ICHNEUMON-FLIES — GELINAE : MESOSTENINI 59 



Island near Put-in-Bay, Columbus, Delaware Co., Hocldng Co., 

 Shawnee Forest, and Sugar Grove); Ontario (Point Pelee); Penns}^- 

 vania (Camphill, Crisp in Westmoreland Co., Gladwyne, Harrisburg, 

 Highspire, Inglenook in Dauphin Co., Jeannette, New Cumberland, 

 North East, Philadelphia, Pittsburgh, Slippery Rock Creek in Law- 

 rence Co., Spring Brook, Swarthmore, and near Webster Mills); 

 Rhode Island (Ashaway, Charlestown, Kingston, and Westerly); 

 Vermont (Norwich); Virginia (Arlington, Chain Bridge, Charlottes- 

 ville, Falls Church, Glencarlyn, Great Falls, Mathias Point, Passage 

 Creek near New Market Gap, Petersburg, Rosslyn, and Skyline 

 Drive); West Virginia (Bolivar, Cheat Mt. in Randolph Co., and 

 Lost River State Park in Hardy Co.); and Wisconsin (Madison and 

 Sawj^er Co.). 



Dates of collection are rather evenly distributed from mid-spring 

 to mid-fall. Unusually early and late seasonal records are: April 7 

 and 14 at Bowie, Md.; April 19 at Falls Church, Va.; April 17 and 22 

 at Cabin John, Md.; April 28 in Gladwin Co., Mich.; October 6 in 

 Midland Co., Mich.; October 21 and November 3 at Great Falls, Va.; 

 and November 2 at Charlottesville, Va. 



Reared specimens comprise a short series from Polychrosis viteana, 

 reared at North East, Pa., by R. A. Cushman in 1917, and a male 

 from Diprion frutetorum, reared at Litchfield, Conn., Aug. 20, 1941. 



This subspecies occurs in the Alleghanian and Carolinian faunas. 

 It is often very common. 



6. Agrothereutes lophyri (Norton) 



FiGUEE 327,f 



Front wing 4.2 to 6.2 mm. long; clypeus moderate!}^ large, weakly 

 convex; face moderately vfide, weakly convex, mat, with moderate- 

 sized punctures that are separated by about 0.7 their diameter, the 

 median 0.25 of face only weakly raised; mesopleurum subpolished, 

 with moderately coarse, strong, crowded punctures, the punctures 

 below the middle more crowded and obscured by wiinkling, just be- 

 low the subtegular ridge also some irregular wrinkling that has a vertical 

 tendency; mesoscutum subpolished, with medium-sized, rather sharp 

 punctures that are separated by about 0.8 their diameter; intercubiti 

 faintly convergent anteriorly, the areolet subquadrate; second tergite 

 mat, with distinct, medium-sized punctures which are sparse on the 

 basal 0.1 and apical 0.4 of the tergite, on the rest they are more closely 

 spaced and separated by 1.5 to 2.5 their diameter; ovipositor tip as in 

 figure 327,f. 



This species is an important parasite of various Diprionidae. 



