328 U. S. NATIONAL MUSEUM BULLETIN 216 



punctures; first tergite rather short; epipleurum of second tergite 

 narrow, more than 4.0 as long as wide; epipleurum of third tergite 

 wider; epipleura of fourth and following tergites very wide (fig. 329,k; 

 usually about 2.2 as long as wide in male and about 1.6 as long as 

 wide in female) ; upper valve of ovipositor not flattened apically and 

 without transverse ridges. 



This group is Holarctic, Neotropic, and Ethiopian. It includes 

 the five species treated below as Nearctic; the Japanese Pimpla 

 alboannulata Uchida 1928; the Himalayan Pimpla instigator var. 

 intermedia Morley 1913 and Pimpla cameronii Dalla Torre 1901; 

 three unnamed species from China; a species from Africa; Pimpla 

 cyanipennis Brulle 1846 from South America; and an unnamed species 

 from South America. The species named above are all new com- 

 binations in Coccygomimus. C. intermedins (Morley) 1913 is a 

 distinct species, not a variety of instigator (new status). 



6. Coccygomimus sodalis (Ruthe) 



Front wing 3.7 to 8.7 mm. long; hairs on head and thorax longer 

 than usual; temple long, in a medium-sized female its profile about 

 0.85 as long as eye in profile; cheek very long, in a medium-sized 

 female about 1.2 as long as basal width of mandible; metapleurum with 

 strong, fine, oblique striation interspersed with small punctures ; hairs 

 on metapleurum evenly distributed over its entire surface, moderately 

 dense. 



Black. Hairs of head and thorax dark brown; tegula, coxae, and 

 trochanters black, the second trochanter of hind leg often fulvous; 

 legs beyond trochanters fulvoferruginous, the apices of front and 

 middle tarsi brownish, the hind tibia and tarsus often more or less 

 infuscate; wings faintly to rather strongly infuscate, darkest in 

 females. 



This is a Holarctic species with two subspecies as described below. 

 It is restricted to Hudsonian and Arctic or Arctic-Alpine areas. 



1. Apical 0.35 ± of hind tibia infuscate (fig. 327,c); hind tarsus fuscous; range: 

 arctic and subarctic North America, Iceland, and Europe. 



6a. sodalis sodalis (Ruthe) 

 Apex of hind tibia not infuscate or not more than the apical 0.1 infuscate 

 (fig. 327, d); hind tarsus reddish brown; range: Hudsonian and Arctic- 

 Alpine areas of western United States. (In some dwarf specimens the hind 

 tibia and tarsus may be as infuscate as in the subspecies sodalis.) 



6b. sodalis longigenalis (Cushman) 



6a. Coccygomimus sodalis sodalis (Ruthe) 



Figure 327,c 



Pimpla sodalis Ruthe, 1859, Ent. Zeitung, Stettin, vol. 20, p. 371; <?, ? . Lecto- 

 type (hereby designated) : 9 , Iceland, segregated as type in British Museum, 

 Natural History (London). 



