1922] Curran: Hammer schmidtia and Brachypoda 251 



media and notata. Altogether I took over sixty specimen? at 

 Oiillia in 1921, between May 8th and June 14th. I have also 

 specimens from Maine (C. W. Johnson). 



B. perplexa differs from notata in shorter pile on arista, 

 dark thorax and abdominal markings, paler general ground 

 color, more produced face, and unclouded wings. It is at once 

 distinguished from media by the presence of the median line. 

 From gigas it is readily distinguished by its darker thorax, 

 smaUer size, and less pilose arista. Dr. Johnson had also this 

 species before him when he discussed B. media (Can. Ent., 

 Vol. XLIX, p. 362) as is quite evident from his remarks, and 

 I have two males received from him, as B. media. 



Brachyopa notata Osten Sacken. 



Arista short plumose; thorax yellowish red; abdomen with an 

 interrupted median stripe. 



Length, 5.5 to 7 mm. Male. Face and front yellow, whitish 

 pollinose, leaving the frontal triangle chiefly, and a broad stripe on the 

 cheeks shining fermginous. Antennae reddish yellow, third joint 

 elongate oval, more pointed below; arista reddish, short plumose; 

 vertical triangle tinged with brownish, with very short brownish pile; 

 eyes touching for almost the same length as the vertical triangle; 

 posterior orbits dull yellow, with whitish pile Thorax yellowish 

 red, thinly whitish pollinose, leaving a shining double median stripe 

 and sub-lateral stripe, interrupted at the suture, and the margins of 

 the dorsum, shining. Pile of dorsum black, but whitish between the 

 humeri. Pl'eurse with yellowish pile, the long hairs on the upper 

 portion of the mesopleurae may be more or less blackish, although 

 usually all pale. Scutellum triangular, the apex rounded, lighter colored 

 than the thorax, with black pile and some slightly longer marginal 

 hairs. Abdomen yellow or reddish yellow; all the segments with a 

 narrow brown posterior border, which is continued forward on the 

 sides of the segments to near the anterior angles. In the middle, 

 the second and third segments with a longitudinal dash of brown, 

 not reaching the posterior brown margin; sometimes a small spot on 

 the fourth segment. Pile of the abdomen pale yellowish, but black 

 on the posterior half of segments two and three. Legs reddish yellow, 

 the last two tarsal joints brown; anterior basitarsi, hind basi tarsi with 

 the two following joints, more brownish. Legs chiefly short stout 

 pilose, the femora with stiff hairs below. Wings tinged with luteous 

 or yellowish, the stigma luteous; a dark cloud follow^s the border of 

 the wing from the stigma to the tip of the fourth vein, a distinct spot 

 at the end of the fifth vein, and the region of all the veins dilutely 

 clouded. 



Female. Front only a little narrowed above, dull yellow; a large 

 shining spot above the antennae; ocellar triangle brownish; pile of front 



