The ultor - group of the genus Dolichogenidea Viereck (Hymenoptera, Braconidae, Microgastrinae) from China with the descriptions of thirty-nine new species Author Liu, Zhen Author He, Jun-Hua Author Chen, Xue-Xin Author Gupta, Ankita Author Moghaddam, Mostafa Ghafouri text Zootaxa 2019 2019-12-12 4710 1 1 134 journal article 24537 10.11646/zootaxa.4710.1.1 1386b8e6-b03e-43dc-b6f7-2295814ab8b2 1175-5326 3587475 DC6FD1A7-ADEA-4631-B4FB-FE1E2DC89777 Key to species of the ultor- group of the genus Dolichogenidea Viereck from China 1. Propodeum without costulae …................................................. D. hyblaeae ( Wilkinson, 1928 ) - Propodeum with costulae (e.g. Figs 5f , 6e , 7d ) …............................................................ 2 2. T2 much wider than apical width of T1; posterior tangent to anterior ocellus passing far beyond posterior pair of ocelli ..... .................................................................................. D. amaris ( Nixon, 1967 ) - T2 at most slightly wider than apical width of T1 (e.g. Fig. 21d ); posterior tangent to anterior ocellus touching posterior pair of ocelli ............................................................................................... 3 3. Hind femur yellow to reddish yellow, at most infuscate (e.g. Fig. 4a ) ............................................. 4 - Hind femur blackish brown to black (e.g. Fig. 17a ) .......................................................... 38 4. Ovipositor sheath distinctly shorter than hind tibia (e.g. Fig. 27i ) ................................................ 5 - Ovipositor sheath not shorter than hind tibia (e.g. Fig. 54a ) .................................................... 23 5. T2 strongly rugose or rugulose (e.g. Fig. 4h ) ................................................................ 6 - T2 smooth to almost smooth (e.g. Fig. 3g ) ................................................................. 13 6. T3 hardly longer or slightly shorter than T2 medio-longitudinally (e.g. Fig. 4g ) ..................................... 7 - T3 distinctly longer than T2 medio-longitudinally (e.g. Fig. 48h ) ............................................... 10 7. Pterostigma with basal spot ( Fig. 26c ); T3 strongly rugose ( Figs 26a , 70f ) ............... D. hemitheae ( Wilkinson, 1928 ) - Pterostigma without basal spot (e.g. Fig. 4b ); T3 totally smooth (e.g. Fig. 4h ) ...................................... 8 8. Ovipositor with a distinct apical attenuation; three posterior fields on propodeum rugose ( Fig. 70 ) .... D. prisca ( Nixon, 1967 ) - Ovipositor tapering, curved, without distinct apical attenuation; three posterior fields on propodeum nearly polished ....... 9 9. Ovipositor sheath 1.2× longer than hind basitarsus; disc of mesonotum strongly and coarsely punctate, interspaces less than half of puncture diameter ( Fig. 4g ) .............................................. D. altithoracica Liu & Chen , sp. nov. - Ovipositor sheath at most as long as hind basitarsus; disc of mesonotum sparsely punctate, interspaces more than half of puncture diameter ( Figs 21e , 70e ) ......................................................... D. expulsa ( Turner, 1919 ) 10. Ovipositor with a distinct apical attenuation ( Fig. 44e ); wings weakly milky ........... D. multicolor Liu & Chen , sp. nov. - Ovipositor tapering, curved without apical attenuation (e.g. Fig. 48c ); wings hyaline ............................... 11 11. Pterostigma with whitish basal spot ( Fig. 48c ); T2 nearly 5.0× wider than long in middle ( Fig. 48f ); hind femur stout, 2.3× longer than wide ( Fig. 48c ) ...................................................... D. ovata Liu & Chen , sp. nov. - Pterostigma without whitish basal spot (e.g. Fig. 61b ); T2 at most 3.7× wider than long in middle ( Fig. 61g ); hind femur of normal size, over 3.0× longer than wide (e.g. Fig. 61i ) ....................................................... 12 12. Tegula yellowish brown ( Fig. 61f ); vein r of fore wing slightly shorter than width of pterostigma ( Fig. 61b ); spurs of hind tibia equal in length, nearly half length of hind basitarsus ........................... D. transcarinata Liu & Chen , sp. nov. - Tegula black ( Fig. 7e ); vein r of fore wing a little longer than width of pterostigma ( Fig. 7b ); spurs of hind tibia unequal in length, outer spur 1/3 length of hind basitarsus ......................................... D. asotae ( Watanabe, 1932 ) 13. T1 posteriorly with weakly or distinctly widening sides (e.g. Fig. 3g ) ............................................ 14 - T1 parallel-sided or with weakly converging sides (e.g. Fig. 35e ) ............................................... 16 14. Horizontal surface of T1 mostly polished ( Fig. 3g ); pterostigma pale yellowish brown ( Fig. 3b ) ........................ ...................................................................... D. alophogaster Liu & Chen , sp. nov. - Horizontal surface of T1 nearly entirely rugose ( Fig. 60g ); pterostigma brown ( Fig. 60f )........................... 15 15. Pterostigma blackish brown ( Fig. 60f ); T2 without transverse striae medio-apically ( Fig. 60g ); T1 without longitudinal strie ( Fig. 60g ) [attacking Porthesia taiwana Shiraki ] ...................................... D. taiwanensis ( Sonan, 1942 ) - Pterostigma uniformly reddish brown ( Figs 14b , 70d ); T2 with distinct transverse striae medio-apically ( Figs 14g , 70d ); apical third of T1 finely striate ( Figs 14g , 70d ) [attacking Cania bilinear Walker ] ................ .. D. caniae ( Wilkinson, 1928 ) 16. T1 more or less constricted posteriorly; T2 subtriangular or crescent-shaped ...................................... 17 - T1 nearly parallel-sided; T2 distinctly transverse, two to three times as wide as long ................................ 18 17. T3 1.5× longer than T2 ( Fig. 35e ); ovipositor sheath 0.5× length of hind basitarsus ( Fig. 35i ); vein cu-a of hind wing straight and perpendicular to 1-1A ( Fig. 35b ) ......................................... D. lincostulata Liu & Chen , sp. nov. - T3 slightly longer than T2 ( Fig. 31g ); ovipositor sheath 0.8× as long as hind femur ( Fig. 31a ); vein cu-a of hind wing slightly incurved ( Fig. 31d ) ......................................................... D. infirmus Liu & Chen , sp. nov. 18. Body 1.4 mm ; ovipositor thin and straight, without attenuation ( Fig. 43c ); sulcus between T2 and T3 indistinct ( Fig. 43d ) ........................................................................... D. minuscula Liu & Chen , sp. nov. - Body 2.0 mm; ovipositor thick and more or less curved; sulcus between T2 and T3 distinct .......................... 19 19. Horizontal surface of T 1 in greater part smooth and polished; T2 about 0.5× length of T3 medio-longitudially ............ .............................................................................. D. prodeniae (Viereck, 1912) - Horizontal surface of T1 rugose; T2 distinctly greater than 0.5× length of T3 medio- longitudially ..................... 20 20. Wings distinctly brownish ( Fig. 46b, c ); punctures on posterior part of mesonotum rather sparse ( Fig. 46d ); head distinctly transverse in dorsal view, 2.3× as wide as long ( Fig. 46h ) .............................. D. obsoleta Liu & Chen , sp. n - Wings colourless; punctures on posterior part of mesonotum denser; head weakly transverse in dorsal view, 1.6–2.0× as wide as long ........................................................................................... ... 21 21. Lateral margins of basal three tergites whitish yellow to yellow (e.g. Fig. 16c ); ovipositor sheath at least as long as hind basitarsus (e.g. Fig. 16a ) .................................................................................... 22 - Lateral margins of basal three tergites brown ( Fig. 27h ); ovipositor sheath distinctly shorter than hind basitarsus ( Fig. 27i ) .. ......................................................................... D. hemituba Liu & Chen , sp. nov. 22. Pterostigma with a whitish basal spot ( Fig. 16b ); metasoma 1.2× longer than mesosoma.... D. clausa Liu & Chen , sp. nov. - Pterostigma without whitish basal spot ( Fig. 51b ); metasoma a little shorter than mesosoma ( Fig. 51a ) ........................................................................................... D. pentgona Liu & Chen , sp. nov. 23. T1 polished and virtually without sculpture ( Figs 36e , 70i ); wings brownish ( Fig. 36f ) ... D. lissos ( Nixon, 1967 ) , comb. nov. - T1 at most becoming polished and unsculptured toward apex; wings hyaline...................................... 24 24. T2 strongly rugose to rugulose .......................................................................... 25 - T2 smooth to almost smooth ............................................................................ 33 25. Pterostigma brown with a whitish basal spot ............................................................... 26 - Pterostigma evenly brown or whitish without basal spot ...................................................... 28 26. Metasoma nearly yellow to entirely slightly reddish yellow ( Fig. 40h ); T2 crescent-shaped, poorly defined ( Fig. 40h ); vein cu-a of hind wing straight ( Fig. 40f )................................................ D. lunatus Liu & Chen , sp. nov. - Metasoma black, at most yellowish brown ventrally and apically; T2 distinctly transverse, 3.0× to 5.5× wider than long in middle, well-defined; vein cu-a of hind wing curved ......................................................... 27 27. T2 transverse, 5.5× wider than long in middle ( Fig. 34h ); mesonotum without any trace of striation medio-apically ( Fig. 34f ); penultimate antennomere cubic .............................................. .. D. latitergita Liu & Chen , sp. nov. - T2 less transverse, 3.0× wider than long in middle ( Fig. 25f ); mesonotum with a trace of striations medio-apically ( Fig. 25g ); penultimate antennomere 1.7× longer than wide ................................. .. D. gleditsia Liu & Chen , sp. nov. 28. Pterostigma whitish with dark border ( Figs 1b , 70a 2 ); ovipositor with an apical attenuation; first discal cell of fore wing not wider than high ( Fig. 1b ); hind femur weakly infuscate ( Fig. 1a ) .................... D. acron ( Nixon, 1967 ) , comb. nov. - Pterostigma yellow to brown ............................................................................ 29 29. T1 posteriorly with weakly or distinctly widening sides ....................................................... 30 - T1 parallel-sided or with weakly converging sides ........................................................... 32 30. Ovipositor sheath shorter than hind tarsus; areolation on propodeum flask-shaped or lozenge-shaped and open anteriorly; vein r and 2-SR of fore wing angled at meeting ................................................................. 31 - Ovipositor sheath as long as hind tarsus; areolation on propodeum hexagonal and closed anteriorly ( Fig. 11e ); vein r and 2-SR of fore wing curved at meeting ( Fig. 11g ) ......................................... D. belippicola ( Liu & You, 1988 ) 31. Ovipositor with an apical attenuation equal to about length of hind basitarsus; areolation on propodeum pentagonal-shaped ( Fig. 70g 3 ); hind tarsomere without longitudinal carinae inside ....................... .. D. heterusiae ( Wilkinson, 1928 ) - Ovipositor without attenuation; areolation on propodeum flask-shaped ( Fig. 56g ); hind tarsomere with longitudinal carinae inside .................................................................... .. D. singularis Yang & You, 2002 32. First discal cell of fore wing slightly higher than wide ( Fig. 63b ); scutellum with dense punctures ( Fig. 63f ) .............. ........................................................................ D. vadosulcus Liu & Chen , sp. nov. - First discal cell of fore wing slightly wider than high ( Fig. 9b ); scutellum with sparse punctures, commonly impunctate ( Figs 9f , 70b 1 )....................................................... .. D. bambusae ( Wilkinson, 1928 ) , comb. nov. 33. Body reddish brown ( Fig. 54a ); ovipositor sheath distinctly broad at apex; vein cu-a of hind wing straight ( Fig. 54d ) ....... ......................................................................... D. rectivena Liu & Chen , sp. nov. - Body usually black (except metasoma of D. numenes mostly yellow); ovipositor sheath not broad at apex; vein cu-a of hind wing more or less curved ............................................................................... 34 34. Metasoma mostly yellow with lateral edges of T1 dark brown ( Figs. 45h , 70k 1 ); propodeum long ( Fig. 54e ); ovipositor thick, with down-curved, attenuated tip .................................................... D. numenes ( Nixon, 1967 ) - Metasoma reddish yellow to black; propodeum wider; ovipositor usually without attenuation (at most with a weakly differentiated apical attenuation) ................................................................................ 35 35 Hind femur usually more or less infuscate ................................................................. 36 - Hind femur entirely yellow ............................................................................. 37 36. Ovipositor without apical attenuation; ovipositor sheath 1.5× longer than hind tibia; disc of mesonotum with dense punctures ........................................................................... D. inquisitor ( Wilkinson, 1928 ) - Ovipositor with a long, but weakly differentiated apical attenuation; ovipositor sheath about equal in length to hind femur, but possibly just longer ( Fig. 50a ); disc of mesonotum with well separated punctures ( Fig. 50c ) ...... D. parasae ( Rohwer, 1922 ) 37. Vein r of fore wing longer than width of pterostigma ( Fig. 59b ); T2 half-length of T3 medio-longitudinally ( Fig. 59f ); lateral carinae of areolation on propodeum strong ( Fig. 59d ) .................................. D. stantoni ( Ashmead, 1904 ) - Vein r of fore wing shorter than width of pterostigma; T2 0.7 length of T3 medio-longitudinally; lateral carinae of areolation on propodeum weak ........................................................ .. D. artusicarina Song & Chen, 2004 38. Ovipositor sheath shorter than hind femur ................................................................. 39 - Ovipositor sheath long, at least as long as hind femur ........................................................ 50 39. T2 smooth to almost smooth ............................................................................ 40 - T2 strongly rugose or rugulose .......................................................................... 41 40. Ovipositor sheath distinctly longer than hind basitarsus ( Fig. 8f ); vein r of fore wing evenly rounded at the meeting with 2-SR ( Fig. 8b ); T1 distinctly, but not strongly, constricted at apex ( Fig. 8e ) ..................... D. atarsi Liu & Chen , sp. nov. - Ovipositor sheath a little shorter than hind basitarsus ( Fig. 57i ); vein r and 2-SR of fore wing angled at meeting ( Fig. 57b ); base of T1 narrower than apex ( Fig. 57f )............................................... .. D. sonani ( Watanabe, 1932 ) 41. Ovipositor sheath longer than hind basitarsus ............................................................... 42 - Ovipositor sheath shorter than, at most as long as hind basitarsus ............................................... 47 42. Pterostigma more or less whitish medially, with darker borders ................................................. 43 - Pterostigma evenly yellowish brown to brown .............................................................. 45 43. T2 nearly equal with length of T3 medio-longitudinally ( Fig. 13e ); T1 with a short longitudinal carina medially ( Fig. 13e ); ovipositor thick, with a distinct apical attenuation ............................. .. D. brevicarinata Chen & Song, 2004 - T2 distinctly shorter than T3 medio-longitudinally; T1 without longitudinal carina medially; ovipositor thin, with a weakly differentiated apical attenuation ............................................................................ 44 44. Areolation on propodeum wide ( Fig. 49i ); T1 with arched sides ( Fig. 49f ); face more transverse ( Fig. 49c ) ................................................................................... D. parallodorsum Liu & Chen , sp. nov. - Areolation on propodeum narrow ( Fig. 12g ); T1 parallel-sided ( Fig. 12i ); face less transverse ( Fig. 12h ) ................. ...................................................................... D. breviattenuata Liu & Chen , sp. nov. 45. Temple dull without punctures ( Fig. 38g ); pterostigma small, 3.0× as long as its widest part ( Fig. 38c ); posterior tangent to anterior ocellus hardly touching posterior pair of ocelli ( Fig. 38g ) .................... D. longialba Liu & Chen , sp. nov. - Temple shiny with shallow punctures; pterostigma large, less than 3.0× as long as its widest part; posterior tangent to anterior ocellus touching posterior pair of ocelli ................................................................... 46 46. Scutellar sulcus strongly and evenly curved ( Fig. 22h ); areolation on propodeum open at anterior end ( Fig. 22e ); spines on outer side of hind tibia acuminated ............................................... .. D. flexisulcus Liu & Chen , sp. nov. - Scutellar sulcus slightly curved downward medially and upward laterally ( Fig. 24h ); areolation on propodeum closed at anterior end ( Fig. 24c ); spines on outer side of hind tibia stout ............................ D. fluctisulcus Liu & Chen , sp. nov. 47. Hind femur infuscate; apical attenuation of ovipositor almost as long as the thickened, basal part and as long as hind basitarsus .................................................................................... D. aso ( Nixon, 1967 ) - Hind femur nigrescent to black; apical attenuation of ovipositor distinctly shorter than hind basitarsus .................. 48 48. T1 distinctly broadened towards apex ( Fig. 17e ); T2 as long as T3 medio-longitudinally ( Fig. 17e ); apical attenuation of ovipositor almost 1.5× longer than the thickened, basal part ( Fig. 17h ) .................. D. conpuncta Liu & Chen , sp. nov. - T1 parallel-sided or weakly constricted posteriorly; T2 usually shorter than T3 medio-longitudinally; apical attenuation of ovipositor at most as long as the thickened, basal part ........................................................ 49 49. Vein r of fore wing evenly rounded with 2-SR ( Figs 30f , 70h ); apical two-thirds of hind tibia, red testaceous; T2 smoother than apical two thirds of T1 ( Figs 30e , 71h).......................................... D. hyposidrae ( Wilkinson, 1928 ) - Vein r of fore wing angled with 2-SR ( Fig. 65b ); apical one fourth of hind tibia, red testaceous; T2 strongly rugose as T1 ( Fig. 65f ) ...................................................................... .. D. wangi Liu & Chen , sp. nov. 50. Ovipositor sheath longer than 1.3× length of hind tibia ....................................................... 51 - Ovipositor sheath at most 1.3× length of hind tibia .......................................................... 57 51. T2 strongly rugose to rugulose .......................................................................... 52 - T2 smooth to almost smooth ............................................................................ 54 52. Areola oval-shaped; T3 2.0× longer than T2 medio-longitudinally .......................... D. locastrae (You & Tong) - Areola pentagonal-shaped; T3 about 1.5× longer thanT2 medio-longitudinally..................................... 53 53. Pterostigma with a whitish basal spot ( Fig. 37c ); lateral carinae of areolation very narrow ( Fig. 37d ); ovipositor sheath 1.4× length of hind tibia ( Fig. 37e ) ................................................... D. lobesia Liu & Chen , sp. nov. - Pterostigma light brown with darker border ( Fig. 39b ); lateral carinae of areolation wide ( Fig. 39c ); ovipositor sheath 1.8× length of hind tibia ( Fig. 39e ) ............................................. .. D. longimagna Liu & Chen , sp. nov. 54. Pterostigma colourless with dark border ( Fig. 47b ); sulcus between T2 and T3 indistinct laterally ( Fig. 47h ) .............. ......................................................................... D. opacifinis Liu & Chen , sp. nov. - Pterostigma entirely yellowish brown to dark reddish brown; sulcus between T2 and T3 distinct entirely ................ 55 55. T1 largely polished ( Fig. 6h ); parts along apical margin of disc of mesonotum impunctate ( Fig. 6d ); vannal lobe beyond its widest part of hind wing straight ( Fig. 6g ) ...................................... D. apicurvus Liu & Chen , sp. nov. - T1 largely rugose; disc of mesonotum punctate; vannal lobe beyond its widest part of hind wing more or less convex ..... 56 56. Pterostigma yellowish brown, adiaphanous; apical antennomeres closely jointed; punctures on disc of mesonotum small .... ........................................................................... D. longituba Song & Chen, 2004 - Pterostigma reddish brown, hyaline ( Fig. 55b ); apical antennomeres loosely jointed; punctures on disc of mesonotum large ( Fig. 55d ) ................................................................ D. scabipuncta Chen & Song, 2004 57. Pterostigma nearly colourless, with darker border ........................................................... 58 - Pterostigma dark, at most with a whitish basal spot .......................................................... 62 58. First discal cell of fore wing distinctly wider than high ....................................................... 59 - First discal cell of fore wing at most weakly wider than high ................................................... 61 59. Vein r and 2-SR of fore wing curved at meeting ( Fig. 10b ) ............................... D. baoris ( Wilkinson, 1930 ) - Vein r and 2-SR of fore wing distinctly angled at meeting ..................................................... 60 60. T2 transverse, 4.0× wider than long in middle ( Fig. 23h ); penultimate antennomere cubic; disc of mesonotum with large, dense punctures, spaces between punctures weakly rugulose on posterior imaginary notaulic courses ( Fig. 23d ) ....................................................................................... D. flexitergita Liu & Chen , sp. nov. - T2 less transverse, at most 3.3× wider than long in middle ( Fig. 29i ); penultimate antennomere 1.7× longer than wide; disc of mesonotum with sparse, discrete punctures, largely absent along posterior margin and medio-posteriorly ( Fig. 29f ) ................................................................................ D. hexagona Liu & Chen , sp. nov. 61. T1 indistinctly constricted posteriorly ( Fig. 41h ); T1 with a median trough on apical third ( Fig. 41h ); areolation on propodeum open at anterior end ( Fig. 41e )................................................ D. medicava Liu & Chen , sp. nov. - T1 weakly broadened towards apex ( Fig. 19g ); T1 without a median trough ( Fig. 19g ); areolation on propodeum closed at anterior end ( Fig. 19f ) ...................................................... D. cucurbita Liu & Chen , sp. nov. 62. Pterostigma with a whitish basal spot ..................................................................... 63 - Pterostigma without whitish basal spot .................................................................... 67 63. T2 nearly smooth, at most weakly wrinkled ................................................................ 64 - T2 strongly rugose as T1 ............................................................................... 65 64. Pterostigma with darker border, fully brown ( Fig. 62g ); ovipositor sheath noticeably longer than hind tibia ( Fig. 62d ); scutellum smooth or sparsely punctate, brilliantly lustrous ( Fig. 62h ) .............................. ... D. ultima (Kotenko, 1986) - Pterostigma without darker border ( Figs 42g , 70j ); ovipositor sheath slightly longer than hind tibia; scutellum weakly shiny and distinctly punctate at least towards sides ( Fig. 42d ) ........................................ D. metesae ( Nixon, 1967 ) 65. T1 with median fovea on apical half; head behind eyes strongly contracted.... D. molestae , comb. nov. ( Muesebeck, 1933 ) - T1 without median fovea on apical half; head behind eyes a little contracted ...................................... 66 66. Lateral carinae of areolation strongly bifurcated into small areolae medially ( Fig. 18c ); scutellar sulcus with sparse carinae ( Fig. 18h ); inner spur of hind tibia less than half (2/5) length of hind basitarsus ................. D. crassa Liu & Chen , sp. nov. - Lateral carinae of areolation not bifurcated ( Fig. 15f ); scutellar sulcus with dense carinae ( Fig. 15b ); inner spur of hind tibia more than half (3/5) length of hind basitarsus .................................. D. carborugosa Liu & Chen , sp. nov. 67. Vein r of fore wing shorter than 2-SR; T1 polished .............................. .. D. gracilituba Song & Chen, 2004 - Vein r of fore wing longer, at least as long as 2-SR; T1 more or less rugose ....................................... 68 68. T2 rugose to rugulose ................................................................................. 69 - T2 smooth to almost smooth ............................................................................ 75 69. Punctures on disc of mesonotum sparse, interspaces much larger than diameter of punctures ( Fig. 58f ); ovipositor sheath nearly 1.3× longer than hind tibia, somewhat wider medially................................ D. spanis Chen & Song, 2004 - Punctures on disc of mesonotum much denser, interspaces about as long as or smaller than diameter of punctures (e.g. Fig. 53e ) ................................................................................................... 70 70. Ovipositor with a more or less distinct apical attenuation ..................................................... 71 - Ovipositor without apical attenuation ..................................................................... 73 71. Apical segment of fore tarsus with distinct spine; ovipositor thick, with a distinct apical attenuation .................... .............................................................................. D. lacteicolor ( Viereck, 1911 ) - Apical segment of fore tarsus without distinct spine; ovipositor thinner, with a weakly differentiated or very short apical attenuation ............................................................................................... 72 72. T2 strongly, abruptly curved into T3 ( Fig. 53g ); lateral carinae of areolation strongly bifurcated medially ( Fig. 53f ); antenna yellowish brown .......................................................... D. punctipila Liu & Chen , sp. nov. - T2 weakly, evenly curved in to T3 ( Fig. 5g ); lateral carinae of areolation not bifurcated medially ( Fig. 5f ); antenna dark brown ( Fig. 5h ).............................................................. .. D. anterocava Liu & Chen , sp. nov. 73. Areola U-shaped at bottom; temple shiny with superficial punctures; posterior tangent to anterior ocellus at most touching posterior pair of ocelli ................................................................................. 74 - Areola V-shaped at bottom ( Fig. 64h ); temple relatively dull, weakly rough with large, indistinct punctures ( Fig. 64d ); posterior tangent to anterior ocellus indistinctly transecting posterior pair of ocelli ................ D. victoria Liu & Chen , sp. nov. 74. Apical margin of T2 nearly straight; T1 without median fovea on apical half; ovipositor and ovipositor sheath about equal in length .............................................................. .. D. angularis Song, Chen & Yang, 2006 - Apical margin of T2 distinctly curved into T3 ( Fig. 20f ); T1 weakly concave and polished medio-apically ( Fig. 20f ); ovipositor at least 2.0× longer than ovipositor sheath ( Fig. 20a )........................... .. D. excellentis Liu & Chen , sp. nov. 75. Wing membrane fumous ( Fig. 2b ); ovipositor thick with apical attenuation ( Fig. 2f ).......... .. D. agilis ( Ashmead, 1905 ) - Wing membrane hyaline ( Fig. 32b ); ovipositor without apical attenuation ..... D. kurosawai ( Watanabe, 1940 ) , comb. nov.