110 



U. S. NATIONAL MUSEUM BULLETIN 216 



PART 3 



Figures 43-45. 



-Localities: 43 (left), Aritranis gracilis; 44 (center), A. nubecula; 45 (right), 



A. harheri. 



around scutellum and postscutellum, black; collar, often part of 

 propleurum, often stripe on lower edge of pronotum, often hind corner 

 of pronotum, tegula, subtegular ridge, scutellum, and postscutellum, 

 white; most or all of front coxa, front and middle trochanters, and 

 usually most of middle coxa white, the rest of these parts fulvous; 

 front and middle legs beyond trochanters fulvous, the knees whit- 

 ish, front tarsus pale fulvous but with its fifth segment brown, and 

 middle tarsus mostly brownish; hind coxa, trochanter, and femur 

 ferruginous; hind tibia brownish ferruginous, a little paler at base and 

 beneath; hind tarsus white, the basal 0.4 i of first segment and apical 

 0.3 ± of last segment dark brown; wings hyaline but with a faint sug- 

 gestion of the color pattern of female ; abdomen ferruginous, the sixth 

 and following segments black, or sometimes the sixth segment mostly 

 ferruginous. 



Female: Dark ferruginous. Area around ocelli, part of occiput, 

 and spot on clypcal fovea sometimes fuscous; palpi dark brown; an- 

 tenna black, the scape ferruginous except above and the flagellum 

 with an incomplete white band that covers about 3 segments; collar 

 and scutellum white; tegula ferruginous; area around scutellum some- 

 times fuscous; front and middle tibiae sometimes darkened above, 

 the middle tarsus darkened apically; hind tibia fuscoferruginous, 

 paler basally; fu-st and last segments of hind tarsus dark brown, the 

 apex of first segment sometimes whitish; segments 2-4 of hind tarsus 

 white; front wing with a fuscous cloud just basad of areolet and its 

 apex infuscate; fourth tergite entirely ferruginous or partly infuscate; 

 fifth tergite ferruginous or black; sixth and following segments black, 

 the seventh tergite with a median apical transverse white mark. 



Type: 9, Navasota, Tex., Apr. 7, 1959, W. Mason (Ottawa). 



