414 U. S. NATIONAL MUSEUM BULLETIN 216 parts 



4. Coxae black; dorsal valve of ovipositor compressed between nodus and apex. 



1. bicolor, new species 

 Coxae fulvous; dorsal valve of ovipositor depressed between nodus and apex. 



5. victoriensis (Harrington) 



5. Hind tibia uniformly fulvous except that its basal 0.1 ± is fuscous and some- 



times its extreme apex is weakly infuscate 6 



Hind tibia fuscous, with a subbasal whitish band 7 



6. Apical 0.08 ± of hind femur fuscous; eye usually not completely surrounded 



with white, the white interrupted on upper part of temple; apex of upper 



valve of ovipositor not swollen (fig. 329,1). ... 9. rufi tibialis Cushman 



Apex of hind femur not fuscous; eye usually completely surrounded with white; 



apex of upper valve of ovipositor with an abrupt swelling (fig. 329,m). 



10. glomerata, new species 



7. Metapleurum with a white spot; flattened subapical area on dorsal valve of 



ovipositor usually with a fine, indistinct median carina. 



8. multimaculata Cushman 



Metapleurum entirely black; flattened subapical area on dorsal valve of 



ovipositor nearly always completely devoid of a median carina ... 8 



8. Hind coxa fulvous or mostly fulvous; apical 0.4 ± of hind femur blackish . 9 

 Hind coxa black, often with a white mark above; apical 0.2 ± of hind femur 



blackish 10 



9. Upper side of hind coxa without a white spot; apical 0.4 ± of hind femur 



blackish 2. femorata, new species 



Upper side of hind coxa with a white spot; apical 0.1 ± of hind femur blackish. 



3. nubilipennis (Cresson) 

 10. Second and third tergites without white apical bands; hind coxa without a 



white mark above 4. nigrescens, new species 



Second and third tergites with apical white bands; hind coxa nearly always 

 with a white mark above 7. albomaculata (Cresson) 



1. Lis trogna thus (Listrognathus) bicolor, new species 



Figures 329,j; 335,a 



Male: Unknown. 



Female type: Front wing 6.0 mm. long; frontal horn rather short; 

 propodeum with rather narrow long crests, between the crests with 

 only a trace of the apical carina; postpetiole rather narrow, with 

 scattered, rather sparse punctures; punctures on second tergite sep- 

 arated by about 0.8 their diameter; ovipositor tip evenly tapered from 

 above and below, its dorsal valve rather narrow between nodus and 

 apex, rounded above (fig. 329,j). 



Black. Front orbit, spot on clypeus, base of tegula, and second 

 tlu-ough fourth segments of hind tarsus, white; flagellum brownish 

 medially; apex and much of upper part of front and middle femora and 

 front and middle tibiae fulvous brown ; front and middle tarsi medium 

 brown; abdomen and hind femur uniformly ferruginous; hind tibia 

 brown, its extreme base darker; hind basitarsus brown, its apex pale 

 brown; fifth segment of hind tarsus dark brown. 



Type: 9, Oak Creek Canyon, Ariz., May 19, 1947, H. and M. 

 Townes (Washington, USNM 63822). 



