34 



presutural dorsocentral bristles but the anterior pair yery short, 

 abdomen broadly ovate, about twice as long as broad, sparsely 

 haired, hypopygium projecting two-thirds length of preceding seg- 

 ment of abdomen beyond the latter, its first segment bearing 

 two bristles and a few hairs, its second segment with a few hairs 

 only. Front and middle tibiae with a short bristle near middle of 

 the posterior side, hind ones with a very short bristle near middle 

 of inner-anterior and a long one on outer-anterior side, claws and 

 pulvilli short. Wings hyaline, third and fourth veins outwardly 

 nearly parallel, hind crossvein nearer to apex of fifth vein than to 

 small crossvein, calypteres white. Length slightly over 2 mm. A 

 male specimen. Stanford University, California. Type No. 7675, 

 U. S. National Museum. 



988 COKNOSIA CANESCKNS Stein. Stanford University. 

 1803 Coensia majuscula Coquillet, new species. 



Black, the halteres, tibiae, trochanters and rather broad apices 

 of the femora, yellowish; head higher than broad, grayish pruinose 

 except the frontal vitta, the gray ocellar triangle prolonged half 

 way to the antennae; the latter two-thirds as long as the face, the 

 second joint whitish pruinose on the upper side, the third one and 

 one-fourth times as long as the second, bluntly rounded at the 

 apex, arista thickened on less than the basal third, pubescent; palpi 

 slender, slightly enlarged at apex. Thorax grayish pruinose, not 

 vittate, two pairs of presutural dorsocentral bristles and three pairs 

 of postsutural, three sternopleurals. Abdomen about three times 

 as long as wide, grayish pruinose and with a pair of black, elon- 

 gated spots on the second and third segments, hypopygium about 

 two-thirds as long as the preceding segment of abdomen, the first 

 segment nearly twice as long as the second and bearing several 

 bristles, the second bearing only bristly hairs. Front tibiae bear- 

 ing only a single bristle near middle of the posterior side, middle 

 and hind tibiae with a pair of bristles near the middle, the hind 

 ones also with a ver^' long preapical bristle on the outer side, 

 pulvilli greatly elongated. Wings hyaline, the veins brown, calyp- 

 teres whitish. Ivength 4 mm. A male specimen. Stanford 

 University, California. Type No. 7674, U. S. National Museum. 

 1007 CoKNosiA VKRNA Fabr. Stanford University. 

 2804 Lispa polita Coquillet, new species. 



Near uliginosa, but the tibiae are black, the abdomen without 

 distinct grayish pruinose portions, etc. Black, the apex of second 

 antennal joint, the palpi and halteres, yellow; face yellowish pru- 

 inose, the sides almost wholly covered with short bristly hairs 

 among which are two or three much longer ones opposite the 

 vibrissae, palpi considerably dilated apically, covered with black 

 bristly hairs except on the basal and apical portions of the under 

 side; body polished, the mesonotum thinly brownish pruinose, the 



