Hesperus

Hromádka, L., 2012, Revision of the Afrotropical species of the genus Hesperus FAUVEL (Coleoptera: Staphylinidae: Philonthina), Linzer biologische Beiträge 44 (1), pp. 551-589 : 579-581

Key to Afrotropical species of the genus Hesperus

1 Elytra red, red-yellow, red-brown, red-violet and yellow-brown........................................2

- Elytra otherwise coloured.................................................................................................14

2 Elytra red.............................................................................................................................3

- Elytra otherwise coloured.................................................................................................11

3 Smaller species, body length 7.8-7.9 mm ............................................................................4

- Larger species, body length 9.1-12.5 mm ...........................................................................5

4 Eyes longer than temples (ratio 10: 8), each dorsal row of pronotum with 6 punctures, abdomen unicoloured brown-red............................................ H. uelensis BERNHAUER 1928

- Eyes shorter than temples (ratio 10: 15), each dorsal row of pronotum with 10 punctures, abdomen black, posterior half of visible tergite 5 and whole tergites 6-7 dirty yellow ............................................................... H. belonuchiformis BERNHAUER 1915

5 Each dorsal row of pronotum with 10 punctures.................................................................6

- Each dorsal row of pronotum with more than 10 punctures..............................................10

6 Abdomen with visible tergites 1-4 black, remaining tergites 5-7 yellow-brown................... ............................................................................... H. addisadebaensis SCHEERPELTZ,1971

- Entire tergites from black to brown-black...........................................................................7

7 Eyes slightly shorter than temples.......................................................................................8

- Eyes distinctly (about twice) shorter than temples..............................................................9

8 Eyes slightly shorter than temples (ratio 11: 13), antennae reaching posterior third of pronotum when reclined, eyes slightly shorter than temples (ratio 11:13), pronotum black golden iridescent......................................................... H. fraternus BERNHAUER 1928

- Eyes shorter than temples (ratio 13: 18), antennae reaching midlength of pronotum when reclined, pronotum black not golden iridescent ........... H. sparsior BERNHAUER 1928

9 Eyes less than half as long as temples (ratio 13: 28), legs brown-yellow ............................ ............................................................................................ H. obscurior BERNHAUER 1915

- Eyes about half as long as temples (ratio 11: 21, legs black-brown..................................... ........................................................................................... H. puncticeps BERNHAUER 1928

10 Eyes slightly shorter than temples (ratio 13: 15), entire antennae black, each dorsal row of pronotum with 12 or 14 punctures ............................ H. africanus BERNHAUER 1915

- Eyes distinctly shorter than temples (ratio 9: 28), antennae red-brown, each dorsal row of pronotum with numerous variably large punctures........ H. spectabilis BERNHAUER 1928

11 Elytra red-yellow..............................................................................................................12

- Elytra otherwise coloured.................................................................................................16

12 Smaller species, body length 10.8 mm, Antennomeres 1-2 yellow-brown, remaining antennomeres black, reaching posterior margin of pronotum when reclined. Eyes longer than temples (ratio 15: 13) ........................................... H. meyeri BERNHAUER 1928

- Larger species, body length 12.3-13.8 mm .......................................................................13

13 Eyes longer than temples or as long as temples................................................................14

- Eyes shorter than temples..................................................................................................15

14 Eyes as long as temples, each dorsal row of pronotum with 8 or 10 punctures .................... ......................................................................................... H. strigiventris EPPELSHEIM 1895

- Eyes longer than temples (ratio 19: 13), each dorsal row of pronotum with 8 punctures..... ............................................................................................. H. overlaeti BERNHAUER 1939

15 Eyes half as long as temples (ratio 6: 12), each dorsal row of pronotum with 16 or 18 punctures, abdomen black, posterior third of visible tergite 5 and remaining tergites yellow-red ............................................................................ H. burgeoni BERNHAUER 1928

- Eyes more than half as long as temples (ratio 14: 19), each dorsal row of pronotum with 10 punctures. Visible abdominal tergites 1-4 black, remaining tergites yellow............ ................................................................................................................. H. oriolus nov.sp.

16 Elytra red-brown...............................................................................................................17

- Elytra otherwise coloured.................................................................................................18

17 Antennae long, reaching posterior margin of pronotum when reclined, each dorsal row of pronotum with 10-12 punctures, visible abdominal tergites 1-5 brown, remaining tergites yellow .......................................................................... H. nobilis BERNHAUER 1928

- Antennae shorter, reaching posterior third of pronotum when reclined, each dorsal row of pronotum with 12-14 punctures, visible abdominal tergites 1-6 and anterior half of tergite 7 black, posterior half and remaining tergites dirty yellow........................... ..................................................................................................... H. anas HROMÁDKA 2009

18 Elytra red-violet................................................................................................................19

- Elytra otherwise coloured.................................................................................................20

19 Eyes much shorter than temples (ratio 9: 19), antennae short reaching midlength of pronotum when reclined, antennomeres 9-11 brown-yellow, remaining antennomeres brown-black .......................................................................... H. mylomys HROMÁDKA 2009

- Eyes as long temples, antennae long, reaching posterior margin of pronotum when reclined, black-brown............................................................... H. gestroi BERNHAUER 1915

20 Elytra yellow-brown, antennomere 1 brown-yellow, remaining antennomeres redbrown, eyes much shorter than temples (ratio 14: 23), first four visible tergites brown, remaining tergites yellow-brown......................................... H. depressus BERNHAUER 1908

- Elytra otherwise coloured.................................................................................................21

21 Elytra and abdomen black-violet, antennae short, reaching anterior third of pronotum when reclined, eyes shorter than temples (ratio 5: 10) ............... H. cafioides FAUVEL 1889

- Elytra black.......................................................................................................................22

22 Each dorsal row of pronotum with 10 punctures...............................................................23

- Each dorsal row of pronotum with more than 10 punctures..............................................25

23 Smaller species, body length 8.8-9.3 mm ..........................................................................24

- Larger species, body length 10.1 - 11.0 mm.....................................................................26

24 Eyes slightly shorter than temples (ratio 11: 13), pronotum black, golden iridescent.......... ................................................................................................. H. kraatzi EPPELSHEIM 1895

- Eyes as long as temples, pronotum black, not iridescent ...................................................... ........................................................................................... H. sparsiceps BERNHAUER 1928

25 Antennae long, reaching posterior margin of pronotum when reclined, eyes as long as temples, visible abdominal tergites 1-4 black, remaining tergites yellow............................. .................................................................................................... H.mirus BERNHAUER 1915

- Antennae short, reaching anterior third of pronotum when reclined, eyes shorter than temples (ratio 10: 15) ......................................................... H. sericeicollis CAMERON 1950

26 Antennae short, reaching anterior third of pronotum when reclined. Eyes shorter than temples (ratio 12.5: 17.5), abdomen black, bluish iridescent ............................................... ........................................................................................ H. gridellianus BERNHAUER 1918

- Antennae long, reaching posterior margin of pronotum when reclined, eyes as long as temples, abdomen black, not iridescent................................. H. schedli SCHEERPELTZ 1956