394 



U. S. NATIONAL MUSEUM BULLETIN 216 



PART 3 



1. Lymeon cinctiventris (Cushnaan) 



Figures 333,b,c 



Mesostenus latidnclus Cresson, 1878, Canadian Ent., vol. 10, p. 208; ?. Name 

 preoccupied by Walker, 1874. Type:?, Louisiana (Philadelphia). 



Mesostenus cressonii Dalla Torre, 1901. Catalogus hymenopterorura, vol. 3, 

 p. 539. New name. Name preoccupied by Ashmead, 1900. 



Diapetimorpha cinctiventris Cushman, 1929, Proc. U.S. Nat. Mus., vol. 74, art. 

 16, p. 32. New name. 



Front wing of male 4.3 to 6.7 mm. long, of female 4.2 to 6.4 mm. 

 long; clypeus convex, not prolonged into a conical point; lateral lobe 

 of mesoscutum with rather coarse punctures that are moderately dense 

 all over; discoidella present; thyridium of second tergite subcircular. 



Head, body, and hind coxa marked with black and white as in 

 figures 333,b (cf) and 333, c (9); palpi white; antenna black, that of 

 female with a white band that covers about 7 segments; front and 

 middle coxae and trochanters white; front and middle femora and 

 tibiae fulvous; front tarsus of male whitish, its last segment brown; 

 front and middle tarsi of female stramineous, their fifth segments 

 brown; middle tarsus of male fulvous or hght brown, darker apically, 

 the last segment brown; hind trochanters of male fuscous, their apical 

 and basal margins whitish; hind trochanters of female and hind femur 

 of both sexes fulvous, the hind femur of male narrowly infuscate at 

 apex; hind tibia of male brownish fulvous, its basal 0.15 ± and apical 

 0.3 ± black; bind tibia of female fulvous; hind tarsus of male white, 

 the basal 0.3 ± of its first segment and apical 0.5 ± of its last segment 

 black; hind basitarsus of female fulvous, more or less whitish apically; 

 segments 2-4 of female hind tarsus whitish; segment 5 of female hind 

 tarsus dark brown. 



Figures 216, 217. — Localities: 216 (left), Lymeon cinctiventris; 217 (right), L. orbum. 



