J. R. MALLOCH 293 



wide as interfrontaliu, rounded off in front; legs entirely black; the antero- 

 dorsal bristle present on fore tibia but weak; thoracic chaetotaxy as in male. 

 Length, 4.5 to 5.5 mm. 



Type.— &; Alamogordo, New Mexico, May 6, 1902, [A. N. S. 

 No. 6207]. Paratypes.—2 9, May 6; 2 o", 1 9, May 7; 1 cf, 

 IVIay 8, topotypical. 



Fannia plebeia sp. n. 



Male. — Deep black, shining. Orbits densely white pruinescent, face less 

 densely so. Thora.x with faint grayish pruinescence on sides and posteriorly. 

 Abdomen with the usual triangular black dorsal mark on each segment, the 

 lateral extensions of which are less distinct than the central portion. Legs 

 black. Wings slightly smoky. Calyptra brownish yellow. Halteres with 

 knobs j'ellowish. 



Eyes bare, separated at narrowest part of frons by width across posterior 

 ocelli; antennae distinctly shorter than face, third joint broad; arista bare; 

 cheek linear. Presutural acrostichals moderately long, two-rowed. Abdo- 

 men broad; hypopygium small; fore tibia without median bristle; mid femur 

 very slightly attenuated at apex; antero-ventral surface with a series of six- 

 teen to eighteen bristles extending from about one-fourth from base to apex, 

 the largest one not as long as diameter of femur, the series becoming (doser and 

 shorter to apex and at no point interrupted; postero-ventral surface with 

 two to three series of bristles which begin near Ijase and run to apex, one series 

 distinctly stronger than the others, and all of them longer than the antero- 

 ventral series; mid tibia swollen on apical half, the basal half slender, pubes- 

 scence erect, distinct but not conspicuous; bristles normal; hind femur with 

 three to five bristles on apical half of antei'o-ventral surface, the postero- 

 ventral surface with short hairs on basal half; hind tibia with three bristles, 

 one antero-ventral, one antero-dorsal, and one postero-dorsal, the latter 

 stronger than the others and the preapical dorsal. Hind coxa with a bristle 

 at apex above. Lower calyptra distinctly protruded. Length, 4.5 mm. 



Tijpe.— d"; Beulah, New IMexieo, June 29, 1902, [A. N. S. 

 No. 6208]. 



This species bears a resemblance to trianguligera sp. n., but 

 differs in chaetotaxy of mid and hind femora and tibiae. 



Fannia minutipalpis Stein 



1895. Iluinalomyia minutipalpis Stein, Bcrl. Ent. Zeit., xl, 106. 



Seven females taken at Cloudcroft, New Mexico, on dates as 

 follows: one specimen. May 21, 1902, five specimens, May 27, 

 1902, and one specimen, June 16, 1902. 



A common and widely distributed species occurring in North 

 America and Europe. 



TRAXS. AM. ENT. SOC, XLIV. 



