47 
Subfamily EXTEDOXIXyE. 
Genus extedon Dal man. 
axtiop^e Packard; Proceedings Boston Society of Xatural History, xxi (1880), p. 36. 
Nul. loc. 
diastat.e Howard; Annual Report U. 8. Commissioner of Agriculture, 1880, p. 
District of Columbia. 
hekillus Walker /^.unals of Xatural History, 20, p. 23. North America. 
imbrasus Walker; ibid. North America. 
sardus Walker ; ibid. Xorth America. 
Genus Derostexi- Westwood. 
tischeri^e (Howard MSS.); Brunn in Second Report Department of Entomology, 
Cornell University Experiment Station (1883), p. 157. (There mentioned as 
an Astichus.) 
Subfamily TETRASTICHIXJS. 
Genus Gyrolasia Forster. 
flavimedia Howard ; Annual Report U. S. Commissioner of Agriculture, I860, p. 369. 
California. -* 
Genus Tetrastichus Halliday. 
epidics Walker ; Annals of Natural History. 20, p. 28. North America. 
esurus (Riley); Canadian Entomologist, xi (1879), p. 162. Southern United States. 
(Described as a Cirro*pUu8.) 
gala Walker ; Annals of Natural History, 20, p. 28. Xorth America. 
granulates Walker; ibid., 14, p. 17, Hudson's Bay. 
laemon Walker; ibid., 20, p. 28. Xorth America. 
Subfamily TRICHOGRAMMIN\E. 
Genus Trichogramma Westwood. 
? fraterna Fitch ; Second New York Report, p. 217. New York. 
flavus Jshmead; Orange Insects (1880), p. 33, pi. i. Florida. 
MINUTA Biley ; Third Missouri Entomological Report, p. 158. Missouri. 
minutissemum Packard; Proceedings Boston Society of Xatural History, xxi (I860), 
p. 37. Xul. loc. 
T orgyee Fitch; Second New York Report, p. 216. Xew York. 
pretiosa Biley ; Canadian Entomologist, xi (1879), p. 161. Southern United S; 
