ART. 2. ICHNEUMON-FLY GENUS METEORUS — MUESEBECK. 27 



A study of the types of trachynotus and arcMpsidis shows positively 

 that they are the same species. In addition to the types the United 

 States National Museum has the following material: Five specimens 

 reared from C. argyrospila by D, D. Penny, at Watsonville, California; 

 two reared from Ancylis comptana by H. B. Scammell, at Whitesburg, 

 New Jersey; one from Ancylis, species, by the same collector, at the 

 same locality; one labeled ''Mo., Par. Wilsonia, 7-15-'87"; one from 

 Ancylis comptana, reared by R. W. Doane, in Utah; and collected 

 specunens from Youngstown, New York; Northeast Harbor, Maine, 

 Jacksonville, Florida; Cheyenne Canyon, Colorado; Ottawa and 

 Victoria, Canada. There are in the Cornell collection specimens from 

 Springlake and Little Falls, New York; and Truro, Nova Scotia; in 

 Doctor Brues's collection, one from Chester, Massachusetts, and one 

 from the White Mountains, New Hampshire; and in Mr. Banks's 

 collection one from Pennsylvania. 



19. METEORUS TAURICORNIS (Provancher). 



Rhopalophorus tauricomis Provancher, Natural. Canad., vol. 12, 1880, p. 168. 

 Eustalocerus tmiricornis Provancher, Provancher, Addit. faun. Canad. Hymen., 

 1888, p. 378. 



Type. — In the Museum of Public Instruction in Quebec. 



Head large, full behind the eyes; ocelli very small; petiole of 

 abdomen longer and more slender than is usual in this genus, and not 

 possessing the dorsal fossae; ventral margins of first tergite touching 

 for hall the length of the segment; female antennae bright yellow, 

 blackish at apex; male antennae brown. This species has the general 

 appearance and many characters of the group of species typified by 

 humilis; but the first tergite differs widely, resembling that of 

 dimidiatus more nearly. 



Distribution.— Q2ii\2i&Q., New York, New Hampshire, Massachusetts, 

 Maryland, Virginia, Pennsylvania, Michigan, Iowa. 



.^os^.— Unknowm . 



The United States National Museum has the following material: 

 A homotype (determined by Gahan), from Oswego, New York; 

 other collected specimens from Cabin Lodge, Maryland (R. M. Fonts) ; 

 Ithaca, New York; Arlington, Virginia; North East, Pennsylvania, 

 (R. A. Cushman); Agricultural College, Michigan; Ames, Iowa; and 

 Ottawa, Canada. In the Cornell University collection there are 

 specimens from Springlake, Saranac Lake, Slaterville, and Ithaca, 

 New York; and Waubamic, Ontario; Doctor Brues's collection has 

 specimens from Woods Hole and Fall River, Massachusetts; and 

 Flatbush, Long Island; and Mr. Banks has specimens from Falls 

 Church and Glencarlyn, Virginia. 

 550G— 24— Proc.N.M. vol.63 5 



