ICHNEUMON-FLIES — GELINAE : MESOSTENINI 439 



la. Mesostenus albinotatus albinotatus Cravenliorst 



Mesostenus albinotatus Gravenhorst, 1829, Ichneumonologia europeae, vol. 2, p. 

 756; cf, ?. Types: d^, ?, Sickershausen, Volhynia, Vienna, and Hanover, 

 all in Europe (?Wroclaw). 



This is the European subspecies, distinguished from the American 

 subspecies as noted in the key. All tergites bej^ond the third are 

 black, in both sexes. 



Specimens: 3d^, 89, from Germany. 



lb. Mesostenus albinotatus proniptus Cresson, new status 



Mesostenus promptus Cresson, 1878, Canadian Ent., vol. 10, p. 209; cf. Lecto- 

 type: d', Canada (Philadelphia). 



Mesostenus americanus Cresson, 1878, Canadian Ent., vol. 10, p. 209: 9 . Lecto- 

 type: 9, Virginia (Philadelphia). 



Exetastes brevipennis Provancher, 1883, Petite faune entomologique du Cana- 

 da .. . hjnnenoptSres, p. 386; cf, 9. Lectotype (hereby designated): 

 cf, Quebec (Quebec). 



This is the American subspecies, distinguished as noted in the key. 

 In the male, tergites 6-8 are black (but the base of tergite 6 sometmies 

 partly ferruginous), and usually tergite 5 is partly or entirely 

 black. In the female, tergites 6-8 vary from entirel^y black to mostly 

 ferruginous, but always tergite 8 and a dorsal area on tergite 7 

 are infuscate. Tergite 5 is often fuscous apically. 



Specimens (46 cf, 369): From Alberta (Edmonton); British Colum- 

 bia (Lizard Creek near Fernie and Robson) ; California (Camhio, 

 Crane Flat in Yosemite National Park, Devils Basin at 8,200 ft. in 

 El Dorado C^o., Gazelle, Giant Forest in Tulare Co., Gold Lake in 

 Sierra Co., Quincy, near Sonora Pass at 8,000 and 8,500 ft., and Tuo- 

 lumne Meadows in Yosemite National Park); Colorado; Connecticut 

 (Colebrook) ; Idaho (Basin in Cassia Co.) ; Maine (Machias) ; Michigan 

 (Ann Ai-bor, Arenac Co., Gladwin Co., Gratiot Co., Keweenaw Co., 

 Midland Co., Naubinway, and Ogemaw Co.); Nevada (Washoe Lake 

 near Carson City); New Brunswick (Waweig); New York (Bemus 

 Point, Greene Co., and liUcUowville) ; North Carolina (Crabtree 

 Meadows in Yancey Co. at 3,600 ft.. Craggy Gardens in Buncombe 

 Co. at 5,300 ft.. Highlands, ?\Iount Pisgah at 4,800 to 5,300 ft., and 

 Wayah Bald in Macon Co. at 5,400 ft.); Ohio (Ross Co.); Ontario 

 (Bells Corners and Strathroy) ; Oregon (Hood River) ; Quebec (Aylmcr, 

 Gracefield, Granby, and Wakefield); South Dakota (12 miles south- 

 west of Rapid City); Vermont (Laurel Lake near Jacksonville and 

 Woodstock); and Virginia (Skyline Drive). 



Collection dates are from early to late summer, most of them in the 

 middle part of summer. The earliest and latest records are: Ma}^ 21 

 m Midland Co., Mich.; June 3 at Granb}^, Que.; June 7 in Mackinac 



