48 PROCEEDINGS OF THE NATIONAL MUSEUM vol.69 



verse suture pollinose; the pile very short and black, a few longer 

 black hairs posteriorly; scutellum with short stout black marginal 

 bristles; legs black, mid tarsi broAvnish; abdomen black, second 

 tergite with pair of elongate yellowish spots ; wings smoky. Length, 

 14 mm. ; wing, 11 mm. 



Female. — Front moderate, an inconspicuous pale pollinose band 

 across middle; pollinose stripes on face very inconspicuous. 



Type locality. — Rio Charape, Peru. 



Type.— C2it. No. 27860, U.S.N.M. 



Holotype male, Rio Charape, Peru, September 14 (C. H. T. Town- 

 send) ; allotype and one male and one female paratypes, Piches and 

 Perene, Vs., 2,000-3,000 feet, Peru (Sec. Georg de Lima). 



CREPmOMYIA PLAGIATA (Wiedemann) 



Xylota plagiata Wiedemann, Auss. Zw. Ins., vol. 2, 1830, p. 92. 



An easily characterized species by means of the golden yellow 

 frontal triangle in the male, entirely blackish in the female; the 

 three well developed facial ridges; the lateral mesonotal stripes of 

 yellow pile, beginning behind the transverse suture and connecting 

 posteriorly with the marginal scutellar fringe of yellow pile; and 

 the fairly even infuscated stripe extending lengthwise through the 

 middle of the wing. The male is spurred, female without spurs. 



Originallj'^ described from Brazil. Material at hand from the 

 Amazon, Brazil (H. W. Bates) . In the British Museum. 



TATUOMYIA, new genus 



Rather large, shining black with a strongly constricted abdomen. 

 Face with three longitudinal ridges; the lateral one less developed 

 than in Crepidoinyia,' metasternum bare; trochanters unspurred; 

 hind femur much enlarged, spinose beneath ; hind tibia bidentate at 

 apex below; anterior margins of wings black, on posterior half 

 hyaline. 



Genotype. — Tatuomyia hatesi^ new species. 



TATUOMYIA BATESI, new species 



Male. — Head subelliptical ; frontal triangle fairly large, extending 

 well forward ; ocelli well advanced of occipital margin ; frontal tri- 

 angle flat, shining black. Antenna dark broAvn; third joint nearly 

 three times as long as broad; arista about twice the width of the 

 face ; median facial ridge very prominent, straight ; face black, lightly 

 dusted with silvery pollen ; thorax black, very inconspicuously pilose ; 

 legs, including tarsi, black, the basal half of mid tibia and posterior 

 half of hind femur brownish; second abdominal segment greatly 



