ICHNEUMON-FLIES — GELINAE : MESOSTENINI 225 



paler than the rest; wings subhyahne; apical margin of tergite 2 nar- 

 rowly ferruginous. 



Specimens (38 cf, 199): From Massachusetts (Cohasset, New Salem, 

 and Petersham) ; Michigan (Ann Ai'bor, East Lansing, Emmet Co., 

 and Midland Co.) ; New Jersey (Alpine and Somerville) ; New York 

 (Bemus Point, Catsldll Mts., Copake Falls, Greene Co., Ithaca, 

 Kingwood in Tompkins Co., and Rome) ; Ohio (Bedford and Hocking 

 Co.) ; Ontario (Constance Bay, Havelock, Normandale, Orillia, and 

 Point Pelee) ; Pennsylvania (Chestnut Hill and Harrisburg) ; and 

 Quebec (Montreal) . 



Dates of collection are from late spring to mid-fall. The earliest 

 and latest records are: Maj^ 17 at Somerville, N.J., and at Ringwood, 

 Tompldns Co., N.Y.; May 27 at Bedford, Ohio; May 28 at Norman- 

 dale, Ont.; September 24 at Harrisburg, Pa.; October 6 at Ithaca, 

 N.Y.; and "November" at Ithaca N.Y. 



This subspecies occm-s in the Alleghanian fauna. 



20. Trachysphyrus arcticus (Schi^dte) 



Cryptus arcticus Schi0dte, 1857, In Rink, Gr0nland geographisk og statistisk 

 beskrevet, vol. II, pt. 3, p. 57; d", ?. Types: cf, ?, Greenland (Copenhagen). 



Front wing 6.3 to 9.4 mm. long; hairs of head, thorax, and coxae 

 very long, dark brown, erect but more or less curled ; cheek 1.7± as 

 long as basal width of mandible (about 1.0 as long as basal width of 

 mandible in other species of the Albitarsis group) ; epomia absent 

 (present and usually long and straight in other species of the Albi- 

 tarsis group) ; mesopleurum rather finely rugulose, marginally with 

 some indistinct punctures; second recurrent vein wealdy sinuate. 



Black. Hind orbit of female sometimes with a small brown mark; 

 legs beyond trochanters fulvoferruginous ; wings of male wealdy infus- 

 cate, of female moderately infuscate; abdomen ferruginous, the basal 

 0.7 ± of first segment, male clasper, and apical part of tergite 7 of 

 male fuscous. 



Specimens: 29, Mount Mclvinley National Park, Alaska, F. "W. 

 Morand (Washington). 9, Rogers Pass at 4,500 ft., B.C., Aug. 1, 

 1908, J. C. Bradley (Ithaca). 9, Mono Pass, Inyo Co., Calif., 

 Aug. 13, 1957, D. D. Linsdale (Berkeley). 9, Mono Pass, Inj^o Co., 

 Calif., Aug. 13, 1957, J. Powell (Berkeley), d', 9, near Mono Pass at 

 12,000 ft., Inyo Co., Calif., Aug. 15, 1957, C. D. MacNeil (San Fran- 

 cisco), (f, White Mt. at 14,000 ft.. Mono Co., Calif., July 21, 1953, 

 J. T. Brooks (Berkeley), cf , White Mt. at 14,000 ft., Calif., July 21, 

 1953, J. W. MacSwain (Berkeley). 2cf, 99, Sondrestrom Air Base, 

 Greenland, June 16, 18, 19, 23, and 27, 1952, W. J. Brown (Ottawa). 

 39, Sondrestrom Air Base, Greenland, June 16, 1952, W. J. Brown 

 (Townes). 2cr, 89, Eureka, Ellesmere Island, N.W.T., June 29 



