ICHNEUMON-FLIES — GELINAE : MESOSTENINI 



41 



3. Apsilops sericata (Viereck) 



Neostricklandia sericata Viereck, 1925, Canadian Ent., vol. 57, p. 75; 9 . Type: 



9 , Alberta (Ottawa). 

 Trichestema helcostizoides Cushman, 1927, Proc. U.S. Nat. Mus., vol. 72, art. 



13, p. 9; 9 . Type: 9 , Bruce, S. Dak. (Washington). 

 Biology: Frohne, 1939, Trans. Amer. Micros. Soc, vol. 58, p. 234, 325, 347. 



Front wing of male 6.2 to 8.7 mm. long, of female 6.9 to 8.5 mm. 

 long; body stout, depressed, the fii'st abdominal segment stout; hairs 

 on thorax very dense; posterior mesosternal carina widely interrupted 

 in front of each middle coxa; propodeum almost flat above; areola 



Figure 10. — Localities for 

 Apsilops sericata. 



imperfectly defined, especially in female; median longitudinal carinas 

 of propodeum indistinct or absent basad of the areola; propodeal 

 spiracle elongate, a narrow slit; intercubiti strongly convergent 

 forward; ovipositor of moderate stoutness, about 3.3 as long from 

 nodus to apex as it is deep at nodus. 



Black. Palpi brown; scutellum of male rarely, of female nearly 

 always with a white spot; coxae fulvous, or in males the upper side 

 of hind coxa often fuscous; trochanters fuscous; femora fulvous, in 

 the male the apex of front femur weakly infuscate, of middle femur 

 rather narrowly fuscous, of hind femur broadly fuscous; front tibia 

 fulvous; middle tibia brownish fulvous in male, fulvous in female, 

 darkened at the base and apex; hind tibia brown in male, brownish 

 fulvous in female, infuscate at base and apex; tarsi dark brown to 

 black; wings faintly infuscate; abdomen of male black or with a 

 brownish tinge; first abdominal segment of female black, second 

 tergite of female ferruginous, usually with some infuscation; third 

 tergite of female ferruginous basally, infuscate apically; fourth and 

 following tergites of female blackish, often with a ferruginous tinge. 



Specimens: 2cf, 79, Wabamun, Alta., July 31, 1929 and Aug. 2 

 and 14, 1929, E. H. Stricldand (Ottawa), d^, 9, Wabamun, Alta., 



689900—62 4 



