ICHNEUMON-FLIES — GELINAE I MESOSTENINI 377 



punctures on mesopleurum of moderate size, somewhat crowded; 

 propodeum unusually long, its basal and apical carinae unusually far 

 apart, its apical carina rather evenly curved but the median portion 

 bowed forward, the carina stronger sublaterally and weak or obsolete 

 medially; hind femur about 4.6 as long as deep in male, about 5.1 

 as long as deep in female; areolet rather long, its sides parallel ; nervulus 

 beyond basal vein by about 0.38 its length; nervellus broken near its 

 upper 0.37; petiole short, with dorsolateral and ventrolateral longi- 

 tudinal carinae which are moderately strong in male and weak in 

 female, its lateral face with distinct vertical wrinkling; second tergite 

 subpolished, its hairs unusually dense, the hair sockets separated by 

 about 0.6 the length of the hairs; ovipositor a little more slender and 

 its point a little shorter than usual; shaft of lower valve of ovipositor 

 with faint, irregular, vertical wrinlding (entirely or mostly smooth in 

 all other Nearctic species except T. cyperia). 



Black, Palpi fuscous; tegula black; femora ferruginous; front and 

 middle tibiae fulvo ferruginous; front tarsus fulvoferruginous, brown- 

 ish apically; hind tibia ferruginous, infuscate apically; middle and 

 hind tarsi fuscous, the base of their first segments and the joints 

 brownish ferruginous; wings tinged with fuscous; first abdominal 

 segment ferruginous, its basal 0.5 ± infuscate; tergites 2 and 3 ferrugi- 

 nous; tergite 4 enthely black or black with its base ferruginous. 



This species is distinguished by the median elevation of the short 

 vertical carina on prepectus that is opposite lower corner of pronotum, 

 segments 2-4 of hind tarsus fuscous, and tergite 4 largely or entirely 

 black. For a discussion of its relationships, see under T. cyperia. 



Type: 9, on coarse sedges in a wet meadow, Huron Mts., Marquette 

 Co., Mich., July 20, 1959, H. Townes (Washington, USNM 63815). 

 Paratypes (27 cf, 219): From British Columbia (Lower Post); Cali- 

 fornia (Davis and Sisson); Connecticut (East Hartford); Michigan 

 (Allegan Co., Ann Arbor, Aurelius, Douglas Lake in Cheboygan Co., 

 Grand Junction, Hudsonville, Huron Mts., Lake City, Mecosta Co., 

 Muskegon Co., and Sand Point in Huron Co.); New Jersey (Dividing 

 Creek); Ohio (Lakeside and Put-in-Bay); Ontario (East Sister Island 

 and Strathroy); Oregon (Cornelius and Corvallis); Quebec (Lauren- 

 tides Park); Rhode Island (Westerly); Saskatchewan (Prince Albert 

 National Park); South Dakota (Chamberlain); Washington (Mount 

 Constitution) ; and Wisconsin (Madison) . 



Most collection dates are in July and August. Those outside of 

 this range are: AprU 10 at Davis, Calif.; May 15 at Cornelius, Oreg.; 

 June 3 in Prince Albert National Park, Sask.; June 20 at Lower Post, 

 B.C.; September 5 at Ann Arbor, Mich.; and September 7 at Davis, 

 CaUf. 



689900—62 25 



