Sulabanus

Dvorak, Milan & Bocak, Ladislav, 2007, Sulabanus gen. nov., a new genus of Lycidae (Coleoptera) from Sulawesi, Zootaxa 1611, pp. 1-24 : 22-23

Key to males of the genus Sulabanus *

*This diagnostic key is based solely on male morphology because females of most species are unknown.

1. Elytra with a yellow transverse patch on humeral third of elytra; elytra black around scutellum ............. 2

– Elytra concolorous dark brown to black or only slightly lighter at humeri; if humeral area is lighter, coloration is lightest around the scutellum ....................................................................................................... 12

2. Diameter of eyes in lateral view considerably larger than their frontal interocular distance or their interocular distance approximately equaling eye diameter (ratio 0.80–1.00) ........................................................ 3

– Frontal interocular distance larger, 1.20 to 1.60 times the maximum eye diameter in lateral view.......... 6

3. Apex of phallus at most shallowly emarginate; phallus 3.5-4.0 times wider in middle of its length than in the narrowest point in the apical third (Figs. 19, 21) .................................................................................. 4

– Apex of phallus with two slender processes; phallus parallel–sided or at most 1.7 times wider in middle of its length than in the narrowest point in the apical third, (Figs. 43, 49) ..................................................... 5

4. Widened middle part of phallus more steeply narrowed to apex than to base (Fig. 19) ................ S. minor

– The widened middle part of phallus gradually narrowed to both apex and base (Fig. 21)........ S. cordatus

5. Phallus slender in apical third (Fig. 49), interocular distance equaling eye diameter; ventral part of thorax black............................................................................................................................................. S. ocularis

– Phallus robust in apical half (Fig. 43), very slender basally; frontal interocular distance about 0.80 times eye diameter; ventral part of thorax yellow ......................................................................... S. amporiwensis

6. Phallus considerably widened in middle part, 3.0 times wider in middle of its length than in the narrowest point in apical third of its length (Fig. 15) ............................................................................. S. mamasensis

– Phallus robust or slender, but always parallel–sided or gradually narrowed to apex and base, at most 2.0 times wider in middle of its length than in the narrowest point in the apical third of its length (Figs. 27–62) .................................................................................................................................................................... 7

7. Apical part of phallus deeply emarginate, depth of concavity at frontal edge of the apex of phallus at least 0.8 of distance between points of apical processes of phallus (Figs. 39, 45–48) ....................................... 8

– Apical part of phallus simply rounded with straight frontal edge (Fig. 27) or pointed (Fig. 51) or at most very shallowly emarginate at apex, depth of concavity at most one tenth of width of phallus in middle of its length (Fig. 55) ..................................................................................................................................... 10

8. Thorax ventrally yellow; phallus as in Figs. 39–40 ........................................................................ S. major

– Thorax ventrally black; phallus as in Figs. 45–48....................................................................................... 9

9. Apical part of phallus parallel–sided; processes at apex of phallus very slender (Fig. 45) ............ S. robustus

– Apical part of phallus gradually narrowed to apex; processes at apex of phallus robust (Fig. 47) ............... .................................................................................................................................................. S. brancuccii

10. Frontal interocular distance about 1.60 times eye diameter; apical part of phallus gradually narrowed to apex, pointed (Fig. 51) ..................................................................................................................... S. similis

– Frontal interocular distance 1.30-1.40 times eye diameter; apical part of phallus wide, shallowly emarginate at apex ................................................................................................................................................. 11

11. Phallus robust, narrower at apex (Figs. 27–28) ..................................................................... S. pendolensis

– Phallus slender, apical part widened (Figs. 57–58) ..................................................................... S. gracilis

12. Phallus very slender, membranous in apical part (Figs. 59–62)............................................................... 13

– Phallus robust (e. g. Figs. 17, 23, 25, 29, 33, 41) ..................................................................................... 14

13. Phallus widened in basal part (Figs. 61–61); pronotum reddish brown .................................... S. utarensis

– Phallus slender in basal part (Figs. 59–60); pronotum black .............................................. S. tenggahensis

14. Apical part of phallus deeply emarginate and apical processes of phallus pointed ........................ S. niger

– Apical part of phallus at most shallowly emarginate, without any pointed processes at apex ................ 15

15. Phallus apparently widest in middle part (Figs. 17, 23, 25) ..................................................................... 16

– Phallus about parallel–sided in middle part, gradually narrowed basally and apically (e. g. Figs. 29, 33, 35, 37).............................................................................................................................................................. 18

16. Apical part of phallus gradually widened to apex (Fig. 17) ............................................................... S. ulci

– Apical part of phallus parallel–sided with lobe shaped, widened apex ..................................................... 17

17. Basal part of phallus gradually narrowed to base; parallel–sided apical part of phallus long (Figs. 23–24) ...................................................................................................................................................... S. barclayi

– Widened middle part of phallus suddenly narrowed to slender basal part; parallel–sided apical part short (Figs. 25–26) ......................................................................................................................... S. nigricordatus

18. Humeral part lighter than rest of elytra ..................................................................................................... 19

– Elytra concolorous black ........................................................................................................................... 20

19. Pronotal margins lightly coloured; apex of phallus rounded, middle part with erect setae (Figs. 31–32); frontal interocular distance 1.32 times eye diameter. ........................................................ S. rufomarginatus

– Whole pronotum dark brown to black; phallus wide at apex, without any setae (Figs. 33–34); frontal interocular distance 1.42 times eye diameter ............................................................................. S. brunneus

20. Frontal interocular distance less than 1.25 times eye diameter ................................................................. 21

– Frontal interocular distance more than 1.35 times eye diameter .............................................................. 22

21. Phallus widest in apical quarter (Figs. 29–30)................................................................................... S. lalui

– Phallus widest in middle of phallic length (Figs. 35–36) ........................................... S. dumongabonensis

22. Phallus constricted before apex (Figs. 55, 57); frontal interocular distance less than 1.45 times eye diame- ter .............................................................................................................................................................. 23

– Phallus gradually narrowed to apex (Figs. 53–54); frontal interocular distance more than 1.50 times eye diameter ..................................................................................................................................... S. katarinae

23. Phallus very slender (Figs. 57–58) ..................................................................................... S. ambangensis

– Phallus robust, widest in middle part (Figs. 37–38) ................................................................... S. lineatus