Centistes

Aguirre, Helmuth, Almeida, Luis Felipe Ventura De & Shaw, Scott Richard, 2017, Revision of the genus Centistes (Hymenoptera: Braconidae: Euphorinae: Centistini) of Costa Rica, Zootaxa 4216 (1), pp. 1-46 : 5-6

Key to females of the Neotropical species of Centistes

1. Pit on mesoscutum present ( Figs 30 , 40 , 47 , 61 , 68 , 75 , 117 , 138 , 145 , 166 , 173 and 180 ).............................2

- Pit on mesosctum absent...............................................................................13

2(1). Vertex, temple, and median mesonotal lobe extensively pubescent ( Figs 47 , 117 and 166 )............................3

- Vertex, temple, and median mesonotal lobe almost glabrous, only a few scattered setae. If a dense pubescence is present it is restricted to the anterior half of the median mesonotal lobe ( Figs 124 and 145 ).....................................5

3(2). Vein Rs+M absent ( Figs 21–23 ).............................................................. C. pilosus n. sp.

- Vein Rs+M present as a short stub ( Fig. 24 ).................................................................4

4(3). Head completely yellow; ovipositor sheath ± 2.5 × as long as basal width............................ C. hirsutus n. sp.

- Head dorsally dark brown-black, and genae, face and clypeus yellow; ovipositor sheath Ż 3.0 × as long as basal width.......................................................................................... C. auricephalus n. sp.

5(2). Vein Rs+M complete ( Fig. 25 )........................................................................... 6

- Vein Rs+M either present as a short stub or absent ( Figs 21–24 ).................................................8

6(5). Ovipositor short and broad, ovipositor sheath ± 2.0 × longer than basal width; pterostigma Ż 3.0 × longer than maximum width

........................................................................................ C. sergeyi n. sp. - Ovipositor long and narrow, ovipositor sheath Ż 3.0 × longer than basal width; pterostigma ± 4.0 × longer than maximum width............................................................................................... 7

7(6). Ovipositor sheaths apically pointed; lateral ocellus separated from compound eye by a distance 2.0 × ocellar width........................................................................................... .. C. cartagoensis n. sp.

- Ovipositor sheaths apically truncated; lateral ocellus separated from compound eye by a distance equal to ocellar width....................................................................................... C. puntarenensis n. sp.

8(5). Hypopygium with clasper-like structures.................................................... C. bicaudatus n. sp.

- Hypopygium without clasper-like structures................................................................9

9(8). Ovipositor sheaths long, narrow, and parallel-sided ( Figs 32 , 140 , and 147).......................................10

- Ovipositor short, broad, basally widened and apically pointed ( Figs 42 and 70 )....................................12

10(9). Face yellow........................................................................ C. longicaudatus n. sp.

- Face black or dark brown..............................................................................11

11(10). Fore wing with stigma brown; head in dorsal view with eyes prominently bulging...................... C. marshi n. sp.

- Fore wing with stigma yellow; head in dorsal view with eyes not prominently bulging as before....... C. achterbergi n. sp.

12(9). Vein Rs+M absent....................................................................... C. cabecares n. sp.

- Vein Rs+M present as a short stub...................................................... C. acuticaudatus n. sp.

13(1). Vein Rs+M either complete or present as a short stub ( Figs 24 and 25 )...........................................14

- Vein Rs+M absent ( Figs 21–23 ).........................................................................19

14(13). Vein Rs+M complete ( Fig. 25 )..........................................................................15

- Vein Rs+M present as a short stub ( Fig. 24 )................................................................18

15(14). Notauli deeply impressed throughout its longitude ( Figs 5 and 159 )............................................. 16

- Notauli either absent or impressed only anteriorly ( Figs 12 and 103 )............................................17

16(15). Body color mostly black-dark brown; front and middle femora normal, not particularly thickened; ovipositor sheath 1.7 × as long as basal width.................................................................. C. epicaeri Muesebeck

- Head, propodeum and terga black; mesoscutum, mesopleuron, mesosternum and sterna orange; front and middle femora stout; ovipositor sheath ± 1.0 × as long as basal width............................................. C. ornamentum n. sp.

17(15). Body mostly orange-yellow; ovipositor sheaths relatively long, length> 3.0 × basal width................ C. gasseni Shaw

- Body mostly black-dark brown; ovipositor sheaths relatively short, length <2.0 × basal width............ .. C. gauldi n. sp.

18(14). Ovipositor sheaths cup-shaped; ovipositor sheath <1.5 × as long as basal width; hind femora thick, hind femora length 4.1 × maximum width; fore wing with pterostigma brown.......................................... C. laticaudatus n. sp.

- Ovipositor sheaths finger-like; ovipositor sheath> 2.0 × as long as basal width; hind femora thin, hind femora length 5.0‾6.0 × maximum width; fore wing with pterostigma yellow........................................... C. auristigma n. sp.

19(13). Hypopygium with clasper-like structures.................................................. .. C. chorotegus n. sp.

- Hypopygium without clasper-like structures...............................................................20

20(19). Precoxal sulcus absent; posterior border of hypopygium sinuate.............................. .. C. curvicaudatus n. sp.

- Precoxal sulcus present; posterior border of hypopygium otherwise but never sinuate...............................21

21(20). Body stout; femora particularly thick; ovipositor sheath length 1.0‾1.2 × basal width................. C. compactus n. sp.

- Neither body nor legs particularly stout as above; ovipositor sheath length Ż 2.0 × basal width........................22

22(21). Ovipositor sheaths short and broad; ovipositor sheath 2.0 × as long as basal width.................... .. C. hansoni n. sp.

- Ovipositor sheaths longer and narrow; ovipositor sheath 3.0 × as long as basal width...............................23

23(22). Notauli deeply impressed only anteriorly.................................................... C. muertensis n. sp.

- Notauli absent.......................................................................................24

24(23). Face black-dark brown; median mesonotal lobe anteriorly densely pubescent, posteriorly glabrous......... C. janzeni n. sp.

- Face yellow; median mesonotal lobe thoroughly glabrous, occasionally with a few scattered setae..... .. C. zurquiensis n. sp.

Figures

FIGURES 26 – 32. Centistes achterbergi sp. n. 26) Lateral habitus, 27) anterior head, 28) dorsal head, 29) propodeum, 30) mesoscutum, 31) dorsal metasoma, 32) ovipositor sheaths with protruding ovipositor.

FIGURES 36 – 42. Centistes acuticaudatus sp. n. 36) Lateral habitus, 37) anterior head, 38) dorsal head, 39) propodeum, 40) mesoscutum, 41) dorsal metasoma, 42) lateral metasoma showing part of ovipositor enclosed by ovipositor sheaths.

FIGURES 43 – 49. Centistes auricephalus sp. n. 43) Lateral habitus, 44) anterior head, 45) dorsal head, 46) propodeum, 47) mesoscutum, 48) dorsal metasoma, 49) lateral metasoma showing ovipositor sheaths.

FIGURES 57 – 63. Centistes bicaudatus sp. n. 57) Lateral habitus, 58) anterior head, 59) dorsal head, 60) propodeum, 61) mesoscutum, 62) dorsal metasoma, 63) lateral metasoma showing apically ovipositor sheaths and ventrally clasper-like structures (arrow).

FIGURES 64 – 70. Centistes cabecares sp. n. 64) Lateral habitus, 65) anterior head, 66) dorsal head, 67) propodeum, 68) mesoscutum, 69) dorsal metasoma, 70) ovipositor sheaths with protruding ovipositor.

FIGURES 71 – 77. Centistes cartagoensis sp. n. 71) Lateral habitus, 72) oblique head, 73) dorsal head, 74) propodeum, 75) mesoscutum, 76) dorsal metasoma, 77) ovipositor sheaths with protruding ovipositor.

FIGURES 113 – 119. Centistes hirsutus sp. n. 113) Lateral habitus, 114) anterior head, 115) dorsal head, 116) propodeum, 117) mesoscutum, 118) dorsal metasoma, 119) ovipositor sheaths with protruding ovipositor.

FIGURES 134 – 140. Centistes longicaudatus sp. n. 134) Lateral habitus, 135) anterior head, 136) dorsal head, 137) propodeum, 138) mesoscutum, 139) dorsal metasoma, 140) long ovipositor sheaths.

FIGURES 141 – 147. Centistes marshi sp. n. 141) Lateral habitus, 142) anterior head, 143) dorsal head, 144) propodeum, 145) mesoscutum, 146) dorsal metasoma, 147) long ovipositor sheaths with protruding ovipositor.

FIGURES 162 – 168. Centistes pilosus sp. n. 162) Lateral habitus, 163) anterior head, 164) dorsal head, 165) propodeum, 166) pubescent mesoscutum, 167) dorsal metasoma, 168) apically ovipositor sheaths and ventrally protruding ovipositor.

FIGURES 169 – 175. Centistes puntarenensis sp. n. 169) Lateral habitus, 170) anterior head, 171) dorsal head, 172) propodeum, 173) mesoscutum, 174) dorsal metasoma, 175) apically ovipositor sheaths and ventrally protruding ovipositor.

FIGURES 176 – 182. Centistes sergeyi sp. n. 176) Lateral habitus, 177) anterior head, 178) dorsal head, 179) propodeum, 180) mesoscutum, 181) dorsal metasoma, 182) ovipositor sheaths with ovipositor partly protruding.

FIGURES 120 – 126. Centistes janzeni sp. n. 120) Lateral habitus, 121) anterior head, 122) dorsal head, 123) propodeum, 124) mesoscutum, 125) dorsal metasoma, 126) small ovipositor sheaths.

FIGURES 21 – 25. Centistes wing venation. Arrows represent: a. vein Rs + M, b. intersection between vein RS and vein m-cu, c. vein m-cu. 21) vein Rs + M absent and vein m-cu apical to RS. 22) Vein Rs + M absent and vein m-cu basal to vein RS. 23) Vein Rs + M absent and vein m-cu intersticial to RS. 24) Vein Rs + M incomplete, present as a short stub, and vein m-cu basal to RS. 25) Vein Rs + M complete and vein m-cu basal to RS.

FIGURES 1 – 7. Centistes epicaeri Muesebeck. 1) Lateral habitus, 2) anterior head, 3) dorsal head, 4) dorsal metasoma, 5) dorsal mesoscutum, 6) lateral metasoma showing apically ovipositor sheaths and ventrally protruding ovipositor, 7) propodeum.

FIGURES 155 – 161. Centistes ornamentum sp. n. 155) Lateral habitus, 156) anterior head, 157) dorsal head, 158) propodeum, 159) mesoscutum with deeply demarcated notauli, 160) dorsal metasoma, 161) short ovipositor sheaths with protruding ovipositor.

FIGURES 8 – 14. Centistes gasseni Shaw. 8) Lateral habitus, 9) anterior head, 10) dorsal head, 11) propodeum, 12) mesoscutum, 13) dorsal metasoma, 14) ovipositor sheaths.

FIGURES 99 – 105. Centistes gauldi sp. n. 99) Lateral habitus, 100) anterior head, 101) dorsal head, 102) propodeum, 103) mesoscutum, 104) dorsal metasoma, 105) ovipositor sheaths with protruding ovipositor.