178 THE CANADIAN ENTOMOLOGIST. 



rufous. Length, ii mm. Habitat — Ithaca, New York (R. L. 

 Junghanns) cansatus, n. sp. 



Posterior femora rufous : 



Yellowish, with the following parts black : the antennse, a spot on 

 the vertex with narrow lateral dilations along the caudal margin 

 of the head, the apices of the mandibles, two narrow parallel 

 dorso-ventral lines on the caudal aspect of the head, a trans- 

 verse band on the pronotum, a spot on the median and lateral 

 lobes of the mesonotum, the suture between the mesonotum and 

 metanotum, a lobate spot on the disc of the basal plates, a spot 

 on each side of the meson of the first abdominal segment, a dot 

 at the base of the middle femora, a spot on the posterior coxse 

 and each segment of the posterior trochanters and another at 

 the base of posterior femora ; the abdomen and the middle and 

 posterior legs rufous ; the wings hyaline, the veins and the 

 stigma black except the base of the stigma and the costa, which 

 are pale ; the clypeus squarely truncate ; the third segment of 

 the antennas one-third longer than the fourth. Length, 12 mm. 

 Habitat — Ithaca, New York (R. L. Junghanns). .rubripes, n. sp. 



4. Abdomen in part pale 5. 



Abdomen wholly black 16. 



5. Pleura with a light spot 6. 



Pleura not with a light spot, black 8. 



6. Pectus pale 7. 



Pectus black : 



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

 the mandibles except at apex, the cheeks, the teguL-e, the collar, 

 the ventral margin of the pronotum, a line on the pleura, a spot 

 above the posterior coxse, the basal plates except at middle, 

 the suture between the me!5opleura and metapleura, the front 

 and middle legs except a black line above which reaches to the 

 apices of the tibi;\;, the posterior coxse except a black spot 

 above and beneath, the posterior trochanters except above, the 

 posterior femora and tibiae except above, and with the black 

 greatly dilated at the apices of each of the segments ; the 

 posterior tarsi black except the a])ical segment ; the abdomen 

 rufous except the first tergal segment ; the wings slightly 



