82 



aration from Bioinyia.' Our species have only three sternopleural 

 macroehjetii', the se;;ond and third segments of the abdomen destitute 

 of discal ones, aoo e Hul jo i nt of antounu ' ittid the palpi, yellow: 



1. Tite- i.ix bLciLiLi,^ only tiu ' CL ' - poatmitural mu i urouhu ' tu ' . 2. 



Thorax beariuu," four i)ostsutiiral macrochietiiG, middle tibiie ©«44i 



bearing only one on the front side near tlie middle, scutellum 

 and sides of first three segments of the abdoinem black, apex of 

 the fourth segment yellow, antenna; two-thirds as long as tlie 

 face; length, 11 mm. Florida. (Proc. Acad. Nat. Sci. Phila- 

 X . delphia, p. /'i09: Sei)tember, 1895: Masiphya.) . . . .auriavra Con., 



2. Autenna' itt least tliree fourths as long as the tace; scutellum and' 



abdomen wholly black .... 3. 



Antenna; two-thirds as long as the face, middle tibiic each bearing 



two or more macrochieta; on the front side near the middle; 



apex of scutellum lyi^ sides and apex of abdomen yellow; 



u C\/u<uA£.^,.'tu^ length, 9 to 12 mm.,\ District of Columbia; Maryland; Vir- 



CojC. giuia; Tifton, Ga. ; Biscayne Bay, Fla., and Los Angeles 



Co., Cal. (Zweif. Kais. Mus. Wien, V, p. 313; 1891 : Masiphi/a. 



Also in litt. Tachinomyia jioridcnsis Towusend, Trans. Amer. 



^Ent. Soc, Vol. XIX, p. 97; May, 1892.).&ra.si//ay?a Br. and Berg. 



3. ChecKS one nith as oroad as the ej^e height, iront m each sex one- 



half as wide as either eye, abdomen subopacpie gray poll i nose, 

 hind margins of the second and third segments and reflecting 

 spots darker; length, 5 to uiui. Amherst, Mass., and Los 

 Angeles County, Cal. (Zweif. Kais. I\Iiis. Wien, V, p. 312 ; 1891 : 

 Vivianiu. Masicera sordieolor Towusend, Trans. Amer. Ent. 

 Soc, Vol. XVIII, p. 359; December, 1891. Fseudotractocera 

 calosomic Coq. MS., Burgess in Kept. Mass. State Board Agric, 



]>. 83; January, 1897.) gcor(jkv Br, and Berg. 



Cheeks one-tenth as broad as the eye height, front of female as wide 

 as either eye; black, the palpi and apex of-])roboscis yellow; 



r /; /?, . frontal bristles descending almost to apex of the second anten- 



^^^^^'v'^^^^^^'*'^ nal joint, five pairs of orbital bristles in the female, sides of face 



^'*'^^"*'*^''^'''''^ at narrowest part each one tenth as Avide as the median dejjres- 



U^J sion, vibrissa' half the length of the second aiitennal joint above 

 the oral margin, ridges bristly on the lowest fourth, antenna; 

 reaching slightly below lowest third of face, the third joint one 

 and one-half times as long as the second, arista thickened almost 

 to the middle, the i)enultimate joint as broad as long; tliorax 

 thinly gray i)ollinose, marked with four black vittic, scutellum 

 bearing three long marginal pairs of macrochjcta^, abdomen 



' An Austrian specimen received from Brauer and Bergeustamm and by them labeled 

 Viriania pacta Meijij., has the apical cross vein strongly concave, and not straight, as 

 stated by these authors in Zweif. Jvais. Miis. Wien, VI, p. Ill; 1893. . 



(Xcit<, ->.*.*^/^ ^ knA^ ^ /^wv^-- ^ >^^' 



/ c^v^^^A^^- 



