ICHNEUMON-FLIES, PART 2\ EPHIALTINAE 247 



1. Polysphincla burgessii Cresson 



Figure 324,a 



Polysphincla Burgessii Cresson, 1870, Trans. Amer. Ent. Soc, vol. 3, p. 149; cf • 



Type: d\ Beverly, Mass. (Philadelphia). 

 Polysphincta rafopectus Provancher, 1875, Naturaliste Canadien, vol. 7, p. 140; 



9 . Type: 9 , Quebec Province (Quebec). 

 Polysphincta (Polysphincla) venatrix DeGant, 1933, Proc. U. S. Nat. Mus., vol. 



84, p. 4; 9 • Type: 9 , Parr Island, East Spence Lake, Ont. (Washington). 



Front wing of male 3.7 to 5.5 mm. long, of female 4.7 to 6.8 mm. 

 long; hairs on mesoscutum rather short, dense, and evenly distributed; 

 metapleurum evenly covered with moderately dense hairs; submeta- 

 pleural carina strong and complete; propodeum distinctly mat except 

 basally and apicalry, where it is subpolished; median longitudinal 

 carinae of propodeum blunt but prominent; pleural carina of pro- 

 podeum weak but complete; intercubitus about 0.3 as long as second 

 abscissa of cubitus; first tergite about 1.15 as long as wide in male, 

 about 1.05 as long as wide in female; second through fourth tergites 

 weakly mat with their median swellings and apical 0.25 ± subpolished. 



Figure 105. — Localities for 

 Polysphincta burgessii. 



Male: Black. Clypeus brown, blackish basally; mandible white, 

 its base and apex brown; palpi white; apical 0.6 of scape in front 

 and pedicel in front stramineous; flagellum brown, paler below; tegula, 

 hind corner of pronotum, and mesepimeron white; mesosternum, 

 metapleurum, and scutellum fulvous; lower half of mesepisternum 

 more or less fulvous; upper half of mesepisternum sometimes stained 

 with fulvous; trochanters and front and middle coxae whitish, the 

 middle coxa stained with fulvous basally; hind coxa fulvous; femora 

 fulvous, their apex and front side of front femur whitish, the hind 

 femur with a faint preapical infuscation; front and middle tibiae and 

 tarsi white, the under side of tibiae, apex of basal three tarsal seg- 

 ments, and all of last two tarsal segments, pale fulvous; hind tibia 

 whitish, the apical 0.2 ± brown, the brown extending farthest basad 



