﻿NEARCTIC SPECIES OF GASTERUPTIIDAE — TOWNES 119 



Paratypes: 2 9, reared from Xiphydria maculata in Acer saccharinum, 

 Lyme, Conn., 1918, A. B. Champlain (Washington). 9 (reared), 

 Putnam, Conn., May 7, 1913, H. B. Kirk (Washington), cf , reared 

 from host in Malus immila, WalHngford, Conn., April 2, 1913, D. J. 

 Caft'rcy (Washington), cf , 9, reared from host in dead Acer, WalUng- 

 ford, Conn., May 1, 1913, D. J. CafFrey (Townes). cf, Petersham, 

 Mass. (Cambridge). 2 9, Petersham, Mass., July 17 (Cambridge 

 and Townes). 9, North Bass Island at Put in Bay, Ohio, June 20 

 to 30, C. H. Kennedy (Columbus). 9, Rockville, Pa., April 5, 1912, 

 W. S. Fisher (Washington). 9, reared from host in Acer saccharum, 

 Morgantown, W. Va., May 24, 1897 (Ithaca). 



This species is in the Transition Zone of the Northeastern United 

 States. It parasitizes Xiphydria in Acer, and there is one rearing 

 record from Malus. 



6. AULACUS BURQUEI (Provancher) 



Figure 16, n 



Pammegischia Burquei Provancher, Nat. Can., vol. 13, p. 303, 1882; Faune 

 p. 752. Type: 9 , St. Il3^acinthe, Quebec (Quebec). 



Body entirely light reddish buff; hind femur about 6.0 as long as wide. 



Female: Forewing about 7.5 mm. long; sculpture of frons approxi- 

 mately as in figure 16, n, rather restricted to a forward area and 

 usually with an anterior median fine longitudinal wrinkle or group 

 of wrinkles; tlurd flagellar segment about 6.0 as long as wide; pronotum 

 polished, with some punctures and rather weak rugae; dorsal surface 

 of propodeum moderately declivous anteriorly; process on hind coxa 

 about 1.2 as long as wide; hind femur about 6.0 as long as wide; 

 abdomen about 2.8 as long as wide; ovipositor sheath about 0.74 as 

 long as the forewing. 



Light reddish buff, the pedicel and flagellum brown. 



Male : Similar to the female but a little more slender, the sculpture 

 of the frons a little weaker and more restricted; the third flagellar 

 segment about 0.72 as long as wide; the coloration a little paler, and 

 the flagellum brown only basally. 



Specimens, cf, Monmouth, Maine, June 20, 1927, C. A. Frost 

 (Cambridge). 18 cf , 6 9, reared from Xiphydria in Acer, Piummers 

 Island, Md., 1913, T. E. Snyder, H. S. Barber, and S. A. Rohwer 

 (Washmgton). 9, Midland County, Mich., June 24, 1945, R. R. 

 Dreisbacli (Dreisbach). 2 9, collected while ovipositing in Acer, 

 Pinkham Notch, N. H., June 25, 1938, H. and M. Townes (Townes). 

 9, Ithaca, N. Y., June 17, 1920 (Ithaca), c?, McLean Bogs, 

 Tompkins County, N. Y., June 30, 1921 (Ithaca). 9, Nassau, N. Y., 

 July 4, 1905 (Ithaca), cf, Baddeck, Nova Scotia, June 26, 1936, 

 J. McDunnough (Ottawa), cf, 9, Burke Falls, Ontario, July 12 and 



