Macropsis, Lewis, 1836

Tishechkin, Dmitri Yu., 2020, Review of the genus Macropsis Lewis, 1836 (Homoptera: Auchenorrhyncha Cicadellidae: Eurymelinae: Macropsini) of Southeastern Kazakhstan with description of new species, Zootaxa 4838 (3), pp. 381-405 : 403

Key to species of Macropsis of Southeastern Kazakhstan

1. 2 nd tergal apodemes elongated, convergent, separated by large round notch, with more or less expanded tips ( Figs. 183–184 ). Body and forewings brown ( Figs. 34–35 ). On Ulmus ............................................. M. illota (Horv.) .

- Combination of characters is different..................................................................... 2

2. 2 nd tergal apodemes wide, rounded, separated by small round notch ( Figs. 190–191 ). Pale yellowish with black pattern, forewings semi-transparent with black veins ( Figs. 36–37 ). On Spiraea ................................. M. sibirica Kusn.

- Combination of characters is different..................................................................... 3

3. Penis shaft in side view broad, usually bent at obtuse angle (e. g. Figs. 52–53, 59–60, 66–67 , 93, 95, 98, 100, 103, 105, 108, 111)................................................................................................ 4

- Penis shaft in side view narrow, usually bent at right angle ( Figs. 196–197, 200 )................................... 15

4. 2 nd tergal apodemes elongate, broadly separated by an oval or U-shaped notch ( Figs. 55–56 ). Body pale greenish, forewings transparent or slightly infumose ( Figs. 8–9 ). On Populus alba ..................................... M. vicina (Horv.)

- 2 nd tergal apodemes of another shape, as a rule, shorter, coloration brighter........................................ 5

5. Male brown, pale yellowish or pale brown, with dark pattern on head, pro-, and mesonotum ( Figs. 5, 24 , 29–31 ).......... 6

- Male green, yellowish green or yellow, forewings sometimes more or less infumose ( Figs. 10–23, 26–28 )................ 8

6. 2 nd sternal apodemes with strong projections on inner margins ( Figs. 146–147 ). Female similar to male or green with various dark or pale yellowish fore part of body ( Figs. 32–33 ). On different willow species................ M. viridobrunnea Dlab.

- 2 nd sternal apodemes with only slight if any projections on inner margins ( Figs. 50–51 , 140–141 )...................... 7

7. Male with greyish or partially black pattern on head, pro-, and mesonotum, frontal spot usually present ( Fig. 5 ). On poplars........................................................................................ M. suspecta Tish.

- Male reddish brown to brown, head unmarked, frontal spot almost always absent ( Fig. 24 ). On willows...... M. cerea Germ.

8. 2 nd sternal apodemes very wide, more or less triangular, separated by narrow gap ( Figs. 92, 94 ). Penis in side view short and wide ( Figs. 93–95 ). Male often with black spots on head and pronotum ( Fig. 18 ). On Salix triandra ....... M. notata (Proh.)

- 2 nd sternal apodemes narrower, separated by wider gap. Head occasionally with frontal spot, pronotum always unspotted.... 9

9. 2 nd tergal apodemes comparatively long and narrow, with sinuate inner margins ( Figs. 102, 104 ); penis in side view tapered evenly from base to apex ( Figs. 103, 105 ). On S. alba ......................................... M. gravesteini Wagn.

- 2 nd tergal apodemes as a rule wider and shorter, more or less rounded; penis in side view of the same width throughout basal half or somewhat extended in middle.....................................................................10.

10. 2 nd tergal apodemes with well-defined incisions on inner margins, sternal apodemes slender, with slightly expanded truncate tips ( Figs. 97, 99 ). Male usually with black frontal spot ( Fig. 20 ). On S. alba .......................... M. ocellata Prov.

- 2 nd tergal apodemes with only shallow if any incisions on inner margins, sternal apodemes as a rule with wider lobes...... 11

11. 2 nd sternal apodemes separated by very wide notch, only slightly convergent ( Figs. 107, 110 ). On S. cinerea ..................................................................................................... M. prasina (Boh.)

- 2 nd sternal apodemes separated by narrower notch, usually distinctly convergent................................... 12

12. Smaragdine green, in males, ends of tarsi darkened ( Figs. 13, 15 ). On S. turanica ........................ M. iliensis Mit.

- Green, yellowish green or yellow, ends of tarsi in males light ( Figs. 10, 23, 26–28 )................................. 13

13. 2 nd sternal apodemes moderately convergent, with narrow tips ( Figs. 64–65 ). Green or yellowish green, in male, forewings usually more or less infumose ( Fig. 10 ). On different willow species................................ M. tarbagataica Mit.

- 2 nd sternal apodemes strongly convergent, with wide or expanded tips sometimes overlapping with each other ( Figs. 127–128, 131–132, 135–136 , 168–171)........................................................................... 14

14. Green or yellowish green ( Fig. 23 ). 2 nd sternal apodemes with comparatively slender lobes usually overlapping (in males from Kyrgyzstan and Southern Kazakhstan, Figs. 127–128, 131–132 ) or separated by narrow gap (in males from Southeastern Kazakhstan, Figs. 135–136 ). 2 nd valvulae of ovipositor with 2–4 preapical teeth ( Figs. 138 ). In Kazakhstan on Salix sect. Helix .......................................................................................... M. milkoi Tish.

- Yellow with slight greenish tinge ( Figs. 26–28 ). 2 nd sternal apodemes with very wide strongly convergent lobes usually overlapping with each other ( Figs. 168–171 ). 2 nd valvulae of ovipositor with 5–7 preapical teeth ( Figs. 180–182 ). On Salix sect. Helix ................................................................................... M. aselae sp. n.

15. Pale greenish, unmarked ( Figs. 44–45 ). 2 nd abdominal apodemes with widely rounded or angular lobes ( Figs. 198–199 ). On Elaeagnus ............................................................................... M. elaeagni Em.

- Coloration different, if greenish, then 2 nd abdominal apodemes with triangular lobes ( Figs. 201–202 )................... 16

16. 2 nd tergal apodemes narrow triangular, usually longer than their width at base ( Fig. 201 ). Pale yellowish or greenish, male usually with dark pattern on head, pro-, and mesonotum, female often lacks any dark pattern ( Figs. 46–47 ). On Populus from the subgenus Turanga ........................................................................ M. scabrosa Kor.

- 2 nd tergal apodemes with widely rounded lobes............................................................. 17

17. Forewings uniformly brown or transparent with brown mesonotal margins ( Figs. 38–40 ). On Rosa .................... 18

- Forewings semitransparent, usually with dark pattern and/or partially darkened veins ( Figs. 41, 43 ), if with light veins, then with light mesonotal margins ( Fig. 42 ). On Hippophae rhamnoides ............................................. 19

18. Pronotum uniformly yellowish, face unmarked. ( Figs. 38–39 ). Smaller; ♂, 3.7–4.1 mm, ♀, 4.5–4.7 mm ........ M. idae Em.

- Pronotum with darkened hind margin, face with more or less developed dark pattern ( Fig. 40 ). Larger; ♂, 4.0– 4.4 mm; ♀, 4.5–5.0 mm........................................................................... M. megerlei (Fieb.) .

19. Smaller, ♂, 3.4–3.7 mm, ♀, 4.2–4.5 mm. ( Figs. 41–42 )......................................... M. emeljanovi Dub.

- Larger, ♂, 4.5–5.0 mm, ♀, 5.3–6.1 mm ( Fig. 43 ).............................................. M. pictipes (Horv.) .

Figures

FIGURES 165–203. Macropsis aselae sp. n. (165–182), M. illota (183–189), M. sibirica (190–195), M. megerlei (196), M. emeljanovi (197), M. elaeagni (198–199), and M. scabrosa (200–203). 165–167, 183–184, 190–191, 198, 201―male abdominal apodemes of the 2nd tergite; 168–171, 185–186, 192, 199, 202—the 2nd sternite; 172–174, 187–188, 193–194, 196–197, 200―penis, lateral view; 175–177―pygofer process, lateral view; 178–179―style; 180–182, 189, 195, 203―the 2nd valvulae of ovipositor.

FIGURES 29–47. Macropsis spp., lateral view.

FIGURES 48–81. Macropsis suspecta (48–54), M. vicina (55–61), M. tarbagataica (62–68), and M. iliensis (69–81). 48–49, 55–56, 62–63―male abdominal apodemes of the 2nd tergite; 50–51, 57–58, 64–65, 69, 71—the 2nd sternite; 52–53, 59–60, 66–67, 70, 72, 74, 77, 80―penis, lateral view; 54, 61, 68, 75, 78, 81―the 2nd valvulae of ovipositor; 73, 76, 79―male 2nd abdominal apodemes. 69–70―paratype of M. iliensis; 71–72―paratype of M. tuvensis.

FIGURES 5–28. Macropsis spp., lateral view.

FIGURES 126–150. Macropsis milkoi (126–138), M. cerea (139–144), and M. viridobrunnea (145–150). 126, 130, 134, 139, 145―male abdominal apodemes of the 2nd tergite; 127–128, 131–132, 135–136, 140–141, 146–147—the 2nd sternite; 129, 133, 137, 142–143, 148–149―penis, lateral view; 138, 144, 150―the 2nd valvulae of ovipositor.

FIGURES 92–111. Macropsis notata (92–96), M. ocellata (97–101), M. gravesteini (102–106), and M. prasina (107–111) from European Russia (92–93, 97–98, 102–103, 107–109) and Southeastern Kazakhstan (94–96, 99–101, 104–106, 110–111). 92, 94, 97, 99, 102, 104, 107, 110―male 2nd abdominal apodemes; 93, 95, 98, 100, 103, 105, 108, 111―penis, lateral view; 96, 101, 106, 109―the 2nd valvulae of ovipositor.