Xanthopimpla, Saussure, 1892

Pham, Nhi Thi, Broad, Gavin R., Matsumoto, Rikio & Wägele, Wolfgang J., 2011, 3056, Zootaxa 3056, pp. 1-67 : 6-10

Key to species of Xanthopimpla in Vietnam (modified from Townes & Chiu 1970)

1. Fore wing with areolet open on outer side, vein 3 rs-m completely absent ( Fig. 11a)................................. 2

-. Fore wing with areolet closed, vein 3 rs-m present............................................................ 6

2. Mesoscutum and mesopleuron with moderately dense hairs; mid and hind tibiae with bristles only at apex, plus a few near apex; fore wing with vein cu-a basad of Rs+M; shaft of dorsal valve of ovipositor enclosing shaft of ventral valve ( Fig. 16e), in lateral view the ventral valve visible only at tip.................................... 3 (The incompleta species group)

-. Mesoscutum with several hairs on median lobe; upper half of mesopleuron entirely or almost hairless; mid and hind tibiae with stout bristles on the apical 0.25 or more; fore wing with vein cu-a opposite or a little distad of Rs+M; shaft of dorsal valve of ovipositor not enclosing shaft of ventral valve ( Fig. 15a)........................... 5 (The rhopaloceros species group)

3. Propodeum with area superomedia entirely confluent with second lateral area; hind femur with black stripe beneath............................................................................................. X. connexa Krieger

-. Propodeum with area superomedia partly or completely separated from second lateral area; hind femur black apically or entirely yellow........................................................................................ 4

4. Mesoscutum medially with three separate black spots; femur black apically................ X. pulvinaris Townes & Chiu

-. Mesoscutum medially with three confluent black spots; femur entirely yellow......................... X. naenia Morley

5. Malar space about 0.5 times as long as mandible basal width; submetapleural carina entirely absent; propodeum with basal transverse carina usually absent or weakly present; occipital area, mesopleuron and hind coxa with black spots; metaepisternum and tergites 2–7 each with two black spots.......................................... X. melanacantha Krieger

-. Malar space about 0.85 times as long as mandible basal width ( Fig. 5a); submetapleural carina present on anterior half ( Fig. 7a); propodeum with basal transverse carina present ( Fig. 9a); occipital area, mesopleuron, metaepisternum, hind coxa, tergites 2 and 6 entirely yellow; tergite 3 with black band ( Fig. 13a)...................................... X. morsei sp. nov.

6. Mid and hind tibiae with dense bristles on apical 0.7 ( Fig. 17c); face distinctly swollen ( Fig. 5b); scutellum flat, without lateral carina ( Fig. 9b); ovipositor tip with apical vertical ridges and basal oblique ridges ( Fig. 15b); posterior 0.4 of submetapleural carina weakly present ( Fig. 7b);............................ Xanthopimpla boehmei sp. nov. (The xystra species group)

-. Mid and hind tibiae with some apical bristles but never covering entire apical 0.7; face flat or weakly convex; scutellum convex or conical, lateral carina forming low to high flange; ovipositor tip with more or less apical oblique ridges, never separated into two series of ridges; submetapleural carina present or absent................................................ 7

7. Propodeum with hill-like or tubercle-like swelling in front of spiracle ( Figs 7d–f, 9e–f)........ 8 (The regina species group)

-. Propodeum never with hill-like or tubercle-like swelling in front of spiracle...................................... 17

8. Lateral black mark on mesoscutum nearly joined posteriorly to black spot in front of scutellum ( Fig. 1c); area superomedia 0.45–0.55 times as long as wide; propodeum entirely yellow ( Fig. 9c) [ovipositor sheath about 0.8 times as long as hind tibia ( Fig. 15c)]...................................................................... X. flavapropodea sp. nov.

-. Lateral black mark on mesoscutum at level of tegula or joined posteriorly to black mark in front of scutellum; area superomedia 0.7–1.05 times as long as wide; propodeum always marked with black......................................... 9

9. Median and lateral black marks on mesoscutum joined posteriorly to black mark in front of scutellum ( Fig. 1d); [area superomedia as long as wide ( Fig. 9d); tergite 3 with sparse, coarse punctures ( Fig. 13d); tergite 4 onwards with dense, minute punctures]................................................................................. X. omega sp. nov.

-. Lateral black marks on mesoscutum never joined posteriorly to black mark in front of scutellum...................... 10

10. First tergite elongate, 1.6 times as long as apical width; ovipositor sheath short, about 0.27 times as long as hind tibia ( Fig. 15d) [scutellum conical, with median point ( Fig. 9e)]............................................. X. porrecta sp. nov.

-. First tergite broader, about 1.0–1.3 times as long as apical width; ovipositor sheath longer, about 0.5–2.1 times as long as hind tibia............................................................................................... 11

11. Black marks on mesoscutum not extending to anterior 0.25–0.35, median black mark always joined to black mark in front of scutellum; hind femur entirely yellow or with very small black spot on posterior face............................... 12

-. Black marks on mesoscutum not extending to anterior 0.15–0.20, median black mark joined to or separated from black mark in front of scutellum; hind femur always marked with black..................................................... 13

12. Scutellum strongly convex; tergites 2, 6 and hind trochanter entirely yellow; tergite 3 with sparse punctures; ovipositor sheath about 0.65 times as long as hind tibia...................................................... X. brevicarina Wang

-. Scutellum conical, with median point ( Fig. 9f); tergites 2, 6 each with two black spots; hind trochanter marked with black; tergite 3 with moderately dense punctures ( Fig. 13e); ovipositor sheath 0.8 times as long as hind tibia. X. flavafemora sp. nov.

13. Face without sublateral, vertical ridge on each side; median black mark on mesoscutum always joined with black mark in front of scutellum; scutellum convex; ovipositor sheath about 0.5 times as long as hind tibia............... X. leviuscula Krieger

-. Face with sublateral, vertical ridge on each side; median black mark on mesoscutum separated from or joined posteriorly to black mark in front of scutellum; ovipositor sheath longer than hind tibia........................................ 14

14. First tergite without black spots; ovipositor sheath long, about 1.85–2.1 times as long as hind tibia, tergite 3 with dense, coarse punctures; scutellum strongly convex, rarely conical............................................. X. regina Morley

-. First tergite with small to large black spots; ovipositor sheath shorter; tergite 3 with sparse to dense punctures........... 15

15. Tergites 3–5 with dense, coarse punctures; scutellum more or less conical [ovipositor sheath 1.05–1.25x hind tibia]............................................................................................. X. pedator Fabricius

-. Tergite 3 sparsely punctate; scutellum convex to conical...................................................... 16

16. Face about 0.8–0.85 times as high as wide; median black mark on mesoscutum joined posteriorly to black mark in front of scutellum; ovipositor sheath about 1.7 times as long as hind tibia; ovipositor distinctly decurved... X. stricta Townes & Chiu

-. Face about 0.6–0.7 times as high as wide; median black mark on mesoscutum not joined posteriorly to black mark in front of scutellum; ovipositor sheath 1.1–1.3 times as long as hind tibia; ovipositor straight, slightly decurved at tip X. konowi Krieger

17. Largest bristles on mid and hind tarsal claws not widened apically, or rarely widened but pale in colour and gradually tapered to end.............................................................................................. 18

-. Largest bristles on mid and hind tarsal claws more or less widened apically, the widened part usually black............ 27

18. Mesoscutum with moderately dense hairs between tegulae, most hairs sockets closer together than length of hairs................................................................................. 19 (The brachycentra species group)

-. Mesoscutum with sparse hairs or lacking hairs between tegulae................................................ 24

19. Scutellum conical ( Fig. 9g); mid and hind tibiae with small bristles near and at apex; hind coxa with black mark on anterior face; ovipositor tip depressed, ovipositor sheath 0.3 times as long as hind tibia ( Fig. 15h)............... X. spicula sp. nov.

-. Scutellum convex; mid and hind tibiae with several stouter bristles near and at apex; hind coxa without black mark; ovipositor tip cylindrical, or very flat in X. platyura .................................................................. 20

20. Lateral carina of scutellum wide, medially as wide as first flagellomere width; propodeum with area superomedia longer than wide, bounded by strong carinae; ovipositor tip strongly flattened [ovipositor sheath 0.6 times as long as hind tibia]....................................................................................... X. platyura Townes & Chiu

-. Lateral carina of scutellum narrower; propodeum with area superomedia wider than long, bounded by rather weak or moderately strong carinae; ovipositor tip cylindrical.............................................................. 21

21. Tergites 1–3 with black bands; lateral black band on mesoscutum strongly curved, extending far posterior to tegula [ovipositor sheath about 0.65 times as long as hind tibia]......................................... X. transmaculata Wang & He

-. Tergite 2 with black spots or entirely yellow, never with black band; lateral black band on mesoscutum weakly curved, ending before posterior level of tegula or slightly extending beyond................................................... 22

22. Hind tibia with two preapical bristles; tergites 1–5 each with two black spots [ovipositor sheath 0.3 times as long as hind tibia]................................................................................. X. brachycentra Krieger

-. Hind tibia with 4–6 preapical bristles; tergites 1, 3 and 7 with black bands (rarely tergite 3 with two large black spots)..... 23

23. Hind side of vertex with two black spots opposite two black spots on occipital area; hind trochanter mostly black; hind femur with black bands on upper and lower sides; two black spots on tergite 2 with fine punctures ( Fig. 13f)................................................................................................... X. punctatissima sp. nov.

-. Hind side of vertex and occipital area entirely yellow; hind leg yellow except apical 0.2 of tibia black; tergite 2 entirely yellow, nearly without punctures [ovipositor sheath 0.5–0.6 times as long as hind tibia]..................... X. reicherti Krieger

24. Area superomedia entirely closed by carinae [about 0.5–0.6 times as long as wide]; ovipositor sheath 1.7–1.8x hind tibia.............................................................. X. punctata (Fabricius) (The punctata species group)

-. Area superomedia closed or open posteriorly; ovipositor sheath 0.45–0.9 times as long as hind tibia............................................................................................. 25 (The occidentalis species group)

25. Mesoscutum with three separated black spots medially ( Fig. 2c); area superomedia closed by distinct carinae ( Fig. 9i); metasomal tergites 1–6 each with two black spots; ovipositor straight, lower valve with six apical transverse ridges; ovipositor sheath 0.65 times as long as hind tibia ( Fig. 15e)........................................ X. amplamaculosa sp. nov.

-. Mesoscutum with three continuous black spots medially; area superomedia open posteriorly; tergite 2 or tergite 6 or both entirely yellow....................................................................................... 26

26. Lateral black marks on mesoscutum long, nearly extending posteriorly to scutellum; hind tibia with 1–2 preapical bristles; ovipositor sheath 0.45 times as long as hind tibia............................................... X. despinosa Krieger

-. Lateral black marks on mesoscutum rounded, as large as median spot; hind tibia with 4–7 preapical bristles; ovipositor sheath 0.8–0.9x hind tibia.................................................................... X. honorata Cameron

27. Lower anterior corner of pronotum a sharp angle, nearly always making an angle of 90°–100°; areolet receiving vein 2 m-cu almost at or near its outer corner.................................................. 28 (The elegans species group)

-. Lower anterior corner of pronotum more broadly to angle, rounded, often making an angle of more than 100°........... 32

28. Mid and hind tibiae without stout bristles at or near apex; ovipositor sheath about 0.3 times as long as hind tibia......... 29

-. Mid and hind tibiae with several stout bristles at and near apex; ovipositor sheath about 0.8–1.15 times as long as hind tibia 30

29. Face wider than high; subtegular ridge subtriangular; hind trochanter entirely yellow; area superomedia well defined or partly confluent with second lateral area; second lateral area of propodeum smooth, without longitudinal ridges; first tergite about 1.2x apical width................................................................. X. curvimaculata Cameron

-. Face quadrate or slightly higher than wide; subtegular ridge evenly convex; hind trochanter marked with black; area superomedia well defined; second lateral area of propodeum with several strong, longitudinal ridges; first tergite as long as apical width.................................................................................. X. nigritarsis Cameron

30. Mesoscutum medially with three distinctly separate black spots; posterior part of tegula light brown, transparent; propodeum without basal transverse carina, first and second lateral areas completely confluent............. X. tricapus Townes & Chiu

-. Mesoscutum medially with three continuous black spots; posterior part of tegula black; propodeum with basal transverse carina present........................................................................................ 31

31. Propodeum without median part of posterior transverse carina, lateromedian longitudinal carina partly or entirely absent behind basal transverse carina; area superomedia confluent with second lateral area and petiolar area; tergite 3 with black, Vshaped mark...................................................................... X. varimaculata Cameron

-. Propodeum with posterior transverse carina complete; area superomedia well defined; tergite 3 with two large black spots or with black band..................................................................... X. elegans Vollenhoven

32. Body entirely yellow, except black ocellar area.......................................33 (The citrina species group)

-. Body always with black marks on mesosoma, metasoma and legs.............................................. 34

33. Pterostigma light brown; area superomedia 0.8–1.3 times as long as wide, receiving basal transverse carina behind centre; ovipositor sheath 4.8–5.0 times as long as wide............................................. X. flavolineata Cameron

-. Pterostigma dark brown to blackish; area superomedia 1.05–1.4x as long as wide, receiving basal transverse carina near centre; ovipositor sheath 3.9 times as long as wide................................................. X. enderleini Krieger

34. Notaulus usually longer than length of tegula; lower anterior corner of pronotum very broadly rounded, making an angle of more than 130°; first tergite with dorsolateral carina complete........................... 35 (The trunca species group)

-. Notaulus usually shorter or as long as tegula; lower anterior corner of pronotum rounded, making an angle of 100°–120°; first tergite with dorsolateral carina present or absent............................................................ 40

35. Propodeum with strong carinae; area superomedia closed, 0.9 times as long as wide; propodeum without basal transverse carina so that first and second lateral area confluent; pleural part divided by posterior transverse carina [ovipositor sheath 0.3 times as long as hind tibia]..................................................... X. pleuroschista Townes & Chiu

-. Propodeum with area superomedia not defined or open posteriorly; pleural part not divided.......................... 36

36. Propodeum without carinae, except lateral longitudinal carina apically and small basal stub of lateromedian longitudinal carina ................................................................................................... 37

-. Propodeum with several carinae, the basal transverse carina always present....................................... 38

37. Mesoscutum black only in front of scutellum; first tergite longer than apical width; tergites 3 and 5 entirely yellow; ovipositor sheath about 0.45 times as long as hind tibia.............................................. X. trias Townes & Chiu

-. Mesoscutum with black mark medially, plus small black mark in front of scutellum; first tergite shorter than apical width; tergites 3 and 5 each with two black spots; ovipositor sheath 0.35 times as long as hind tibia.......... X. calva Townes & Chiu

38. Lateromedian longitudinal carina of propodeum completely absent except in front of basal transverse carina; propodeum with black band basally; first tergite with black band; ovipositor sheath 0.9 times as long as hind tibia....... X. fastigiata Krieger

-. Lateromedian longitudinal carina of propodeum present behind basal transverse carina; propodeum entirely yellow or with black spot in first lateral area; first tergite with two black spots or none; ovipositor sheath shorter, about 0.3 times as long as hind tibia........................................................................................... 39

39. Notaulus ending before posterior level of tegula; mesoscutum with three large continuous black spots; scutellum conical, centrally with low blunt cone, laterally with short transverse ridge attached to lateral carina; hind wing with vein 1 A pigmented almost to wing margin; tergites 2–7 with black transverse bands subbasally....................... X. sexlineata Cameron

-. Notaulus extending to posterior level of tegula; mesoscutum without or with 1–2 small black spots medially; scutellum convex, centrally without cone, laterally without short transverse ridge; hind wing with posterior part of vein 1 A indistinct; metasomal tergites 2 and 6 entirely yellow....................................................... X. minuta Cameron

40. Pleural part of propodeum subdivided into two areas by posterior transverse carina; outer margin of subtegular ridge moderately sharp [scutellum conical; area superomedia bounded by strong carinae; ovipositor decurved; ovipositor sheath 0.3 times as long as hind tibia]....................................... X. clivulus Townes & Chiu (The cuneata species group)

-. Pleural part of propodeum not subdivided into two areas; outer margin of subtegular round or sharp................... 41

41. Postpectal carina in form of high flange that is triangularly widened medially and with deep median notch at apex of triangle ( Figs. 17a–b)................................................................42 (The ochracea species group)

-. Postpectal carina in form of low or high flange, only a little widened medially, with or without shallow or broad median notch ................................................................................................... 44

42. Hind coxa entirely yellow; hind tibia black basally; first tergite equal to or shorter than apical width; ovipositor sheath as long as hind tibia........................................................................... X. ochracea (Smith)

-. Hind coxa with black spot on anterior side; mid and hind tibiae with black marks both basally and medially; first tergite equal to or longer than apical width; ovipositor sheath longer than hind tibia.......................................... 43

43. Hind slope of vertex with two median continuous black spots; median black mark on mesoscutum joined posteriorly to black mark in front of scutellum ( Fig. 2d); lateral carina of scutellum forming high flange from base toward apex, abruptly narrowed at apex ( Fig. 10d); metasomal tergites with sparse, fine punctures, black spots on tergite 3 polished and almost impunctate ( Fig. 14a); ovipositor sheath 1.55 times as long as hind tibia.......................................... X. chuiae sp. nov.

-. Hind slope of vertex with large black area continuously with black area on occipital area; lateral black mark on mesoscutum joined posteriorly to black mark in front of scutellum ( Fig. 2e); lateral carina of scutellum forming high flange, gradually narrowed from middle to apex ( Fig. 10e); metasomal tergites with dense, coarse punctures ( Fig. 14b); ovipositor sheath 1.1 times as long as hind tibia............................................................... X. pseudosternata sp. nov.

44. Posterior transverse carina of propodeum absent or present as two stubs laterally; area superomedia not defined.......................................................................................... 45 (The nana species group)

-. Posterior transverse carina of propodeum distinct across midline, except Xanthopimpla panthera sp. nov., with carina present only medially; area superomedia closed or in X. pleuralis , fused with second lateral area............................ 48

45. Mid and hind tibiae each with 1–2 preapical bristles; posterior transverse carina present as short stubs laterally [metasomal tergites each with two black spots; ovipositor sheath 0.65–0.7 times as long as hind tibia]........... X. glaberrima Roman

-. Mid and hind tibiae each with 5–11 preapical bristles; posterior transverse carina entirely absent or when present nearly as long as basal transverse carina.............................................................................. 46

46. Hind side of head marked with black; posterior face of fore and mid femora and tibiae with black stripes medially; hind tibia with basal 0.2 black, plus two median black stripes laterally; ovipositor sheath 1.45 times as long as hind tibia................................................................................................. X. jacobsoni Krieger

-. Hind side of head entirely yellow; fore and mid legs without black stripes; hind tibia with basal 0.2 black, without black marks medially; ovipositor shorter than hind tibia................................................................ 47

47. Posterior transverse carina of propodeum entirely absent; mesoscutum with black mark in front of scutellum; hind femur entirely yellow or sometimes with black marks on anterior and posterior faces; ovipositor sheath 0.6–0.8 times as long as hind tibia.................................................................................... X. nana Schulz

-. Posterior transverse carina of propodeum present laterally; mesoscutum without black mark in front of scutellum; hind femur with apical black mark; ovipositor sheath 0.9 times as long as hind tibia.......................... X. alternans Krieger

48. Mid tibia with 8–17, hind tibia with 9–18 preapical bristles; hind trochanter and femur entirely yellow............................................................................................ 49 (The stemmator species group)

-. Mid tibia with 0–9, hind tibia with 3–10 preapical bristles; hind trochanter and femur always marked with black.....................................................................................50 (The terebatrix species group)

49. Hind side of head with two black spots; mesoscutum always with black spot in front of scutellum; hind tibia with 9–11 preapical bristles; propodeum with black spot in first lateral area; first tergite with two lateral black spots; tergite 6 entirely yellow; ovipositor sheath about 1.1 times as long as hind tibia....................................... X. stemmator Thunberg

-. Hind side of head with median black area connecting with black inter-ocellar area; mesoscutum without black spot in front of scutellum; hind tibia with 12–18 preapical bristles; propodeum and first tergite entirely yellow; tergite 6 with two black spots or none; ovipositor sheath 1.3–1.4 times as long as hind tibia...................................... X. modesta Smith

50. Scutellum conical with sharp point; median black mark on mesoscutum with anterior deeply notched; mid and hind tibiae without any bristles near apex; petiolar area of propodeum with two longitudinal black spots [metasomal tergites each with black band medially; ovipositor sheath 0.25 times as long as hind tibia]............................ X. conica Cushman

-. Scutellum simply convex; median black mark on mesoscutum not or only shallowly notched anteriorly; mid and hind tibiae with several bristles near apex; petiolar area of propodeum without black spots.................................... 51

51. Propodeum with lateral part of posterior transverse carina absent so that second lateral area confluent with petiolar area ( Fig. 10a); ovipositor sheath 0.7 times as long as hind tibia [area superomedia 0.5–0.6 times as long as wide; ovipositor with six apical ridges ( Fig. 16b)]................................................................... X. panthera sp. nov.

-. Propodeum with posterior carina completely present; ovipositor sheath much shorter, 0.25–0.33 times, or much longer, 1.1–2.2 times, longer than hind tibia............................................................................ 52

52. Lateral flange of scutellum relatively high, medially about half width of first flagellomere; lateral and median black marks on mesoscutum joined posteriorly to black mark in front of scutellum; metasomal tergites with sparse, fine punctures [black spots on tergite 3 and 4 with only several minute punctures; ovipositor lower valve with three apical ridges; ovipositor sheath 1.25 times as long as hind tibia].......................................................... X. quatei Townes & Chiu

-. Lateral flange of scutellum lower; lateral and median black marks on mesoscutum not all joined posteriorly to black mark in front of scutellum; metasomal tergites with dense, fine or coarse punctures....................................... 53

53. Mesopleuron with black spot medially; propodeum with area superomedia confluent with second lateral area; spatulate bristles of mid and hind tarsal claws very broad at apex; ovipositor sheath very long, about 1.8−2.2 times longer than hind tibia........................................................................................ X. pleuralis Cushman

-. Mesopleuron entirely yellow or, in X. annulata , with anterior black mark; propodeum with area superomedia well defined, bounded by moderate to strong carinae; spatulate bristles of mid and hind tarsal claws not unusually broad; ovipositor sheath shorter............................................................................................. 54

54. Upper half of occiput entirely yellow or with narrow black mark............................................... 55

-. Upper half of occiput and adjacent part of hind slope vertex black.............................................. 57

55. Hind slope of vertex with two small, oblique blackish spots; mid tibia with one preapical bristle; area superomedia 0.6 times as long as wide ( Fig. 10b); metasomal tergites each with black band except tergite 2 with two black spots ( Fig. 2g); ovipositor 0.25 times as long as hind tibia............................................................. X. hienae sp. nov.

-. Hind slope of vertex entirely yellow or with black area medially; mid tibia with three preapical bristles; area superomedia 0.8–1.0 times as long as wide; metasomal tergites usually with black bands on tergites 1, 3 and 7; ovipositor slightly to distinctly longer.......................................................................................56

56. Hind slope of vertex entirely yellow; notaulus shallow, extending to anterior level of tegula; hind femur with black mark posteriorly; hind tibia with one apical, one preapical bristle; tergite 3 with two black spots ( Fig. 14e); ovipositor sheath 0.33 times as long as hind tibia; ovipositor tip straight ( Fig. 16d).............................................. X. oriole sp. nov.

-. Hind slope of vertex with median black area; notaulus moderately deep, extending to median level of tegula; hind femur with black marks anteriorly, posteriorly and apically; hind tibia with three apical, 2–3 preapical bristles; tergite 3 with black band; ovipositor sheath equal to or longer than hind tibia; ovipositor tip distinctly down-curved.......... X. sikkimensis Cameron

57. Mesoscutum with three continuous black spots, of which two lateral oblique spots larger than median spot; apex of hind tibia blackish; area superomedia receiving basal transverse carina near its basal 0.3; ovipositor sheath 0.33 times as long as hind tibia......................................................................... X. atriclunis Townes & Chiu

-. Mesoscutum with three separate, longitudinal black spots; apex of hind tibia yellow; area superomedia receiving basal transverse carina at middle or near apical 0.3................................................................... 58

58. Punctures on tergites 3−5 large and deep; mesopleuron anteriorly and metaepisternum marked with black; first tergite elongate, 1.3–1.4 times longer than apical width; metasomal tergites each with two black spots, except first tergite sometimes entirely yellow [ovipositor sheath as long as hind tibia]............................................. X. annulata Cushman

-. Punctures on tergites 3−5 small and shallow; first tergite broader, about 1.0–1.2 times longer than apical width; metasomal tergites each with two black spots or black band; mesopleuron and metaepisternum yellow.......................... 59

59. Face finely punctate; area superomedia usually with two small basal black spots; ovipositor sheath about 1.6 times longer than hind tibia............................................................................ X. polyspila Camron

-. Face coarsely punctate; area superomedia always yellow; ovipositor sheath 0.25 times as long as hind tibia................................................................................................... X. decurtata Krieger