ICHNEUMON-FLIES — GELINAE I MESOSTENINI 83 



River, Spicier Bay near Georgian Bay, Sudbury, and Tweed") ; Oregon 

 (Corvallis); Pennsylvania (Philadelphia, Pike Co., Spring Brook, and 

 Tioga Co.); Quebec (Aylmer, Brome, Burbridge, Fort Coulonge, 

 Gracefield, Kazabazua, Knowlton, Lac Mercier, Lacosta, Lake Opa- 

 satika, Laniel, "Larkin," Maniwaki, Montigny, Montreal, Nominin- 

 gue, Norway Bay, Quebec, Queens Park near Ayhner, Sainte-Agathe- 

 des-Monts, Stoneham, and Sweetsburg) ; Rhode Island (Charlestown 

 and Westerly); Saskatchewan (Attons Lake near Cut Knife, Prince 

 Albert National Park, 5 miles east of Swift Current, and Waskesiu 

 Lake); Utah (Logan Canyon in Cache Co.); Vermont (Laurel Lake 

 near Jacksonville, Rutland, and Stowe); Virginia (Falls Church); 

 Washington (Ashford, Easton, Mount Rainier at 2,700 ft., Olympia, 

 and Yakima); West Vu'ginia (Terra Alta); and Wisconsin (Co- 

 lumbus, Madison, and Sawyer Co.). 



Most collection dates are in the summer months. The span of 

 May 25 to September 15 will include nearly all of them. The earliest 

 and latest dates on record are: April 20 and 23 in Wake Co., N.C.; 

 May 10 in Osceola Co., Mich.; May 14 in the Flat River Game Area, 

 Montcahn Co., Mich.; May 15 at Sprmg Brook, Pa.; May 17 and 20 

 at Ithaca, N.Y.; May 20 and 21 at Jaffrey, N.H.; May 21 in Itasca 

 Park, Mmn., and at Houghton Lake, Roscommon Co., Mich.; May 23 

 and 24 in Clare Co., Mich.; September 16 in Montcahn Co., Mich.; 

 September 24 at Aylmer, Que.; October 2 at CoUinsville, Conn.; 

 October 9 at Ithaca, N.Y.; October 29 in Gladwin Co., Mich.; and 

 December 6 at Overland, Mo. 



Host records on pin labels include the followmg reared specunens 

 or reared lots: 8 from Malacosoma disstria, 5 from M. americanum, 

 5 from Malacosoma sp., 1 from Carpocapsa pomonella, and 1 from a 

 tenthredinid. The reared lots indicate that on Malacosoma there are 

 usually 4 to 10 parasites per host cocoon, includmg either one or both 

 sexes. 



This subspecies occurs in the Carolinian and Alleghanian faunas, 

 is transcontinental in southern Canada, and is locally present in 

 northwestern United States. 



6b. Gambrus canadensis exareolatus (Viercck), new status 



Spilocryptus exareolatus Viereck, 1903, Trans. Amer. Ent. Soc, vol. 29, p. 81; cf . 

 Type: d', Beulah, N. Mex. (Philadelphia). 



Clypeus rather wide; temple moderately convex; mesoscutum 

 mostly mat but the central part of its lateral lobes polished or sub- 

 polished. 



Colored as in the subspecies canadensis except that female fla- 

 gellum lacks a white band or has onh^ a short dorsal white stripe that 

 covers 2-4 segments, apex of hind femur is not at all or only faintly 



