90 



U. S. NATIONAL MUSEUM BULLETIN 216 



first tergite in profile with a long flat anterodorsal face which is about 

 3.0 as long as dorsal face (all other species of the subgenus except 

 rileyi have the anterodorsal face about as long as or shorter than the 

 dorsal face); propodeum in profile almost flat, sharply declivous; 

 ovipositor about 1.8 as long as apical depth of abdomen, its valvifers 

 somewhat elongate. 



Black. Wide margin of face laterally and above, interantennal 

 process, side of frons, stripe on upper margin of pronotum, broad spot 

 over subtegular ridge and a connecting vertical oval area below its 

 front part, apical 0.3 of scutellum, postscutellum, most of meta- 

 pleurum, spot at apex of area dentipara, dorsal side of front and 

 middle tibiae except at apex, apical 0.65 of first tergite, apicolateral 

 mark on second tergite, and apical 0.25, 0.35, 0.38, and 0.4 (a little 

 broadened sublaterally) of third through fifth tergites, respectively, 

 yellow; basal 0.4 of antenna red-brown, paler basally; trochanters and 

 front tibia and tarsus fulvous brown; front and middle coxae and 

 femora and hind tibia and tarsus brown ; hind femur blackish brown ; 

 all femora pale brown at apex; wings tinged with light brown, the front 

 wing a little darker anteriorly, its stigma yellowish brown. 



Type: 9, "San Janacio," N. Mex., September 1, Porter and Cock- 

 erell (Washington, USNM 63622). 



11. Metopius (Cultrarius) rileyi Marlatt 



Figures 168,b; 185,c 



Metopius rileyi Marlatt, 1891, Proc. Ent. Soc. Washington, vol. 2, p. 103; 9 • 

 Lectotype (hereby selected): ?, Riley Co., Kans., September, Marlatt 

 (Washington) . 



Front wing 6.5 to 7.5 mm. long; facial shield rather narrow and 

 small, about 1.3 as high as wide, without a median carina, its surface 



Figures 57, 58. — Localities: 57 (left), Metopius (Cultrarius) birkmani; 58 (right), M. (C) 



rileyi. 



