THE CANADIAN ENTOMOLOGIST 283 



Frons about one-third wider than either eye, whole surface 

 glossy; triangle poorly defined, occupying more than two-thirds 

 the width of vertex and reaching slightly over midway to anterior 

 margin of frons; surface hairs on frons weak, those on triangle con- 

 fined to margins; antennae of moderate size, third joint rounded; 

 arista short, not as long as width of frons, basal joints elongated 

 and slightly swollen, pubescence indistinct; face concave; cheek 

 distinctly higher than width of third antennal joint, the anterior 

 angle produced slightly; lower half of cheek bristled, the usual 

 strong hair at anterior angle; eye pubescent, distinctly higher than 

 long. Mesonotum thickly covered with short, pale hairs, at the 

 base of each of which there is a small puncture; there are traces of 

 a central line of punctures, and, more distinctly, of two lateral, 

 broader lines; scutellum with disk haired as of disk of mesonotum, 

 rounded in outline; two apical marginal bristles and two weaker 

 bristles anterior to them, at the base of each of the long bristles 

 there is a slight tubercule. Wings with third costal division dis- 

 tinctly more than half as long as second; veins 3-4 slightly diver- 

 gent at apices; outer cross vein oblique. 



Length, 1.5 mm. 



Type in author's collection. 



Locality: Beltsville, Maryland, swept in hay field, June 15, 

 1913 (J. R. Malloch, J. D. Hood). 



Madiza { = Siphonella) projecta, new species. 



Female: Yellow, slightly shining. Ocellar spot black; pro- 

 boscis glossy'brown at joint. Mesonotum with three black-brown 

 stripes, which are not clearly defined and sometimes indistinct, the 

 side stripes generally shortened posteriorly; pleunne with a dark, 

 brownish spot on the middle; scutellum sometimes with a discal 

 brown spot. Abdomen with three longitudinal rows of brown 

 spots, or with fore margins of segments brownish. Legs entirely 

 yellow, or with the fem.ora slightly darkened at middle, and the 

 bases -of hind tibia? darkened. Wings clear. Halteres yellow. 



Head in profile distincth" produced at n:outh margin; frons 

 about one-half the head width, surface hairs pale; proboscis very 

 long, either half as high as head; arista bare, short, not as long as 

 breadth of frons; check as high as breadth of third antennal joint; 



