Lemula, Ohbayashi & Chou, 2019

Ohbayashi, Nobuo & Chou, Wen-I, 2019, Revision of the genus Lemula (Coleoptera, Cerambycidae, Lepturinae), Zootaxa 4671 (4), pp. 451-499 : 493-494

Key to the subgenera, species and subspecies of the genus Lemula

1. Pronotum widest at lateral tubercles, strongly constricted near anterior third with transversally swollen apical collar, and weakly constricted in front of posterior margin; hind tibiae short, less than 0. 7 times of hind tibia. [subgenus Lemula ]........... 2

- Pronotum widest at base; apex narrowly marginate without transversely swollen collar area; hind tibiae long, more than 0. 8 times of hind tibia. [subgenus Pseudolemula ].............................................................. 29

2. Elytra pale yellow with distinct cross shaped black pattern (Figs. XIII-26).......................... L. (s. str.) crucifera

- Elytra unicolorous without cross shaped pattern............................................................. 3

3. Elytra glossy blackish brown, widened toward apical fifth in both sexes (Figs. XIII-27)............... L. (s. str.) japonica

- Elytra not glossy blackish brown, almost parallel-sided in male................................................. 4

4. Elytra ochre, yellowish to reddish brown or dark brown....................................................... 5

- Elytra metallic blue, bluish green, bronzy or dark green...................................................... 14

5. Elytra furnished with slanted hairs of even or uneven length (Figs. VI-1–6)........................................ 6

- Elytra furnished with intermixed erect and slanted hairs (Figs. VI-7–11)......................................... 11

6. Elytra elongate, length more than 2.0 times humeral width..................................................... 7

- Elytra shorter, less than 1.7 times humeral width............................................. L. (s. str.) nishimurai

7. Femora bi-colored..................................................................................... 8

- Femora uni-colored................................................................................... 9

8. Pronotum entirely black; abdominal ventrites I–III or I–IV in male, and I–III in female black, and the remainder yellow..... L. (s. str.) decipiens

- Pronotum at least partly reddish brown; abdominal ventrites in males black except lateral margins, (black area reduced in females).............................................................................. L. (s. str.) rufithorax

9. Elytra shorter than twice humeral width; elytra with moderately dense punctures (Fig. VI-4)............ L. (s. str.) confusa

- Elytra longer than twice humeral width; elytral with sparse punctures (Figs. VI-5, 6)............................... 10

10. Dorsal surface lusterless; elytral punctures large (Fig. VI-5); elytral hairs rather long; only the last abdominal ventrite yellow; distributing in high altitude of ca. above 2,000 m ........................................... L. (s. str.) aequipilosa

- Dorsal surface glossy; elytral punctures small (Fig. VI-6); elytral hairs very short; apical three or four abdominal ventrites yellow in male, and all ventrites yellowish in female; occurs at middle altitudes of below 2,000 m ........................................................................................................... L. (s. str.) nitidiuscula .

11. Dorsal surface glossy; elytra reddish brown, sparsely furnished with short slanted hairs intermixed with a long erect hairs (Fig. VI-11)........................................................................... L. (s. str.) brunneipennis

- Dorsal surface not glossy; elytra yellowish to blackish brown, densely furnished with slanted hairs with several intermixed erect hairs.............................................................................................. 12

12. Slanted hairs of elytra less than half the length of erect hairs (Fig. VI-9); legs reddish brown except for black apices of each femur and dark apical tarsomere............................................................... L. (s. str.) zhani

- Slanted hairs of elytra long, slightly shorter than the length of erect hairs; legs dark brown to black................... 13

13. Pronotal hairs short; endophallus with H-shaped dm but without ds (Fig. V-10).................... L. (s. str.) jinfoshana

- Pronotal hairs long; endophallus with cordiform dm and spherical ds ........................................... 14

14. Head and pronotum glossy, usually black with sparse punctures; elytra with long erect and slanted hairs, the former bristle-like and thicker than the latter (Fig. VI-8)......................................................... L. (s. str.) setigera

- Head and pronotum lusterless, usually reddish to blackish brown with dense punctures; elytra densely punctured with moderate length of erect and slanted hairs, both are of same thickness (Fig. VI-7)....................... L. (s. str.) testaceipennis

15. Head, pronotum and legs bluish green.................................................................... 16

- Head, pronotum and legs yellowish to reddish brown........................................................ 18

16. Elytral hairs whitish to pale yellow...................................................................... 17

- Elytral hairs blackish to dark brown...................................................................... 19

17. Elytra longer than twice humeral width; pronotum longer than wide; endophallus of Type A......... L. (s. str.) cyanipennis

- Elytra shorter than twice humeral width; endophallus of Type C............................................... 18

18. Abdominal ventrites entirely yellowish in both sexes; antennae rather long; pronotal punctures sparse; elytral punctures fine............................................................................ L. (s. str.) formosana formosana

- Lateral base of abdominal ventrites I–II of male usually darkened; antennae rather short; pronotal punctures dense; elytral punctures large and coarse.......................................................... L. (s. str.) formosana aenea

19. Head and pronotum black with bluish or greenish tint........................................................ 20

- Head and pronotum light yellowish brown................................................................ 26

20. Elytra furnished with short suberect or subrecumbent hairs................................................... 21

- Elytra densely furnished with long suberect hairs........................................................... 24

21. Elytral hairs black; elytra shorter than twice humeral width................................................... 22

- Elytral hairs pale (Fig. XII-15); elytra same as or longer than twice humeral width................... L. (s. str.) simillima

22. Elytra with dense hairs (Fig. XII-15)........................................................ L. (s. str.) coerulea

- Elytral with sparse hairs............................................................................... 23

23. Elytral with subrecumbent hairs (Fig. XII-17); abdominal ventrites partly black in male and entirely yellow in female (Fig. IX- 18)..................................................................................... L. (s. str.) fracta

- Elytral with suberect hairs (Fig. XII-20); abdominal ventrites partly black in both sexes (Fig. IX-17)......... L. (s. str.) par

24. Abdominal ventrites at least partly black in both sexes; pronotum longer than basal width........................... 25

- Abdominal ventrites partly black in male and entirely yellow in female (Fig. IX-18); pronotum shorter than basal width........................................................................................ L. (s. str.) holzschuhi

25. Abdominal ventrites I–II or I–III black in both sexes....................................... L. (s. str.) shaanxiensis

- Abdominal ventrites entirely black in both sexes (Fig. X-19)...................................... L. (s. str.) pilifera

26. Antennae yellowish brown; pronotum longer than wide...................................................... 27

- Antennae except for scape dark brown; pronotum wider than long.............................................. 28

27. Elytra with sparse fine punctures associated with very short suberect hairs.............. L. (s. str.) gorodinskii gorodinskii

- Elytra with moderately dense distinct punctures associated with moderately long slanted hairs........................................................................................................................................................................................................ L. (s. str.) gorodinskii henanica

28. Elytral hairs moderately dense and as long as space between punctures (Fig. XIV-24)................. L. (s. str.) lata lata

- Elytral hairs sparse and very short (Fig. XIV-25)......................................... L. (s. str.) lata zhejianga

29. Elytra metallic green.......................................................... L. (Pseudolemula) viridipennis

- Elytra yellowish brown.............................................................. L. (Pseudolemula) tichyi