Ill 



bred October 7, 188G, from Harrisina amencana. Type 

 .■>(ill, U. S. I^^ational Museum iKtrrisiita' ii, sp 



7. Middle tibia' each beariug a single macroclueta on the front side -x v, 



near the middle, palpi, except sometimes the cjxtrcme apex^^^ 



black 8. "^ ^ 



Middle tibia' each bearinji' two or more macrochtetie on the front side 

 near the middle, fourth segment of abdomen black 10. 



8. Third vein bearing a single bristle near its base 9. 



Third vein hearing two bristles near its base; black, including tlief St. »^«/Ar^ 

 l)alpi: front of female slightly narrower than either eye, frontalL*^' t'*'**^ 

 bristles descending to base of third antennal joint, hairs of front ^W>f:^ ■»< »)». 

 rather long and abundant, cheeks one-eighth as wide as the 

 eye height, vibrissa' on a level with front edge of oral margin, 

 ridges bristly on the lowest fifth, antenn;e almost as long as the 

 face, the third Joint from twice to three and one fourth times as 

 long as the second, arista thickened on the basal two-fifths, the 

 penultimate joint as broad as long; thorax gray pollinose, ^^^...^^^tl,,,^^ 

 marked with four black vittiv, scutellum bearing four marginal t^ '^- - 



pairs of macrocha'tiii, that at the apex curving backward and y r- ^ 

 nearly horizontal; abdomen shining, bases of last three seg- "^ /\^^ 

 ments whitish pollinose, second and third segments bearing 

 marginal macrochjette, the fourth covered except at base with 

 much shorter ones than those on the third ; wings hyaline, calyp- fl 



teres Avhite; length, 5 mm. Tifton, Ga. Four female speci- 

 mens collected October 1, 10, 15, and 17, b}^ Mr. G. E. Pilate. 



Type Xo. 3612, U. S. National Museum pilatci n. sp. 



9. Fourth segment of abdomen wholly or largely yellow, its jxillea 

 golden yellow; length, 7 to 10 mm. A'irginia; Tifton, Ga.; 

 Mississippi; Palestine, Tex.; Carbondale, 111. ; Alameda County, 

 Cal., and Kingston, Jamaica, West Indies. (Ausser. Zwei. 

 Insekten, Vol. II, p. 331; 1830: Tachina. Masicera protopco-cis 

 Townsend, Journal Jamaica Institute, Vol. I, p. 70; 1892: from 

 two cotype specimens.) distincta Wied. 



Fourth segment largely or wlioll}- black, its pollen gray; length, G 

 to 12 mm. District of Columbia; Carbondale, III.; Kirkwood, 

 Mo.; Georgia; Mississippi; St. Louis, Mo.; Baton Kouge, La., 

 and Colorado. (Biol. Cent.-Amer., Diptera, Vol. II, p. 107; 

 March, 1890: Masicera. Argyrophylax sp., Brauer and Bergen- 



stamm in Jitt.) inquinata v. d. W. 



10. Second and third segments of abdomen destitute of discal macro- 

 chieta' 11. 



Second and third segments bearing discal macrochaita', apical pair1^"'^-t/^*«.<^--' 

 on the scutellum almost vertical, scutellum and pali)i black, j^c*^-^, 

 third antennal joint nearly four times as long as the second,''"^^^ — d^'^^, 

 third vein bearing a single bristle at its base; length, 7 mm. •^'^•^. 





Colorado. (Trans. Amer. Ent. Soc, Vol. XVIII, p. 358; Novem- 

 ber, 1891 : Masicera.) nigrifa Town. 



