ICHNEUMON-FLIES — GELINAE : MESOSTENINI 453 



ton, Little Kapids, Niagara Glen, Ottawa, Pelee Island, Point Pelee, 

 Ridgeway, Rockcliffe, and Waubamick); Pennsylvania (Allegheny 

 Co., Camp Hill, Glenside, Guyasuta Run near Pittsburgh, Heckton 

 Mills, Inglenook, Ingram, Lancaster Co., Lehigh Gap, New Cumber- 

 land, Philadelphia, Pittsburgh, Pottstown, Presque Isle in Erie Co., 

 Rockville, Sample Station, Allegheny Co., Spring Brook, Swarth- 

 niore, Wilawana, and York Co. near Highspire); Quebec (Ayers Cliff, 

 Ayhner, Chambly Co., Hull, Montreal, Norway Bay, and Wakefield) ; 

 Rhode Island (Buttonwoods and Westerly) ; South Carohna (Columbia, 

 Greenville, McClellanville, and Tigerville); Tennessee (Knoxville); 

 Texas (Dallas, Gustine, Kerrville, and Wharton Co.); Vermont 

 (Laurel Lake near Jacksonville, Stowe, and Woodstock) ; Virginia 

 (Chain Bridge, Difficult Run, Dyke, Falls Church, Galax, GlencarljTi, 

 Great Falls, Herndon, Pimmit Run, and Stony Man); Washington 

 (Ashford); West Vu-ginia (Bolivar, Cheat Mt. at 2,000 ft., and 

 Philippi); and Wisconsin (Juneau Co., and Sauk Co.). 



Dates of collections are from late spring to mid-fall. Unusually 

 early and late seasonal records are: April 17 at Elizabethtown, N.C.; 

 April 21 at Mount Diablo, Calif. ; April 25 at Knoxville, Tenn. ; May 2 

 at Boulder, Colo., at Marble Falls, Ark., and at Takoma Park, Md.; 

 May 8 at Ithaca, N.Y. ; May 10 at Swarthmore, Pa. ; May 18 at Ithaca, 

 N.Y., at Amherst, Mass., and at Forest Hills, Mass.; October 15 in 

 Oceana Co., Mich. ; October 18, 23, and 31 and November 1 at Takoma 

 Park, Md.; October 20 in Montgomery Co., Ohio; October 23 at 

 Farmington, N. Mex.; October 28 at Difficult Run, Va.; November 3 

 at Lake Charles, La.; and November 8 at Southern Pines, N.C. 



Reared specunens are as foUows: cf, from Acrobasis betulella, 

 Biscotasmg, Ont., July 21, 1948. 9, from from Acrobasis betulella, 

 Wilham.stown, Mass., Aug. 8, 1940. c^, from Acrobasis betulella, 

 locality illegible, August 10, 1950. 9, from Acrobasis betulella. Little 

 Rapids, Ont., July 16, 1948. cT from Acrobasis " caryaevorella," 

 Gustine, Tex., May 25, 1939, W. C. Pierce. 2d', from Acrobasis sp. 

 on Carya, East River, Conn., June 1, 1921, C. R. Ely. cT, from Acro- 

 basis sp., Natalie Lake, Man., July 22, 1952. Sd, 29, from Phlyc- 

 taenia extricalis, Herndon, Va., Aug. 21 and 28, 1912, J. F. Strauss. 

 9, from Pyrausta theseusalis, New Lisbon, N.J., July 18, 1930, E. P. 

 Darlington, d, from Tetralopha robustella, Sauk Co., Wis., June 19, 

 1957, Wallesz. cf , from Mineola sp., Bentonville, Ai'k., June 21, D. 

 Isely. 



The characteristic habitat is mesophytic or dry deciduous woods, in 

 the imderstory or among shi'ubs. 



This species occurs throughout the United States and southern 

 Canada. It is most common in the eastern half of the continent. 



