Hemiteles.] BRITISH ICHNEUMONS. IIQ 



(40). 41. Haj^clkim normal ; abdomen 



sculptured. 

 (71). 42. Abdomen black or piceous, at 



most with incisures pale. 

 (52). 43. Central incisures distinctly pale. 



(45). 44. Antennae tricoloured 21. CONT.\MlN.vrus, 6^/-(it/. 



(44). 45. Antennae not tricoloured. 



(49). 46. Central segments neither callose 



nor nitidulous. 

 (48). 47. Post-petiole aciculate ; i)ctiolar 



area entire 22. INCISUS, Ihidg. 



(47). 48. Post-petiole not aciculate ; 



petiolar area discreted 23. BRUNNEUS, AA?r/. 



(46). 49. Central segments apically sub- 



callose and nitidulous. 

 (51). 50. Costulae obsolete ; three basal 



incisures pale 24. limbatu.s, 6^/'(JT/. 



(50). 51. Costulae strong; central incisures 



alone pale 25. FLORlCOL.vroR, Grav. 



(43). 52. Central incisures rarely obso- 



letely pale. 

 (54). 53. Segments five to seven mainly 

 white, the second rugosely 



punctate 26. albom.vrginatus, Bridg. 



(53)- 54- ^o segments white, nor the 



second rugosely punctate. 

 (56). 55. Second segment very coarsely 



striate 27. NIGER, Tasch. 



(55)- 56- Second segment not striate. 

 (66). 57. Lateral metathoracic costae 



wanting. 

 (59). 58. Metathorax punctulate with 



pleurae scabrous 28. melanog.vster. Thorns. 



(58). 59. Metathorax sub-rugose, with 



pleurae not scabrous. 

 (61). 60. Stout ; metanotum transversely 



rugose 29. tristator, Grav. 



(60). 61. Normal ; metanotum not trans- 

 versely rugose. 

 (63). 62. Epipleurae not inflexed ; fla- 



gellum very slender 30. .SORDIPE.S, Grav. 



(62). 63. Epipleurae acutely inflexed ; tla- 



gellum normal. 

 (65). 64. Second segment finely punctate ; 



post-petiole longer 31. CYNIPINUS, Thorns. 



(64). 65. Second segment glabrous ; post- 

 petiole sub-cjuadrate 32. .siMlLl.'^, GmcL 



(57). 66. Lateral metathoracic costae 



entire. 

 (70). 67. Central segments con fluently 



punctate and apically callose. 

 (69). 68. Basal nervure vertical ; scrobes 



auriculate y:,. AUKKLU.ATUs, Thoiiis. 



(68). 69. Basal nervure oblique ; scrobes 



normal 34. MELANARIUS, Grav. 



(67). 70. Central segments sub-glabrous... 35. OBSCURU.s, AV/V/i/-. 

 (42). 71. Abdomen more or less broadly 



rufesccnt. 

 {72i)- 7-- Segments transversely im- 

 pressed ; ? hind tibiae inflated 36. laevigatu.s, Ratz. 



