Ischnopoda, : Lucht & Klausnitzer, 1998

PA – NIK, GRZEGORZ, 2006, Taxonomy and phylogeny of the World species of the genus Ischnopoda Stephens, 1837 (Coleoptera, Staphylinidae: Aleocharinae), Zootaxa 1179 (1), pp. 1-96 : 17-22

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.)

Figures

FIGURES 39–41. Ischnopoda scitula (Erichson): 39—aedeagus in lateral view, 40—aedeagus in ventral view, 41—spermatheca.

FIGURES 42–43. Ischnopoda assingi Paśnik, sp. n.: 42—aedeagus in lateral view, 43—aedeagus in ventral view.

FIGURES 44–45. Ischnopoda lingshani Paśnik, sp. n.: 44—aedeagus in lateral view, 45— aedeagus in ventral view.

FIGURES 25–27. Ischnopoda subaenea Eppelsheim: 25—aedeagus in lateral view, 26—aedeagus in ventral view, 27—spermatheca.

FIGURES 28–30. Ischnopoda schuelkei Paśnik, sp. n.: 28—aedeagus in lateral view, 29— aedeagus in ventral view, 30—spermatheca.

FIGURES 19–21. Ischnopoda umbratica (Erichson): 19—aedeagus in lateral view, 20—aedeagus in ventral view, 21—spermatheca.

FIGURES 22–24. Ischnopoda ulbrichi Lohse: 22—aedeagus in lateral view, 23—aedeagus in ventral view, 24—spermatheca.

FIGURES 31–33. Ischnopoda colorata (Fairmaire): 31—aedeagus in lateral view, 32—aedeagus in ventral view, 33—spermatheca.

FIGURES 16–18. Ischnopoda leucopus (Marsham): 16—aedeagus in lateral view, 17—aedeagus in ventral view, 18—spermatheca.

FIGURES 34–36. Ischnopoda manchurica (Bernhauer): 34—aedeagus in lateral view, 35— aedeagus in ventral view, 36—spermatheca.

FIGURES 37–38. Ischnopoda semiopaca (Bernhauer): 37—aedeagus in lateral view, 38— aedeagus in ventral view.

FIGURES 46–47. Ischnopoda seticornis (Sharp): 46—aedeagus in lateral view, 47—aedeagus in ventral view.

FIGURES 51–52. Ischnopoda chilensis Paśnik, sp. n.: 51—aedeagus in lateral view, 52—aedeagus in ventral view.

FIGURES 49–50. Ischnopoda fissicollis (Fairmaire & Germain): 49—aedeagus in lateral view, 50—aedeagus in ventral view.

FIGURES 53–55. Ischnopoda brasiliana Paśnik, sp. n.: 53—aedeagus in lateral view, 54— aedeagus in ventral view, 55—spermatheca.

FIGURES 58–60. Ischnopoda drugmandi Paśnik, sp. n.: 58—aedeagus in lateral view, 59— aedeagus in ventral view, 60—spermatheca.

FIGURES 61–63. Ischnopoda boliviana Paśnik, sp. n.: 61—aedeagus in lateral view, 62— aedeagus in ventral view, 63—spermatheca.

FIGURES 56–57. Ischnopoda meridionalis (Bernhauer): 56—aedeagus in lateral view, 57— aedeagus in ventral view.

FIGURES 64–66. Ischnopoda impressa (Sharp): 64– aedeagus in lateral view, 65—aedeagus in ventral view, 66—spermatheca.

FIGURES 67–68. Ischnopoda pratensis (Fauvel): 67—aedeagus in lateral view, 68—aedeagus in ventral view.

FIGURES 69–70. Ischnopoda pretiosa Paśnik, sp. n.: 69—aedeagus in lateral view, 70—aedeagus in ventral view.

FIGURES 71–73. Ischnopoda burgeoni (Bernhauer): 71– aedeagus in lateral view, 72—aedeagus in ventral view, 73—spermatheca.

FIGURES 74–75. Ischnopoda depressa Paśnik, sp. n.: 74– aedeagus in lateral view, 75—aedeagus in ventral view.

FIGURES 76–78. Ischnopoda cameroni Paśnik, sp. n.: 76—aedeagus in lateral view, 77— aedeagus in ventral view, 78—spermatheca.

FIGURES 79–80. Ischnopoda nebulosa Paśnik, sp. n.: 79—aedeagus in lateral view, 80— aedeagus in ventral view.

FIGURES 81–83. Ischnopoda rugosa Paśnik, sp. n.: 81—aedeagus in lateral view, 82—aedeagus in ventral view, 83—spermatheca.

FIGURES 99–101. Ischnopoda abyssina (Bernhauer): 99—aedeagus in lateral view, 100— aedeagus in ventral view, 101—spermatheca.

FIGURES 102–104. Ischnopoda rudicollis (Bernhauer): 102—aedeagus in lateral view, 103— aedeagus in ventral view, 104—spermatheca.

FIGURES 105–107. Ischnopoda metallica (Cameron): 105—aedeagus in lateral view, 106— aedeagus in ventral view, 107—spermatheca.

FIGURES 111–113. Ischnopoda submetallica (Cameron): 111—aedeagus in lateral view, 112— aedeagus in ventral view, 113—spermatheca.

FIGURES 108–110. Ischnopoda proxima (Tottenham): 108—aedeagus in lateral view, 109— aedeagus in ventral view, 110—spermatheca.

FIGURES 84–85. Ischnopoda congoensis (Cameron): 84—aedeagus in lateral view, 85—aedeagus in ventral view.

FIGURES 86–88. Ischnopoda basalis (Cameron): 86—aedeagus in lateral view, 87—aedeagus in ventral view, 88—spermatheca.

FIGURES 89–90. Ischnopoda pseudobasalis Paśnik, sp. n.: 89—aedeagus in lateral view, 90— aedeagus in ventral view.

FIGURES 97–98. Ischnopoda spissata Paśnik, sp. n.: 97—aedeagus in lateral view, 98—aedeagus in ventral view.

FIGURES 91–93. Ischnopoda capensis (Casey): 92—aedeagus in lateral view, 92—aedeagus in ventral view, 93—spermatheca.

FIGURES 94–96. Ischnopoda basilewskyi (Tottenham): 94—aedeagus in lateral view, 95— aedeagus in ventral view, 96—spermatheca.