18 PROCEEDINGS OF THE NATIONAL MUSEUM vol.78 



53. Third funicle joint plainly longer tban wide 54 



Third funicle joint as wide or wider than long. Thorax light lemon yel- 

 low with the concealed part of the prouotum blackish. Abdomen with 

 distinct cross bauds. (Australia) 45. pulcini Girault. 



54. Abdomen yellow, or yellow with black markings 55 



Abdomen entirely black; thorax orange yellow. Legs lemon yellow with 



the hind coxae fuscous. (Australia) 46. auricaput Girault. 



55. Predominantly yellow without a bioad blackish cross band on abdomen — 56 

 Ochraceus to honey yellow marked with blackish to dark brown as follows : 



collar of pronotum, anterior margin of mesoscutum, occasionally the notal 

 sutures more or less, axillae in some specimens, usually metanotum and 

 propodeum, a broad band across basal half of abdomen, a spot between the 

 cereal plates. First funicle joint about twice as long as wide. (Cali- 

 fornia, Africa) 47. ochraceus Howard. 



56. Bright yellow, only the tip of scape, flagellum, border of pronotum, tips of 



tegulae, border of metanotum (propodeum?), and incomplete bands be- 

 tween the abdominal segments fuscous. (Canada) 48. fletcheri Howard.^ 



57. Fore wings hyaline or subliyaline, or with a faint small cloud beneath the 



stigmal vein 65 



Fore wings with a large and usually distinct infuscated cloud beneath the 

 apical half of the marginal vein 58 



58. Body particolored, at least suffused or spotted with yellowish on the parap- 



sides and tegulae, or basal angles of abdomen with yellow marks 61 



Body entirely black 59 



59. As seen through the derm walls, the ovipositor extends from the middle of 



the abdomen to the apex 60 



As seen through the derm walls, the ovipositor extends from near the base 

 of the abdomen to the apex. Frontovertex, face, and part of the cheeks 

 ferrug-ino-testaceous with fuscous suffusions on the latter. Antennae tes- 

 taceous, (South Africa) 49. nigritus, new species. 



60. Frontovertex, face, and cheeks brownish or blackish. Antennae fuscous. 



A robust species of large size with thick legs. Hind tibiae furnished with 

 a row of coarse, suberect black setae on the dorsal margin. (Dahomey, 



Cotonou) 50. modestus Silvestri, 



(Union of South Africa) 51. modestus var. capensis, new variety 



61. Thorax entirely black, or predominantly black, at most only touched with 



yellow in parts 62 



Head, dorsum of thorax except metanotum and propodeum, basal abdominal 

 segments ferruginous to yellow. Metanotum and propodeum black. Ab- 

 domen mostly black, j^ellow basally. (Africa) 52. nubes Compere. 



62. Abdomen black with a conspicuous yellow spot on either side at base 63 



Abdomen entirely black. Thorax black except the extreme apex of scu- 



tellum and median part of metanotum which are yellow. Hind femora 

 pale yellow in striking contrast. (Africa) 53. saintebeauvei Girault. 



63. Fore and middle legs entirely pale yellow 64 



Fore and middle legs plainly partly blackish. A robust species. Head and 



antennae mostly, if not entirely, yellow. Thorax mostly black, tegulae, 

 nnd median part of metanotum yellow. All coxae mostly, if not entirely, 

 black. All trochanters more or less yellow. Fore and middle femora 

 black with yellow ends. Hind femora entirely black. Fore tibiae mostly, 



"I have not seen this species. It is placed in the key on the basis of the original 

 description. 



