THE CANADIAN ENTOMOLOGIST. 181 



Black, with the following parts yellow : the labrum, the clypeus, 

 the mandibles except at apex, a spot on the cheeks, a spot on 

 the collar, the tegula?, a spot above the posterior coxae, the 

 anterior legs, including the coxge, before, the middle coxfe and 

 trochanters beneath, the knees of the middle legs beneath, and 

 the middle tibiie and tarsi beneath ; the following parts rufous : 

 the middle femora beneath, the posterior femora except a spot 

 at the base and apex above, the posterior tarsi, and the 

 abdomen beyond the third segment ; the third segment of the 

 antennas one-third longer than the fourth ; the clypeus deeply 

 emarginate ; the wings hyaline, yellowish ; the veins black ; the 

 costa reddish ; the stigma luteous at base. Length, lo mm. 

 Habitat — Grangeville and Lewiston, Idaho (Prof J. M. Aid- 

 rich) rubi'isominus, n. sp. 



15. Spot above the posterior coxae and the sides of the basal plates 



yellow *ter7ninatus, MacG. 



Spot above the posterior coxae wanting and the sides of the basal 

 plates black : 

 Black, with the following parts rufous : the front femora except a 

 black line above interrujjted at middle, the middle and 

 posterior except a black line above, the tibiae except a black 

 spot on the apex of the posterior pair, more pronounced 

 beneath, the front tarsi, the apical two-thirds of the first 

 abdominal segment except a black line at apex, abdominal 

 segments two to five, a diamond-shaped mark on the middle 

 of the sixth tergal segment, and the ventral abdominal segments 

 two to five ; the clypeus squarely emarginate ; the third segment 

 of the antennae one-third longer than the fourth ; the mandibles 

 yellowish-white except at apex ; the wings fuliginous ; the veins, 

 including the costa and the stigma, black. Length, 11 mm. 

 Habitat — Olympia, Washington (Trevor Kincaid)..;/4''''^^^'^"^n.sp. 



16. Legs black varied with white or yellow 17. 



Legs rufous varied with black 20. 



17. Posterior tibiae black 18. 



*A specimen received from Prof. C. V. Piper, and collected at Pullman, Washing- 

 ton, was given the manuscript name terminoidea, Imt on more' careful study it does not 

 seem to differ from terminatus. 



