Polana, DeLong, 1942

Domahovski, Alexandre Cruz, 2025, Five new species of Polana (Polana) (Hemiptera: Cicadellidae: Gyponini) from Brazil and Costa Rica, and new combinations in the genus, Zootaxa 5584 (2), pp. 179-204 : 198-200

Key to males of the subgenus Polana

1. Style ( Fig. 9J ) foot-shaped apically, ventral margin bearing prominent projection near mid-length of blade............... 2

- Style ( Fig. 2J ) not foot-shaped, without projection on ventral margin of blade..................................... 13

2. Aedeagus ( Fig. 9L ) shaft without processes................................................................ 3

- Aedeagus ( Fig. 9L ) shaft with apical or subapical processes.................................................... 4

3. Subgenital plate ( Fig. 9H ) elongated, 2x longer than wide. Style ( Fig. 9J ) ventral projection robust and rounded.................................................................................................. P. torta sp. nov.

- Subgenital plate ( DeLong & Freytag 1972: 278, fig. 197) short, almost as long as wide. Style ( DeLong & Freytag 1972: 278, fig. 196) ventral projection slender............................................. P. mala DeLong & Freytag, 1972

4. Aedeagus (DeLong 1984: 49, fig. 18) basolateral processes short and membranous; shaft with subapical processes directed dorsally, branched medially forming a short spur......................................... P. confusa DeLong, 1984

- Aedeagus basolateral processes long, not membranous; shaft with apical or subapical processes directed ventrally, laterally, or curved dorsally, never branched.......................................................................... 5

5. Aedeagus ( DeLong & Freytag 1972: 278, fig. 205) basolateral processes not widened near base and without projection on ventral margin near base............................................................................... 6

- Aedeagus ( DeLong & Freytag 1972: 274, fig. 185) basolateral processes widened near base or with projection on ventral margin near base..................................................................................... 8

6. Aedeagus ( DeLong & Freytag 1972: 274, fig. 175) apical processes very short, spiniform.................................................................................................. P. principia DeLong & Freytag, 1972

- Aedeagus ( DeLong & Freytag 1972: 278, fig. 205) apical or subapical processes approximately one third length of shaft... 7

7. Aedeagus ( DeLong & Freytag 1972: 274, fig. 170) with pair of apical processes twisted apically.............................................................................................. P. aspersa DeLong & Freytag, 1972

- Aedeagus ( DeLong & Freytag 1972: 278, fig. 205) with pair of subapical processes not twisted apically........................................................................................... P. peda DeLong & Freytag, 1972

8. Aedeagus ( DeLong & Freytag 1972: 271, fig. 165) shaft with pair of subapical processes............................ 9

- Aedeagus ( DeLong 1980: 128, figs 11, 12) shaft with pair of apical processes........ P. robusta DeLong, 1980 comb. nov.

9. Aedeagus shaft with pair of subapical processes directed laterally or curved dorsally.............................. 10

- Aedeagus shaft with pair of subapical processes directed ventrally............................................. 11

10. Aedeagus ( DeLong & Freytag 1972: 274, fig. 184) shaft with pair of subapical processes elongated, directed laterally.............................................................................. P. gelera DeLong & Freytag, 1972

- Aedeagus ( DeLong & Freytag 1972: 274, fig. 180) shaft with pair of subapical processes short, curved dorsally................................................................................. P. spindella DeLong & Freytag, 1972

11. Aedeagus ( DeLong & Freytag 1972: 271, figs 154, 155) with apical portion expanded, spatulate, not curved ventrally.............................................................................. P. quadrinotata (Spångberg, 1878)

- Aedeagus apical portion recurved ventrally............................................................... 12

12. Aedeagus ( DeLong & Freytag 1972: 271, figs 164, 165) basolateral processes as long as shaft, with apex not tapered, bluntly pointed; shaft with subapical processes, in posterior view, approximately parallel to shaft... P. pensa DeLong & Freytag, 1972

- Aedeagus ( DeLong & Freytag 1972: 271, figs 159, 160) basolateral processes shorter than shaft, with apex tapered and acute; shaft with subapical processes, in posterior view, directed lateroventrally............... P. unca DeLong & Freytag, 1972

13. Aedeagus ( Fig. 4K ) basolateral processes branched......................................................... 14

- Aedeagus basolateral processes not branched.............................................................. 16

14. Aedeagus ( Fig. 4K ) basolateral processes strongly widened near base.............................. P. insolita sp. nov.

- Aedeagus basolateral processes slender................................................................... 15

15. Aedeagus ( DeLong & Freytag 1972: 278, fig. 189) basolateral processes with outer branch about half as long as inner branch, both directed dorsally....................................................... P. optata DeLong & Freytag, 1972

- Aedeagus ( DeLong & Foster 1982: 325, fig. 1) basolateral processes with apical branch short, directed dorsally, and subapical long branch directed ventrally............................................. P. portochuela DeLong & Foster, 1982

16. Style ( DeLong & Freytag 1972: 288, fig. 266) blade with distal portion abruptly and greatly expanded above basal portion.. 17

- Style blade with distal portion not expanded or progressively expanding towards apex.............................. 22

17. Aedeagus ( DeLong & Freytag 1972: 278, fig. 199) shaft with pair of subapical processes.... P. nidula DeLong & Freytag, 1972

- Aedeagus shaft pair of apical processes................................................................... 18

18. Aedeagus apical processes directed ventrally or laterally..................................................... 19

- Aedeagus apical processes directed dorsally............................................................... 20

19. Aedeagus ( DeLong & Freytag 1972: 287, figs 264, 265) basolateral processes slender, parallel to shaft; apical processes directed ventrally................................................................. P. alitera DeLong & Freytag, 1972

- Aedeagus ( DeLong & Freytag 1972: 287, figs 254, 255) basolateral processes robust, not parallel to shaft; apical processes directed laterally............................................................ P. parca DeLong & Freytag, 1972

20. Aedeagus ( DeLong & Foster 1982: 325, figs 6, 7) basolateral processes with apical portion abruptly curved ventrally................................................................................. P. innata DeLong & Foster, 1982

- Aedeagus basolateral processes with apical portion straight or slightly curved dorsally............................. 21

21. Pygofer ( DeLong & Freytag 1972: 281, fig. 213) with basodorsal processes tapered apically. Aedeagus ( DeLong & Freytag 1972: 281, fig. 210) basolateral processes short, extending to apical third of shaft; shaft in lateral view slender..................................................................................... P. bulba DeLong & Freytag, 1972

- Pygofer ( DeLong & Freytag 1972: 287, fig. 263) with basodorsal processes expanded apically, bearing two dorsal teeth. Aedeagus ( DeLong & Freytag 1972: 287, fig. 260) basolateral processes as long as shaft; shaft in lateral view strongly expanded medially...................................................................... P. fusconotata (Osborn, 1938)

22. Aedeagus basolateral processes with apical portion abruptly bending ventrally.................................... 23

- Aedeagus basolateral processes with apical portion not curved ventrally......................................... 25

23. Aedeagus ( DeLong & Freytag 1972: 287, figs 249, 250) shaft without processes........ P. ruppeli DeLong & Freytag, 1972

- Aedeagus shaft with pair of apical processes............................................................... 24

24. Pygofer ( DeLong & Freytag 1972: 283, fig. 248) basodorsal process with teeth not prominent................................................................................................. P. scruta DeLong & Freytag, 1972

- Pygofer ( DeLong & Freytag 1972: 283, fig. 243) basodorsal process with prominent teeth.................................................................................................. P. squalera DeLong & Freytag, 1972

25. Aedeagus ( Fig. 7K ) basolateral processes, in lateral view, strongly widened medially................ P. sinopensis sp. nov.

- Aedeagus basolateral processes, in lateral view, slender, not widened medially.................................... 26

26. Aedeagus ( DeLong & Freytag 1972: 283, fig. 235) shaft with pair of processes at mid-length.................................................................................................. P. coresa DeLong & Freytag, 1972

- Aedeagus shaft without processes at mid-length............................................................ 27

27. Aedeagus shaft, in posterior view, strongly widened......................................................... 28

- Aedeagus shaft, in posterior view, slender or only widened apically............................................. 29

28. Aedeagus ( DeLong & Freytag 1972: 281, figs 214, 215), in lateral view, elevated from base to near apical third; in posterior view, shaft with about 2x longer than wide, with two pairs of short lateral processes on apical third............................................................................................. P. lanara DeLong & Freytag, 1972

- Aedeagus ( Fig. 2K ), in lateral view, basal portion strongly elevated and abruptly narrowing in the apical two-thirds; in posterior view, more than 3x longer than wide, with three short apical and subapical processes; apical portion bifid, each ramus with three short spine-like processes.................................................................. P. inflexa sp. nov.

29. Aedeagus ( DeLong & Triplehorn 1979: 188, fig. 69) shaft with pair of long dorsal processes near base............................................................................. P. thugana DeLong & Triplehorn, 1979 comb. nov.

- Aedeagus shaft without dorsal processes near base.......................................................... 30

30. Aedeagus ( DeLong & Triplehorn 1979: 181, fig. 61) apex with row of spine-like processes......................................................................................... P. onara DeLong & Triplehorn, 1979 comb. nov.

- Aedeagus apex without row of spine-like processes......................................................... 31

31. Aedeagus ( Fig. 5K ) basolateral processes short, almost membranous, extending to midlength of shaft... P. languida sp. nov.

- Aedeagus basolateral processes extending to apex of shaft.................................................... 32

32. Aedeagus ( DeLong & Freytag 1972: 283, figs 229, 230), in posterior view, shaft apical portion not widened, with minute pair of processes............................................................. P. flectara DeLong & Freytag, 1972

- Aedeagus, in posterior view, shaft apical portion widened, with pair of apical or subapical processes about 1/4 length of shaft .................................................................................................. 33

33. Aedeagus ( DeLong & Freytag 1972: 281, figs 219, 220) basodorsal process robust; shaft with pair of subapical processes.......................................................................... P. inimica DeLong & Freytag, 1972

- Aedeagus ( DeLong & Freytag 1972: 281, figs 224, 225) basodorsal process slender; shaft with pair of apical processes............................................................................. P. merga DeLong & Freytag, 1972

Figures

FIGURE 2. Polana (P.) inflexa sp. nov., holotype male. A, head and thorax, dorsal view. B, head, ventral view. C, head and thorax, lateral view. D, forewing. E, sternite VIII, ventral view. F, valve, ventral view. G, pygofer, valve, subgenital plate and detail of the basodorsal process, lateral view. H, subgenital plate, ventral view. I, style and connective, dorsal view. J, style, lateral view. K, aedeagus, lateral view. L, aedeagus, posterior view. Scale bars in mm.

FIGURE 4. Polana (P.) insolita sp. nov., holotype male. A, head and thorax, dorsal view. B, head, ventral view. C, head and thorax, lateral view. D, forewing. E, sternite VIII, ventral view. F, valve, ventral view. G, pygofer, valve, subgenital plate and detail of the basodorsal process, lateral view. H, subgenital plate, ventral view. I, style and connective, dorsal view. J, style, lateral view. K, aedeagus, lateral view. L, aedeagus, posterior view. Scale bars in mm.

FIGURE 5. Polana (P.) languida sp. nov., holotype male. A, head and thorax, dorsal view. B, head, ventral view. C, head and thorax, lateral view. D, forewing. E, sternite VIII, ventral view. F, valve, ventral view. G, pygofer, valve, subgenital plate and detail of the basodorsal process, lateral view. H, subgenital plate, ventral view. I, style and connective, dorsal view. J, style, lateral view. K, aedeagus, lateral view. L, aedeagus, posterior view. Scale bars in mm.

FIGURE 7. Polana (P.) sinopensis sp. nov., holotype male. A, head and thorax, dorsal view. B, head, ventral view. C, head and thorax, lateral view. D, forewing. E, sternite VIII, ventral view. F, valve, ventral view. G, pygofer, valve, subgenital plate and detail of the basodorsal process, lateral view. H, subgenital plate, ventral view. I, style and connective, dorsal view. J, style, lateral view. K, aedeagus, lateral view. L, aedeagus, posterior view. Scale bars in mm.

FIGURE 9. Polana (P.) torta sp. nov., holotype male. A, head and thorax, dorsal view. B, head, ventral view. C, head and thorax, lateral view. D, forewing. E, sternite VIII, ventral view. F, valve, ventral view. G, pygofer, valve, subgenital plate and detail of the basodorsal process, lateral view. H, subgenital plate, ventral view. I, style and connective, dorsal view. J, style, lateral view. K, aedeagus, lateral view. L, aedeagus, posterior view. Scale bars in mm.