Ischnopoda : Lucht & Klausnitzer 1998
Creators: name: PA – NIK, GRZEGORZ
Publisher: name: Zenodo
Year: 2006
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Staphylinidae
Ischnopoda

description: KeytoWorldspeciesofthegenus Ischnopoda
1. Pronotal lateral sides straight; pronotal pubescence moderately long and well visible ........................................................................................................................... 2
­ Pronotal lateral sides concave; pronotal pubescence very short and very scarcely visible ...................................................................................................................21
2(1). Pronotal puncturation fine to moderately fine and well visible; tergal puncturation fine and dense; Holarctic species............................................................................ 3
­ Pronotal puncturation minute, pinprick–like and very scarcely visible; tergal puncturation moderately fine, superficial and moderately dense; Neotropical species ... .............................................................................................................................. 13
3(2). Antennomere 3 shorter than 2; tergite 7 without microsculpture ........................... 4
­ Antennomere 3 at least as long as 2; tergite 7 with distinct microsculpture .......... 6
4(3). Pronotum strongly convex; pronotal pubescence at midline directed entirely posteriorly; elytral length at suture shorter than pronotal length at midline; aedeagus as in Figs. 39–40, spermatheca as in Fig. 41. Distribution: Europe ........... scitula (Er.)
­ Pronotum moderately convex; pronotal pubescence at midline directed entirely anteriorly; elytral length at suture as long as pronotal length at midline; genitalia different...................................................................................................................5
5(4). Eyes large, length of each seen from above subequal to that of postocular region; pronotum and elytra red; aedeagus as in Figs. 42–43. Distribution: Tajikistan ........ ............................................................................................................ assingi, sp. n.
­ Eyes small, length of each seen from above shorter than postocular region; pronotum and elytra black; aedeagus as in Figs. 44–45. Distribution: China ................... ........................................................................................................ lingshani, sp. n.
6(3). Pronotal surface without micosculpture; elytra yellow to reddish brown .............. 7
­ Pronotal surface with microsculpture; elytra dark brown to black......................... 8
7(6). On average larger, length 3.2–3.5 mm; elytra reddish brown with yellow posterior margin; aedeagus as in Figs. 25–26, spermatheca as in Fig. 27. Distribution: Caucasus ................................................................................................... subaenea Epp.
­ On average smaller, length 2.6–2.9 mm; elytra yellow with blackened lateral margins; aedeagus as in Figs. 28–29, spermatheca as in Fig. 30. Distribution: Tajikistan .................................................................................................. schuelkei, sp. n.
8(6). Head convex; surface of head and pronotum not impressed medially; antennomeres 2 and 3 subequal in length............................................................................ 9
­ Head flattened dorsally; surface of head and pronotum distinctly impressed medially; antenommere 3 longer than antennomere 2.................................................. 10
9(8). On average larger, length 3.2–3.5 mm; head without microsculpture; head puncturation fine and well visible; pronotal lateral sides moderately narrowed to hind angles; aedeagus as in Figs. 19–20, spermatheca as in Fig. 21. Distribution: Palaearctic Region................................................................................... umbratica (Er.)
­ On average smaller, length 2.7–3.3 mm; head with fine isodiametric mesh microsculpture; head puncturation fine and inconspicuous in microsculpture; pronotal lateral sides strongly narrowed to hind angles; aedeagus as in Figs. 22–23, spermatheca as in Fig. 24. Distribution: Europe ...................................... ulbrichi Lohse
10(8). Pronotal pubescence at midline directed entirely posteriorly; pronotum and elytra yellow to yellowish red; elytral length at suture shorter than pronotal length at midline; aedeagus as in Figs. 31–32, spermatheca as in Fig. 33. Distribution: Europe ........................................................................................... colorata (Fairm.)
­ Pronotal pubescence at midline directed entirely anteriorly; pronotum and elytra brown to black; elytral length at surure as long as pronotal length at midline; genitalia different ........................................................................................................ 11
11(10). On average larger, length 3.3–4.3 mm; head and pronotum with fine isodiametric mesh microsculpture, not giving granulate appearance; legs brown; aedeagus as in Figs. 16–17, spermatheca as in Fig. 18. Distribution: Palaearctic Region ............... ..................................................................................................... leucopus (Marsh.)
­ On average smaller, length 3.0–3.5 mm; head and pronotum with strong isodiametric mesh microsculpture, giving granulate appearance; legs yellow to red; genitalia different........................................................................................................ 12 12(11). Head and pronotum with distinct blue reflection; legs red; aedeagus as in Figs. 34– 35, spermatheca as in Fig. 36. Distribution: East Palaearctic .. manchurica (Bernh.)
­ Head and pronotum with distinct brown reflection; legs yellow; aedeagus as in Figs. 37–38. Distribution: East Palaearctic ................................ semiopaca (Bernh.)
13(2). Eyes small, length of each seen from above shorter than postocular region; pronotum as long as wide; pronotal surface with fine isodiametric mesh microsculpture .............................................................................................................................. 14
­ Eyes large, length of each seen from above at least subequal to that of postocular region; pronotum slightly wider than long; pronotal surface without microsculpture ........................................................................................................................ 15
14(13). Head flattened dorsally; head and pronotum broadly and deeply impressed medially; antennomeres 7–10 as long as wide; elytral length at suture shorter than pronotal length at midline; aedeagus as in Figs. 46–47. Distribution: Mexico ........ ...................................................................................................... seticornis (Sharp)
­ Head convex dorsally; head and pronotum not impressed medially; antennomeres 7–10 wider than long; elytral length at suture as long as pronotal length at midline; spermatheca as in Fig. 48. Distribution: Mexico .............................. sparsa (Sharp)
15(13). Pronotum yellowish–red to red............................................................................. 16
­ Pronotum brown to black...................................................................................... 18
16(15). Eyes large, length of each seen from above longer than postocular region; abdomen brown to black; aedeagus as in Figs. 51–52. Distribution: Chile ..................... ......................................................................................................... chilensis, sp. n.
­ Eyes small, length of each seen from above subequal to that of postocular region; abdomen black with tergites 3–4 red; aedeagus different..................................... 17
17(16). Head and pronotum not impressed medially; pronotum weakly convex; elytra wider than long; aedeagus as in Figs. 49–50. Distribution: Argentina, Chile .......... ..................................................................................................... fissicollis (Fairm.)
­ Head and pronotum impressed medially; pronotum distinctly convex; elytra as wide as long; aedeagus as in Figs. 53–54, spermatheca as in Fig. 55. Distribution: Brazil .............................................................................................. brasiliana, sp. n.
18(15). Pronotal surface not impressed medially; antennomere 10 longer than wide; aedeagus as in Figs. 58–59, spermatheca as in Fig. 60. Distribution: Bolivia ................. ...................................................................................................... drugmandi, sp. n.
­ Pronotal surface distinctly impressed medially, antennomere 10 as long as wide; genitalia different.................................................................................................. 19
19(18). On average larger, length 2.9–3.2 mm; pronotal surface narrowly impressed medially; head circular in outline; aedeagus as in Figs. 61–62, spermatheca as in Fig. 63. Distribution: Bolivia ................................................................. boliviana, sp. n.
­ On average smaller, length 2.4–2.7 mm; pronotal surface broadly impressed medially; head quadrate in outline; genitalia different ................................................. 20 20(19). Antennomeres 2 and 3 subequal in length; head weakly impressed medially; legs yellow; aedeagus as in Figs. 56–57. Distribution: Argentina meridionalis (Bernh.)
­ Antennomere 3 shorter than 2; head moderately deeply impressed medially; legs red; aedeagus as in Figs. 64–65, spermatheca as in Fig. 66. Distribution: Guatemala and Costa Rica ..................................................................... impressa (Sharp)
21(1). Pronotal pubescence in latero­median areas directed towards lateral sides; elytra elongate, their length at suture longer than pronotal length at midline ................ 22
­ Pronotal pubescence in latero­median areas directed towards central part of disc; elytra quadrate or transverse, their length at suture not longer than pronotal length at midline .............................................................................................................. 23
22(21). Head broadly impressed medially; surface of head with relatively strong isodiametric mesh microsculpture; antennomeres 2 and 3 subequal in length; aedeagus as in Figs. 67–68. Distribution: Tanzania .................................... pratensis (Fauvel)
­ Head narrowly impressed medially; surface of head with fine isodiametric mesh microsculpture; antennomere 3 longer than 2; aedeagus as in Figs. 69–70. Distribution: Ethiopia ............................................................................... pretiosa, sp. n.
23(21). Pronotal puncturation fine .................................................................................... 24
­ Pronotal puncturation coarse ................................................................................ 28
24(23). Pronotal pubescence at midline directed entirely anteriorly................................. 25
­ Pronotal pubescence at midline directed posteriorly in apical half and anteriorly in basal half............................................................................................................... 26
25(24). Pronotum without microsculpture; antennomere 3 longer than 2; head puncturation fine, similar to that on pronotum; aedeagus as in Figs. 71–72, spermatheca as in Fig. 73. Distribution: Kenya .................................................... burgeoni (Bernh.)
­ Pronotum with distinct microsculpture; antennomere 3 shorter than 2; head puncturation relatively coarse, much coarser than that on pronotum; aedeagus as in Figs. 74–75. Distribution: Cameroon .............................................. depressa, sp. n.
26(24). Pronotum wider than long; head puncturation fine, similar to that on pronotum; tergites 3–4 brown, coloured as remaining tergites; aedeagus as in Figs. 76–77, spermatheca as in Fig. 78. Distribution: South Africa .................... cameroni, sp. n.
­ Pronotum as long as wide; head puncturation relatively coarse, much coarser than that on pronotum; tergites 3–4 red to yellowish brown, distinctly paler than remaining tergites; genitalia different................................................................... 27
27(26). Head not impressed medially; eyes large, length of each seen from above longer than postocular region; elytra with distinct granulose microsculpture; antennomere 10 as long as wide; aedeagus as in Figs. 79–80. Distribution: South Africa ............ ......................................................................................................... nebulosa, sp. n.
­ Head distinctly impressed medially; eyes small, length of each seen from above subequal to that of postocular region; elytra without microsculpture; antennomere 10 longer than wide; aedeagus as in Figs. 81–82, spermatheca as in Fig. 83. Distri­ bution: Ethiopia .................................................................................. rugosa, sp. n.
28(23). Pronotal pubescence at midline directed entirely anteriorly................................. 29
­ Pronotal pubescence at midline directed posteriorly in apical half and anteriorly in basal half............................................................................................................... 33
29(28). Eyes small, length of each seen from above subequal to that of postocular region; antennomere 11 coloured as preceding antennomeres, brown to black................ 30
­ Eyes large, length of each seen from above longer than postocular region; antennomere 11 distinctly paler than preceding antennomeres, yellow to red.............. 31
30(29). On average smaller, length 2.2–2.7 mm; pronotum and elytra dark brown to pitchy brown; elytral puncturation dense; aedeagus as in Figs. 99–100, spermatheca as in Fig. 101. Distribution: Ethiopia ................................................... abyssina (Bernh.)
­ On average larger, length 3.5–3.6 mm; pronotum and elytra testaceous; elytral puncturation moderately dense; aedeagus as in Figs. 102–103, spermatheca as in Fig. 104. Distribution: Burundi, Rwanda, Tanzania and Democratic Republic of the Congo .................................................................................... rudicollis (Bernh.)
31(29). Elytral puncturation very fine, pinprick–like, much finer than that on pronotum; antennomere 3 shorter than 2; aedeagus as in Figs. 105–106, spermatheca as in Fig. 107. Distribution: Rwanda and Democratic Republic of the Congo ................. ....................................................................................................... metallica (Cam.)
­ Elytral puncturation relatively coarse, similar to that on pronotum; antennomeres 2 and 3 subequal in length; genitalia different...................................................... 32
32(31). On average smaller, length 2.1–2.3 mm; pronotum wider than long; pronotal puncturation very dense and subconfluent; aedeagus as in Figs. 111–112, spermatheca as in Fig. 113. Distribution: Angola and Democratic Republic of the Congo .......... ................................................................................................. submetallica (Cam.)
­ On average larger, length 2.5–2.7 mm; pronotum as long as wide; pronotal puncturation dense but not subconfluent; aedeagus as in Figs. 108–109, spermatheca as in Fig. 110. Distribution: Kenya ..................................................... proxima (Totth.)
33(28). Elytra transverse, their length at suture shorter than pronotal length at midline; basal transverse impression on tergite 5 smooth, impunctuate............................. 34
­ Elytra as long as wide, their length at suture as long as pronotal length at midline; basal transverse impression on tergite 5 punctuate as those on preceding tergite..36
34(33). Head convex dorsally; eyes small, length of each seen from above subequal to that of postocular region; antennomere 10 as long as wide; aedeagus as in Figs. 84–85. Distribution: Democratic Republic of the Congo ...................... congoensis (Cam.)
­ Head flattened dorsally; eyes large, length of each seen from above longer than postocular region; antennomere 10 longer than wide; aedeagus different ........... 35
35(34). Elytral puncturation coarse, similar to that on pronotum; antennae black with antennomeres 1–2 and 9–11 yellowish red; antennomere 3 longer than 2; aedeagus as in Figs. 86–87, spermatheca as in Fig. 88. Distribution: Burundi, Ethiopia, Kenya and Democratic Republic of the Congo ................................. basalis (Cam.)
­ Elytral puncturation fine, much finer than that on pronotum; antennae uniformly red; antennomeres 2 and 3 subequal in length; aedeagus as in Figs. 89–90. Distribution: Uganda ........................................................................ pseudobasalis, sp. n.
36(33). On average smaller, length 2.3 mm; abdomen uniformly brown; antennomere 10 as long as wide; aedeagus as in Figs. 97–98. Distribution: Ethiopia .. spissata, sp. n.
­ On average larger, length 2.8–3.3 mm; abdomen brown to pitchy brown with tergites 3–4 red to reddish brown; antennomere 10 longer than wide; aedeagus different ......................................................................................................................... 37
37(36). Head with fine isodiametric mesh microsculpture; antennae uniformly reddish– brown; aedeagus as in Figs. 91–92, spermatheca as in Fig. 93. Distribution: South and Central Africa .......................................................................... capensis (Casey)
­ Head without microsculpture; antennae brown with antennomeres 1–2 and 10–11 reddish yellow; aedeagus as in Figs. 94–95, spermatheca as in Fig. 96. Distribution: Burundi .............................................................................. basilewsky (Totth.)
description: Published as part of PA – NIK, GRZEGORZ, 2006, Taxonomy and phylogeny of the World species of the genus Ischnopoda Stephens, 1837 (Coleoptera, Staphylinidae: Aleocharinae), pp. 1-96 in Zootaxa 1179 (1) on pages 17-22, DOI: 10.11646/zootaxa.1179.1.1, http://zenodo.org/record/10087166