418 



U. S. NATIONAL MUSEUM BULLETIN 216 



PART 3 



Listrognathvs multicolor Cushman, 1929, Proc. U.S. Nat. Mus., vol. 74, art. 16, p. 

 20; ?. Type: 9, California (Washington). 



Front wing 5.2 to 7.6 mm. long; frontal horn large; propodeum with 

 rather low crests, its apical carina absent or present between the crests 

 in male, absent in female; postpetiole moderately wide, with moder- 

 ately close, evenly distributed punctures; punctures on second tergite 

 separated by about 0.25 their diameter; ovipositor tip as in L. albomac- 

 ulata (fig. 329,k). 



Male: Head and body marked with black, white, and ferruginous 

 as in female (figs. 335, d,e) except that face and clypeus are often 

 entirely white, white area on lower part of temple larger, front of 

 scape white, abdomen often more or less mfuscate, and white markings 

 on abdomen usually less extensive. Flagellum entirely black; coxae 

 varying from fulvous to blackish, the front and middle coxae usually 

 more or less extensively white in front; first trochanters fulvous to 

 broAvn, those of the front and middle legs often white below; front 

 and middle legs beyond first trochanters fulvous, then- tibiae with an 

 obscure whitish basal band and theii' fifth segment dark brown; hind 

 second trochanter and femur fulvous, the femur sometunes with its 

 extreme apex infuscate; hmd tibia fuscous, with a subbasal white 

 band; fu'st and fifth segments of hind tarsus fuscous, whitish at base; 

 hind tarsal segments 2-4 white. 



Female: Head and body black, white, and ferruginous as in figure 

 335, d or 335,e; antenna black, with a median white stripe above that 

 covers two segments; front and middle legs and hind coxa, trochanters, 

 and femur fulvo ferruginous, their fifth segments brownish ferruginous; 

 hind tibia brownish, with a paler band subbasally; hind tarsus dark 

 brown, the second through fourth segments light brown varied with 

 whitish. 



Figures 229-231. — Localities: 229 (left), Lisirognathus nigrescens; 230 (center), 

 L. victor iensis; 231 (right), L. rufa. 



