ICHNEUMON-FLIES — GELINAE : MESOSTENINI 235 



subtegular ridge, segments 2-4 of bind tarsus, and sometimes apex of 

 segment 1 of hind tarsus, white; front and middle legs beyond trochan- 

 ters blackish brown; hind femur often with a reddish brown tinge; 

 wings fuscous; apex of segment 1 of abdomen often red, the rest of 

 abdomen red except that clasper is more or less infuscate. 



Female: Black. Front and middle tibiae and all tarsi blackish 

 brown; hind femur often with a reddish brown tinge; wings fuscous; 

 apical 0.15 ± of first abdominal segment often red or tinged with red; 

 second and following abdominal segments red. 



Type: 9, near Alpine, Ariz., May 25, 1947, H. and M. Townes 

 (Washington, USNM 63781). 



Paratypes: ScT, 49, near Alpine, Ariz., May 25 and 28, 1947, 

 H. and M. To\\Ties (Townes). cf, North Rim, Grand Canj^on, 

 8,000 ft., Ariz., July 1, 1946, R. M. Bohart (Townes). 



This subspecies occurs in Arizona, in the Canadian zone. 



26b. Trachysphyrus mentigus riifator, new subspecies 



Male: Unknown. 



Female type: Ferruginous. Head near base of mandible, spot 

 on frons above each antennal socket, areas laterad of scutella, and 

 lower front edge of metapleurum, fuscous; palpi brown; flagellum 

 fuscous, brown basally; orbits narrowly tinged with yellow in front 

 and behind; subtegular ridge j^ellow; wings fuscous. 



Type: 9, Blue Lake, Lassen Co., Calif., July 19 to 20, 1947, D. W. 

 Adams (Berkeley). 



26c. Trachysphyrus mentigus rhodomerus, new subspecies 



Male: Black. Broad facial orbit, narrow frontal orbit, very nar- 

 row orbital stripe at top of eye and on temple, often spot in center 

 of face, often median part of clypeus, usually front edge or all of 

 mandible, subtegular ridge, and sometimes under side of front first 

 trochanter, light yellow; front and middle legs beyond trochanters 

 fulvous, often partly infuscate; hind femur ferruginous; liind tibia 

 varying from ferruginous with the apex fuscous to entirely fuscous; 

 hind tarsus fuscous, its median three segments usually white; wings 

 moderately to strongly infuscate; first abdominal segment black, its 

 apical 0.2 =b ferruginous, the rest of abdomen ferruginous except that 

 clasper is infuscate. 



Female : Black. Front and hind orbit usually with a very narrow 

 yellow mark; palpi brown to black; subtegular ridge with a small 

 yellow spot; femora and front and middle tibiae fulvous to ferruginous; 

 tarsi and hind tibia fulvous to fuscous; wings fuscous; apical 0.3 ± 

 of first abdominal segment ferruginous or stained with ferruginous; 

 second and following abdominal segments ferruginous. 



