagal shaft with two pairs of processes ( Fig. 24 )................................................ F. bidentatus

6 Aedeagal shaft with spikelike lateral preapical processes ( Figs 10–13 )........................................... 7

- Aedeagal shaft not as above ( Figs 17–18 , 42–43, 48 )......................................................... 8

7 Aedeagal shaft with hammer-shaped apex in lateral view ( Fig. 12 )............................. F. motuoensis sp. nov.

- Aedeagal shaft with somewhat digitate apex in lateral view ( Fig. 54 ).................................... F. sinensis

8 Pygofer with processes directed medially ( Fig. 45 ); aedeagus with shaft relatively straight in lateral view ( Fig. 49 ).................................................................................................. F. rectilineus

- Pygofer with processes directed ventrally ( Fig. 40 ); aedeagus with shaft curved dorsally in lateral view ( Fig. 44 ).......... 9

9 Connective with lateral processes ( Fig. 16 ); style with apical process slightly curved laterally, digitate ( Fig. 15 )... F. athena

- Connective without lateral processes; style with apical process strongly curved laterally, foot-like ( Fig. 41 )..................................................................................................... F. monkoboensis

Figures

FIGURES 14–39. Fistulatus species. 14–19: F. athena (after Shang & Zhang, 2003), 14: male pygofer, lateral view; 15: style, dorsal view; 16: connective, dorsal view; 17: aedeagus, ventral view; 18: aedeagus, dorsal view; 19: aedeagus, lateral view; 20– 24: F. bidentatus (after Cen & Cai, 2002), 20: male pygofer, dorsolateral view; 21: style, ventral view; 22: connective, ventral view; 23: aedeagus, ventral view; 24: aedeagus, lateral view; 25–29: F. biconjugara (after Yang et al. 2024), 25: male pygofer, lateral view; 26: style, dorsal view; 27: connective, dorsal view; 28: aedeagus, ventral view; 29: aedeagus, lateral view; 30–34: F. brevimarginalis (after Yang et al. 2024), 30: male pygofer, lateral view; 31. style, dorsal view; 32: connective, dorsal view; 33: aedeagus, ventral view; 34: aedeagus, lateral view; 35–39: F. luteolus (after Cen & Cai, 2002), 35: male pygofer, lateral view; 36: style, ventral view; 37: connective, ventral view; 38: aedeagus, ventral view; 39: aedeagus, lateral view.

FIGURES 5–13. Fistulatus motuoensis Hassan & Xing sp. nov. Male. 5. Genitalia (after maceration), lateral view; 6. Male pygofer, lateral view; 7. Valve and subgenital plate, ventral view; 8. Style, lateral view; 9. Connective, dorsal view; 10.Aedeagus, dorsal view; 11. Aedeagus, ventral view; 12. Aedeagus, lateral view; 13. Aedeagus, anteroventral view focusing on the apex.

FIGURES 40–59. Fistulatus species. 40–44: F. monkoboensis (after Shang & Zhang, 2003), 40: male pygofer, lateral view; 41: subgenital plate, valve, style and connective, ventral view; 42: aedeagus, dorsal view; 43: aedeagus, ventral view; 44: aedeagus, lateral view; 45–49: F. rectilineus (after Shang et al., 2006), 45: male pygofer, lateral view; 46: style, dorsal view; 47: connective, dorsal view; 48: aedeagus, ventral view; 49: aedeagus, lateral view; 50–54: F. sinensis (after Zhang et al., 1997), 50: male pygofer, lateral view; 51: style, dorsal view; 52: connective, dorsal view; 53: aedeagus, posteroventral view; 54: aedeagus, lateral view; 55–59: F. quadrispinosus (after Lu & Zhang, 2014), 55: male pygofer, lateral view; 56: subgenital plate, valve, style and connective, ventral view; 57: aedeagus, lateral view; 58: aedeagus, ventral view; 59: aedeagus, dorsal view.