186 ENTOMOLOGICAL SOCIETY 



Saropogon semiustus, n. sp. 



Black, the abdomen except the first segment, and the apices of the 

 femora, reddish yellow, the halteres light yellow, all hairs and bristles 

 whitish; in the female the femora, tibiae and tarsi are also reddish yellow, 

 the antennae yellowish brown. Body slender, head, thorax, scutellum, 

 and coxae densely grayish pruinose. Third joint of antennae tapering from 

 the middle to the tip, one and one-fourth times as long as the first two, 

 the style very small. Scutellum bearing two bristles. Abdomen polished, 

 sides of first segment and a spot in hind angles of segments 2 to 5, gray 

 pruinose. Wings hyaline, the fourth posterior and anal cells open. 

 Length 10 mm. 



San Diego Co., Cal. Four males and two females collected 

 by the writer. 



Type. No. 7960, U. S. National Museum. 



Family DOLICHOPODID^E. 

 Sciapus pruinosus, n. sp. 



(^. Head and body bluish green, bases of abdominal segments i to 6 

 black, genitalia small, the terminal portion black; face bare, yellowish 

 pruinose, front wholly white pruinose, ^antennae black, the second joint 

 bearing on its under side one very long and several short bristles, arista 

 plain, less than one-half as long as the body, proboscis yellow, palpi black, 

 hairs on lower two-thirds of occiput white; thorax grayish pruinose, the 

 mesonotum very thinly so, apices of abdominal segments 3 to 6 and the 

 whole of the seventh thinly grayish pruinose, apex of abdomen devoid of 

 long bristles. Wings hyaline, costa not ciliate, hairs of calypteres black. 

 Legs dark green, rlarrow apices of front and middle femora, the whole of 

 their tibiae and base of the front tarsi yellow, hind tibiae and their tarsi 

 black; tarsi plain, not ciliate, first two pairs of tibiae bearing two long 

 bristles on the inner side, the middle tibiae also with two long bristles, 

 other bristles of these tibiae short, hind tibiae bearing a few short bristles 

 only. Knobs of the halteres whitish. 



9- Same as the male except that the front is not pruinose and the 

 bristles of the tibiae are rather short. 



Length 4.5 to 5 mm. 



Miami, Florida. Two males and four females collected by 

 Mrs. A. T. Slosson. 



Type. No. 7961, U. S. National Museum. 



Family TACHINID^. 



Distichona auriceps, n. sp. 



Black, the second joint of antennae and the palpi yellow. Front at nar 

 rowest point slightly wider than either eye, sides of front and of face 



