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U. S. NATIONAL MUSEUM BULLETIN 216 



PART 3 



Figure 176. — Localities for 

 Idiolispaalbisoleata. 



with some more or less distinct horizontal wrinkles; legs unusually 

 short and stout ; nervulus opposite the basal vein or approximately so ; 

 apical carina of propodeum sublaterally forming very weak crests, 

 almost horizontal at the crests, just mesad of them swinging strongly 

 forward, in the female usually obsolete or absent near the midline; 

 first tergite about 2.3 as long as wide in male, about 1.8 as long as wide 

 in female; punctures on postpetiole of male of moderate size, separated 

 by about 2 times their diameter; tergite 3 of male with weak, small or 

 moderately small punctures that are separated by about 1.2 their di- 

 ameter ; tergite 3 of female with fine to coarse punctures that are dense 

 when coarse, sparser when small, but in all cases separated by 0.5 to 

 1.0 the length of the hairs. 



Male: Black. Front coxa black or more or less brown or fulvous 

 brown; front and middle second trochanters blackish to fulvous 

 with fuscous tinges; front and middle femora varying from fuscous 

 with some fulvous at apex to fulvous with a little infuscation basally; 

 front and middle tibiae fulvous, their tarsi light brownish with the 

 fifth segment fuscous, sometimes the tarsi whitish except at base and 

 apex; hind second trochanter and femur entirely blackish to fulvous 

 with some infuscation, particularly on apex of femur; hind tibia and 

 tarsus fuscous or brown, the tarsal segments 2-4 and sometimes apex of 

 segment 1, white; hind tarsal segment 2 sometimes partly fuscous; 

 wings faintly infuscate; abdomen ferruginous, its first segment 

 infuscate basally, its tergites 5-8 (and rarely part of 4) often more or 

 less infuscate; tergite 7 usually and tergite 6 often with a median 

 apical white spot. 



Female: Black. Clypeus and part of mandible often dark 

 ferruginous; face and cheek sometimes stained with ferruginous; 

 antenna brown to black, palest basally, usually with a median in- 

 complete white band that covers about 4 segments; tegula sometimes 



