ICHNEUMON-FLIES, PART 2 : EPHIALTINAE 271 



In the material at hand there are four cocoons from which adults 

 have emerged. These are very similar to the cocoons of Z. nigriceps 

 but seem to have a weave that is a little closer and more regular. 



Type: 9, Wilmington, Del., July 31, 1951, D. F. Bray (Washington, 

 USNM 63708). 



Paratypes: d", Steamboat Springs, Colo., Aug. 5, 1948, H., M., 

 G., D., and J. Townes (Townes). d\ Wilmington, Del., July 24, 1951, 

 D. F. Bray (Washington) . 9, Glen Echo, Md., R. M. Fouts (Washing- 

 ton). 9, East Lansing, Mich., June 5, 1937 (East Lansing), cf, 

 Genesee Co., Mich., Sept. 20, 1956, R. R. Dreisbach (Dreisbach). 

 d\ Midland Co., Mich., June 24, 1952, R. R. Dreisbach (Dreisbach). 

 9, Schoolcraft Co., Mich., Aug. 24, 1952, R. R. Dreisbach (Dreisbach). 

 d", reared from Abies balsamea foliage infested with Adelges, "F'ton," 

 N. B., June 26, 1948, N. R. Brown (Ottawa). 9, reared from Abies 

 balsamea foliage infested with Adelges, McNamee, N. B., July 27, 

 1947, N. R. Brown (Ottawa). 2cf, Pinkham Notch, N. H., Aug. 23, 

 1951, H., M., and D. Townes (Townes). 9, Ithaca, N. Y., July 26, 

 1889 (Ithaca). d\ McLean Bogs Reserve, Tompkins Co., N. Y., 

 July 14, 1947 (Ottawa). 9, Poughkeepsie, N. Y., July 19, 1936, H. 

 Townes (Townes). d\ Slaterville, N. Y., July 11, 1936 (Townes). 

 9, Wake Co., N. C, Apr. 23, 1950, H. and M. Townes (Townes). 

 o\ Truro, Nova Scotia, July 26, 1913, R. Matheson (Ithaca). d\ 

 Point aux Pines, Ont., Aug. 1, 1941, H. S. Parish (Townes). 9, near 

 Tigerville, S. C, May 8, 1944, H. and M. Townes (Townes). 9, 

 reared from cocoon on bark of Pinus virginiana, Falls Church, Va., 

 cocoon collected May 25, 1917, adult emerged May 29, 1917, A. B. 

 Champlain (Washington). d\ Dane Co., Wis., Oct. 10, 1951, L. K. 

 Smith (Madison). 



This species occurs in eastern North America, in the Canadian, 

 Transition, and Upper Austral zones. Adults have been collected 

 throughout the growing season. 



7. Zatypota arizonica, new species 



Figure 325,c 



Male type: Front wing 4.7 mm. long; temple quite flat ; mesoscutum 

 strongly mat; petiolar area of propodeum bounded by an evenly curved 

 carina which is strong laterally but weak and almost interrupted 

 dorsally; lateral longitudinal carina of propodeum continued basad of 

 petiolar area for a distance equal to 0.15 the length of propodeum; 

 propodeum without carinae or ridges except as described; hind femur 

 5.0 as long as deep; nervulus distad of basal vein by the width of 

 the basal vein; third tergite mat, its rhombic area more strongly so, 

 its grooves with fine irregular longitudinal wrinkles. Structure 

 otherwise as described for Z. parva. 



