244 PROCEEDINGS OF THE NATIONAL MUSEUM. vol.46. 



Paratypes. — Washington, District of Columbia, August 17, 1912 

 (R. C. Shannon); East Florida (W. H. Ashmead); Franconia, New 

 Hampshire (Mrs. A. T. Slosson) ; He de Montreal, Canada (Beaulieu) ; 

 Dallas, Texas, "on wounded horse," September 27, 1909 (H. Pinkus); 

 Medina, Ohio; Caldwell, New Jersey, July 16, 1887, "on cows" (M. S. 

 Crane); River ton. New Jersey; and specimens without data as to 

 locality bearing numbers 5115 "annoying dogs, D. C. (?) July 6, '91," 

 and 4487, "annojnng cattle." 



4. mPPELATES PERU ANUS Becker. 



Hippelates pcruanus Becker, Ann. Mus. Nat. Hung., vol. 10, 1912, p. 170. 



Female. — Glossy black; frontal triangle glossy yellow, with a brown 

 mark in center and on either side, the centers of which are black; 

 head reddish yellow, occiput black, third antennal joint sometimes 

 brown above; proboscis brown at apex; base, apex, and venter of 

 abdomen yellomsh; legs yellow, the apical tarsal joint sometimes 

 brownish; halteres yellow. Wings clear, veins yellow. Bristles and 

 hairs of body yellow, hind tibial spur black. 



Frons rather narrow, but slightly more than equal to the width of 

 either eye; triangle occupying almost the entire width of frons at 

 vertex and extending about two-thirds to anterior margm; surface 

 hairs weak, pale, those on triangle forming a marginal line; sides of 

 triangle straight or very slightly concave, this latter appearance is 

 heightened by the yellow margins; antennae of moderate size; arista 

 short, barely as long as breadth of frons, pubescent; cheeks as high 

 as breadth of third antennal joint; eyes bare, almost round. Meso- 

 notum with punctures at base of each of the surface hairs, those of 

 the two lateral rows rather deep and forming rather distinct furrows", 

 the hairs between the central and lateral rows irregularly arranged and 

 generally 2-3 in number; scuteilum with surface sparsely, pale haired, 

 in outline not regularly rounded, the bases of the apical pair of cru- 

 ciate, moderately approximated bristles set in short tubercles as are 

 also the two much shorter lateral bristles. Hind tibial spur at half 

 its owm length in front of apex of tibia and in length equal to the 

 tibial diameter. Wings rather narrow, third costal division equal to 

 two-thii'ds the length of second; outer cross vein rather obliquely 

 placed ; last section of fifth vein about one-third longer than penulti- 

 mate section of fourth. 



Length, 1.5-2 mm. 



Described from Peru and also recorded from Paraguay and Argen- 

 tina by Becker. 



I have specimens described above, which I consider are peruanus 

 from the following localities: San Bernardino, Paraguay (K. Frie- 

 brig) ; San Antonio, de la Banos, Cuba; and Fajardo, Porto Rico, Feb- 

 ruary, 1899 (Busck). 



