Ischnopoderona

Paśnik, Grzegorz, 2007, Revision and phylogenetic analysis of the African genus Ischnopoderona (Scheerpeltz, 1974) new status (Coleoptera, Staphylinidae: Aleocharinae), Zootaxa 1412, pp. 1-54 : 12-15

Key to the species of the genus Ischnopoderona

1. Pronotal puncturation anteriorly different from that posteriorly; pronotal pubescence at midline directed posteriorly in apical 1/4 and anteriorly in basal 3/4 ( Fig. 10 ); pronotal pubescence in posterolateral parts directed straight anteriorly ( Fig. 10 ); pronotal pubescence not pruinose in appearance; pronotal basal impression small and shallow, weakly visible; posterior margin of tergite VIII with row of spines ( Fig. 11 )( gracilicornis group)................................................................................................ 2

– Pronotal puncturation uniform on the whole surface; pronotal pubescence different; pronotal pubescence in postero­lateral parts directed laterally; pronotal pubescence pruinose in appearance; pronotal basal impression relatively large and deep, well visible; posterior margin of tergite VIII without row of spines ( longicollis group).................................................................................................................. 3

2(1). Pronotal puncturation much finer anteriorly than posteriorly .............................................................. 3

– Pronotal puncturation anteriorly and posteriorly of similar coarseness ............................................... 9

3(2). Antennomere 10 paler than preceding antennomeres, white to red...................................................... 4

– Antennomere 10 coloured like preceding antennomeres, brown to black............................................ 7

4(3). Antennomere 3 longer than antennomere 2; elytral puncturation dense; aedeagus as in Figs. 25–26 , spermatheca as in Fig. 27 . Distribution: Democratic Republic of the Congo, Gabon....... micans sp. n.

– Antennomeres 2 and 3 subequal in length; elytral puncturation sparse; aedeagus and spermatheca different ..................................................................................................................................................... 5

5(4). On average smaller, length 2.5 mm; puncturation of head dense; tergal puncturation sparse; aedeagus

as in Figs. 28–29 . Distribution: Ethiopia, Tanzania......................................................... kaszabi (Pace) – On average larger, length 2.7–3.2 mm; puncturation of head sparse; tergal puncturation dense; aedeagus and spermatheca different............................................................................................................... 6

6(5). Body length 3.2 mm; antennomere 11 white; tergites III and IV red; spermatheca as in Fig. 21 . Distribution: Burundi.......................................................................................................... albicornis (Totth.)

– Body length 2.7–3.0 mm; antennomere 11 reddish­yellow; tergites III and IV brown; aedeagus as in Figs. 22–23 , spermatheca as in Fig. 24 . Distribution: Republic of South Africa..... transvaalica sp. n.

7(3). Antennomere 10 longer than wide; second abdominal transverse impression smooth, impunctate; tergal puncturation sparse; aedeagus as in Figs. 18–19 , spermatheca as in Fig. 20 . Distribution: Angola, Democratic Republic of the Congo, Namibia, Republic of South Africa......... gracilicornis (Scheerp.)

– Antennomere 10 as long as wide; second abdominal transverse impression coarsely punctate; tergal puncturation dense; aedeagus and spermatheca different ..................................................................... 8

8(7). Antennomere 11 brown, coloured like preceding antennomeres; pronotum as long as wide; aedeagus as in Figs. 30–31 , spermatheca as in Fig. 32 . Distribution: Democratic Republic of Congo, Gabon, Kenya............................................................................................................................ externa (Fauvel)

– Antennomere 11 yellow, paler than preceding antennomeres; pronotum longer than wide; spermatheca as in Fig. 33. Distribution: Kenya............................................................................... interna (Pace)

9(2). Head with distinct isodiametric mesh microsculpture; elytral puncturation fine and well visible; aedeagus as in Figs. 42–43 , spermatheca as in Fig. 44 . Distribution: Democratic Republic of the Congo, Gabon.......................................................................................................................... belingensis sp. n.

– Head without microsculpture; elytral puncturation minute, pinprick­like and weakly visible; aedeagus and spermatheca different ................................................................................................................... 10

10(9). Puncturation of head very dense; second abdominal transverse impression coarsely punctate; spermatheca as in Fig. 41 . Distribution: Republic of South Africa......................... aspericollis (Scheerp.)

– Puncturation of head sparse; second abdominal transverse impression smooth, impunctate; aedeagus and spermatheca different ................................................................................................................... 11

11(10). Pronotum longer than wide; tergites III and IV brownish­red; elytral puncturation sparse; aedeagus as in Figs. 34–35 , spermatheca as in Fig. 36 . Distribution: Ethiopia, Kenya.................. eastopi (Tottenh.)

– Pronotum as long as wide; tergites III and IV red; elytral puncturation dense; aedeagus and spermatheca different......................................................................................................................................... 12

12(11). Eyes moderately protruding from lateral contour of head; tergal puncturation dense; spermatheca as in Fig. 37. Distribution: Namibia........................................................................................ uhligi (Pace)

– Eyes relatively strongly protruding from lateral contour of head; tergal puncturation sparse; aedeagus as in Figs. 38–39 , spermatheca as in Fig. 40 . Distribution: Zimbabwe.......................... lucidula sp. n.

13(1). Pronotal lateral sides weakly sinuate; pronotal pubescence short and sparse .................................... 14

– Pronotal lateral sides strongly sinuate; pronotal pubescence long and dense .................................... 17

14(13). Head and pronotal puncturation coarse; pronotal puncturation subconfluent.................................... 15

– Head and pronotal puncturation fine; pronotal puncturation distinctly separated.............................. 16

15(14). Surface of head without microsculpture; puncturation of head similar to that on pronotum; antennomere 10 paler than preceding antennomeres; pronotum longer than wide; aedeagus as in Figs. 82–83 . Distribution: Rhodesia........................................................................................ brunneipennis (Totth.)

– Surface of head with distinct microsculpture; puncturation of head finer than that on pronotum; antennomere 10 coloured like preceding antennomeres; pronotum as long as wide; aedeagus as in

Figs. 84–85 . Distribution: Zambia......................................................................... densepunctata sp. n. 16(14). Eyes larger, length of each seen from above subequal to that of postocular region; surface of head with distinct microsculpture; antennomere 3 longer than antennomere 2; antennomere 10 longer than wide; aedeagus as in Figs. 77–78 , spermatheca as in Fig. 79 . Distribution: Namibia. miricornis (Pace)

– Eyes smaller, length of each seen from above shorter than postocular region; surface of head without microsculpture; antennomeres 2 and 3 subequal in length; antennomere 10 as long as wide; aedeagus as in Figs. 80–81 . Distribution: Ethiopia....................................................................... hirtipenis sp. n.

17(13). Pronotal pubescence at midline directed anteriorly; eyes small, length of each seen from above shorter than postocular region; aedeagus as in Figs. 48–49 , spermatheca as in Fig. 50 . Distribution: Ethiopia........................................................................................................................... brendelli sp. n.

– Pronotal pubescence at midline directed posteriorly in apical half and anteriorly in basal half; eyes larger, length of each seen from above at least as long as postocular region; aedeagus and spermatheca different ............................................................................................................................................... 18

18(17). Head and pronotal surface with distinct microsculpture; pronotal surface broadly impressed medially; pronotal puncturation very dense; aedeagus as in Figs. 58–59 , spermatheca as in Fig. 60 . Distribution: Democratic Republic of Congo, Gabon......................................................................... reticulata sp. n.

– Head and pronotal surface without microsculpture; pronotal surface not impressed medially; pronotal puncturation sparse to moderately dense; aedeagus and spermatheca different ................................. 19

19(18). Antennomere 11 white to red, distinctly paler than preceding antennomeres.................................... 20

– Antennomere 11 brown to black, coloured like preceding antennomeres.......................................... 25

20(19). Third abdominal transverse impression smooth, impunctate; antennomere 10 as long as wide; aedeagus as in Figs. 61–62 . Distribution: Republic of South Africa.................................... capicola (Cam.)

– Third abdominal transverse impression coarsely punctate; antennomere 10 longer than wide; aedeagus and spermatheca different............................................................................................................. 21

21(20). Pronotal puncturation coarse; elytral puncturation sparse; aedeagus as in Figs. 63–64 , spermatheca as in Fig. 65 . Distribution: Angola, Namibia......................................................................... sinuata sp. n.

– Pronotal puncturation fine, pinprick­like; elytral puncturation dense; aedeagus and spermatheca different ................................................................................................................................................... 22

22(21). Antennomere 3 longer than antennomere 2; tergites III–IV dark brown to black.............................. 23

– Antennomeres 2 and 3 subequal in length; tergites III–IV red to reddish­brown .............................. 24

23(22). On average smaller, length 2.7–2.9 mm; antennomere 11 coloured like preceding antennomeres; aedeagus as in Figs. 45–46 , spermatheca as in Fig. 47 . Distribution: Ethiopia....... longicollis (Bernh.)

– On average larger, length 3.0–3.3; antennomere 11 paler than preceding antennomeres; aedeagus as in Figs. 51–52 , spermatheca as in Fig. 53 . Distribution: Ethiopia. ......................................... similis sp. n.

24(22). Eyes smaller, length of each seen from above subequal to that of postocular region; antennomere 10 paler than preceding antennomeres; second abdominal transverse impression smooth, impunctate; aedeagus as in Figs. 54–55 . Distribution: Madagascar............................................. perinetensis (Pace)

– Eyes larger, length of each seen from above longer than postocular region; antennomere 10 coloured like preceding antennomeres; second abdominal transverse impression punctate; aedeagus as in Figs. 56–57 . Distribution: Zambia............................................................................................... frischi sp. n.

25(19). Eyes small, length of each seen from above subequal to that of postocular region; tergal puncturation dense; aedeagus as in Figs. 66–67 , spermatheca as in Fig. 68 . Distribution: Democratic Republic of the Congo, Namibia, Republic of South Africa, Rwanda........................................... nigerrima (Cam.)

– Eyes large, length of each seen from above longer than postocular region; tergal puncturation sparse;

aedeagus and spermatheca different.................................................................................................... 26 26(25). Puncturation of head similar to that on pronotum; pronotal puncturation fine; antennomere 10 as long as wide; aedeagus as in Figs. 69–70 , spermatheca as in Fig. 71 . Distribution: Madagascar.................. ................................................................................................................................... madecassa (Cam.)

– Puncturation of head finer than that on pronotum; pronotal puncturation coarse; antennomere 10 longer than wide; aedeagus and spermatheca different....................................................................... 27

27(26). On average larger, length 2.7–2.9 mm; antennomeres 2 and 3 subequal in length; tergites III–IV black; aedeagus as in Figs. 72–73 , spermatheca as in Fig. 74 . Distribution: Namibia, Democratic Republic of Congo..................................................................................................... namibensis (Pace)

– On average smaller, length 2.5 mm; antennomere 3 longer than antennomere 2; tergites III–IV brown; aedeagus as in Figs. 75–76 . Distribution: Ethiopia..................................................... intermedia sp. n.

Figures

FIGURE 21. Ischnopoderona albicornis (Tottenham): spermatheca.

FIGURE 41. Ischnopoderona aspericollis (Scheerpeltz): spermatheca.

FIGURES 4 – 11. Ischnopoderona gracilicornis (Scheerp.): 4 — maxilla, 5 — labium, 6 — right mandible, 7 — labrum, 8 — mentum, 9 — shape of elytron, 10 — pronotal pubescence, 11 — tergite VIII.

FIGURES 25 – 27. Ischnopoderona micans sp. n.: 25 — aedeagus in lateral view, 26 — aedeagus in ventral view, 27 — spermatheca.

FIGURES 28 – 29. Ischnopoderona kaszabi (Pace): 28 — aedeagus in lateral view, 29 — aedeagus in ventral view.

FIGURES 22 – 24. Ischnopoderona transvaalica sp. n.: 22 — aedeagus in lateral view, 23 — aedeagus in ventral view, 24 — spermatheca.

FIGURES 18 – 20. Ischnopoderona gracilicornis (Scheerpeltz): 18 — aedeagus in lateral view, 19 — aedeagus in ventral view, 20 — spermatheca.

FIGURES 30 – 32. Ischnopoderona externa (Fauvel): 30 — aedeagus in lateral view, 31 — aedeagus in ventral view, 32 — spermatheca.

FIGURES 42 – 44. Ischnopoderona belingensis sp. n.: 42 — aedeagus in lateral view, 43 — aedeagus in ventral view, 44 — spermatheca.

FIGURES 34 – 36. Ischnopoderona eastopi (Tottenham): 34 — aedeagus in lateral view, 35 — aedeagus in ventral view, 36 — spermatheca

FIGURES 38 – 40. Ischnopoderona lucidula sp. n.: 38 — aedeagus in lateral view, 39 — aedeagus in ventral view, 40 — spermatheca.

FIGURES 82 – 83. Ischnopoderona brunneipennis (Tottenham): 82 — aedeagus in lateral view, 83 — aedeagus in ventral view.

FIGURES 84 – 85. Ischnopoderona densepunctata sp. n.: 84 — aedeagus in lateral view, 85 — aedeagus in ventral view.

FIGURES 77 – 79. Ischnopoderona miricornis (Pace): 77 — aedeagus in lateral view, 78 — aedeagus in ventral view, 79 — spermatheca.

FIGURES 80 – 81. Ischnopoderona hirtipenis sp. n.: 80 — aedeagus in lateral view, 81 — aedeagus in ventral view.

FIGURES 48 – 50. Ischnopoderona brendelli sp. n.: 48 — aedeagus in lateral view, 49 — aedeagus in ventral view, 50 — spermatheca.

FIGURES 58 – 60. Ischnopoderona reticulata sp. n.: 58 — aedeagus in lateral view, 59 — aedeagus in ventral view, 60 — spermatheca.

FIGURES 61 – 62. Ischnopoderona capicola (Cameron): 61 — aedeagus in lateral view, 62 — aedeagus in ventral view.

FIGURES 63 – 65. Ischnopoderona sinuata sp. n.: 63 — aedeagus in lateral view, 64 — aedeagus in ventral view, 65 — spermatheca.

FIGURES 45 – 47. Ischnopoderona longicollis (Bernhauer): 45 — aedeagus in lateral view, 46 — aedeagus in ventral view, 47 — spermatheca.

FIGURES 51 – 53. Ischnopoderona similis sp. n.: 51 — aedeagus in lateral view, 52 — aedeagus in ventral view, 53 — spermatheca.

FIGURES 54 – 55. Ischnopoderona perinetensis (Pace): 54 — aedeagus in lateral view, 55 — aedeagus in ventral view.

FIGURES 56 – 57. Ischnopoderona frischi sp. n.: 56 — aedeagus in lateral view, 57 — aedeagus in ventral view.

FIGURES 66 – 68. Ischnopoderona nigerrima (Cameron): 66 — aedeagus in lateral view, 67 — aedeagus in ventral view, 68 — spermatheca.

FIGURES 69 – 71. Ischnopoderona madecassa (Cameron): 69 — aedeagus in lateral view, 70 — aedeagus in ventral view, 71 — spermatheca.

FIGURES 72 – 74. Ischnopoderona namibensis (Pace): 72 — aedeagus in lateral view, 73 — aedeagus in ventral view, 74 — spermatheca.

FIGURES 75 – 76. Ischnopoderona intermedia sp. n.: 75 — aedeagus in lateral view, 76 — aedeagus in ventral view.