ICHNEUMON-FLIES — GELINAE : MESOSTENINI 455 



Specimens: c?, Washington, D.C., Sept. 31, 1951, G. F. Townes 

 (To\\Ties). 9, Atlanta, Ga., Sept. 23, 1941, P. W. Fattig (Washing- 

 ton). 9, Roberta, Ga., Sept. 13, 1951, P. W. Fattig (Townes). 6", 

 Takoma Park, Md., Oct. 13, 1945, H. and M. Townes (Townes). 2&, 

 Faison, N.C., Sept. 25 and Oct. 3, 1951, H. F. Howden (Ottawa and 

 Townes). &, Wake Co., N.C., Sept. 8, 1951, H. and M. Townes 

 (Townes). &, Wake Co., N.C., Oct. 14, 1950, H. K. Townes 

 (To\vnes). 9, Montgomery Co., Ohio, Oct. 20, 1943, F. D. De Gant 

 (Columbus). 9, Columbia, S.C, June 6, 1951, G. F. Townes (Townes). 

 9, Hunt Co., Tex., Oct. 10, 1937 (Townes). 9, Acayucuan, Veracruz, 

 Mex., Oct. 23, 1957, R. and K. Dreisbach (Dreisbach). 9, Hueyapan, 

 Mex., Oct. 30, 1957, R. and K. Dreisbach (Dreisbach). 



This species occurs in the CaroKnian and Austroriparian faunas, 

 and in Mexico. 



10. Mesostenus angustus Townes 



Figures 337,e,f 



Mesostenus levcopus Ashmead, 1890, Proc. U.S. Nat. Mus., vol. 12, p. 406; cf. 



Name preoccupied by Brulle, 1846. Type: d', Normal, 111. (Washington). 

 Mesostenus angustus Townes, 1944, Mem. Amer. Ent. Soc, vol. 11, p. 284. New 



name. 



Front wing 5.7 to 7.0 mm. long; clypeus wide, rather strongly con- 

 vex, its apical margin wealdy arcuate, almost straight; temple short 

 but strongly convex; dorsal end of prepectal carina near midheight of 

 pronotum; punctures on lower half of mesopleurum moderately coarse 

 and strong, separated by about 0.5 their diameter; apical carina of pro- 

 podeum complete and uniformly strong, bowed forward a little at 

 center; second hind trochanter about 0.5 as long as first hind trochan- 

 ter (both trochanters measured on dorsal edge, where first trochanter 

 is longest and second trochanter shortest, the second hind trochanter 

 of all other Nearctic species except longicaudis less than 0.35 as long 

 as first hind trochanter) ; areolet about 1.5 as wide as high; second ter- 

 gite of female subpolished, with small, rather weak punctures that are 

 separated by about 6 tunes their diameter; ovipositor sheath about 

 0.80 as long as front wing; tip of ovipositor about 6.8 as long from 

 nodus to apex as it is deep at nodus. 



Male: Head and thorax black and white as in figure 337, e; palpi 

 whitish; antenna black, the scape with a small apical whitish spot in 

 front; front and middle legs fulvous, the front coxa except basally, 

 most of front trochanters, usually middle coxa in front, and usually 

 middle trochanters in front, white; fifth segments of front and middle 

 tarsi brown; hind coxa f ulvof erruginous ; hind first trochanter brown, 

 paler apically and below; hind second trochanter and hind femur 

 fulvous brown, darker brown above; hind tibia blackish brown, a little 

 paler subbasally; hind tarsus white, the basal 0.3 ± of its first segment 



