ICHNEUMON-FLIES — GELINAE I MESOSTENINI 257 



This species is widespread in both North and South America. 

 There are a number of subspecies. Two subspecies occur in the 

 United States, one in Mexico, and three undescribed subspecies from 

 Brazil and Argentina are in the Washington and Cambridge museums. 

 The two Nearctic subspecies and the named Mexican subspecies are 

 keyed and described below: 



1. Propodeum and mesopleurum largely ferruginous, the rest fuscous and white; 



second and third tergites with poorly formed apical white bands or none; 



range: eastern United States a. planosae planosae (Fitch) 



Propodeum and mesopleurum not ferruginous, only black and white; second 

 and third tergites with well developed apical white bands 2 



2. Second and following tergites ferruginous with an apical white band; apex of 



hind femur and of hind tibia not infuscate; range: California. 



b. planosae vandykei, new subspecies 

 Second and following tergites black with an apical white band; apex of hind 

 femur and of hind tibia infuscate; range: Mexico. 



c. planosae mesorufus Cushman 



a. Chromocryptus planosae planosae (Fitch) 



Figure 331,d 



Phygadeuon Planosae Fitch, 1856, Trans. New York State Agr. Soc, vol. 1.5, p. 



501. Type: 9 , New York (Washington). 

 Cryptus nehraskensis Ashmead, 1890, Proc. U.S. Nat. Mus., vol. 12, p. 412; ? . 



Type: 9, West Point, Nebr. (Washington). 

 Chromocryptus albopictus Ashmead, 1900, Proc. U.S. Nat. Mus., vol. 23, p. 41; 



[9]. Type: 9 , Urbana, 111. (Washington). 

 Agrothereutes (Itamoplex) cressoni Viereck, 1917, Bull. Connecticut Geol. Nat. 



Hist. Surv., vol. 22, p. 332; ( 9 ]• Type: 9 , Connecticut (Philadelphia). 



Male: Colored like female except that face is entirely white and 

 flagellum entirely black. 



Female: Head and body marked with black, white, and fulvous as 

 in figure 331,d; palpi white; antenna blackish, the scape white in 

 front and flagellum with an incomplete white band that covers about 

 6 segments; front and middle coxae and first trochanters white, the 

 base of the coxae and upper side of the first trochanters fulvous; 

 front and middle legs fulvous beyond the first trochanters; hind coxa, 

 trochanters, femur, and tibia fulvous, the apex of tibia weakly in- 

 fuscate; hind tarsus white, its fifth segment black and the basal 0.6 ± 

 of its first segment fulvous to fuscous. 



Specimens: cf, reared from Epicnaptera sp., Windham, Conn., 

 June 14, 1918 (St. Paul). 9, Connecticut (Washington). 29, 

 Lafayette, Ind., June 14, 1931, C. H. Kennedy (Columbus and 

 Washington), cf, 49, reared from Epicnaptera sp., Boxford, Mass., 

 June 26 and July 5 and 10, 1922 (Washington and Ottawa). 9, 

 reared from Tolype sp., Martha's Vineyard, Mass., August 1925, 



