Ischnopoderona
Creators: name: Paśnik, Grzegorz
Publisher: name: Zenodo
Year: 2007
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Ischnopoderona

description: 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.
description: Published as part of Paśnik, Grzegorz, 2007, Revision and phylogenetic analysis of the African genus Ischnopoderona (Scheerpeltz, 1974) new status (Coleoptera, Staphylinidae: Aleocharinae), pp. 1-54 in Zootaxa 1412 on pages 12-15, DOI: 10.5281/zenodo.175634