108 Journal New York Entomological Society. [Voi. v. 



tibioe and the tarsi ; the head and thorax densely and finely punctulate ; the 

 wings luteous; the veins, including the costa and stigma, black; the third 

 segment of the antennre twice as long as the fourth ; the clypeus squarely 

 emarginate. Length, 12 mm. Habitat. — Seattle, Washington (S. Bethel). 



stigmatus, sp. nov. 



20. Pleurre and pectus marked with rufous ventricus MacG. 



Pleurre and pectus marked with yellow. ^ . — Black, with the following parts 



yellow : the clypeus, the labrum, the mandibles except at apex, the cheeks, 

 the tegulre, a spot on the collar, a spot above the anterior coxae, the proster- 

 num, the pectus, an angulate mark on each pleura, the coxae and trochanters 

 beneath, the front and middle femora beneath, the front tibiae beneath, the su- 

 ture between the mesothorax and the metathorax, a spot above the posterior 

 coxae, a spot on each side of the basal plates, and a fine line on the caudal 

 margin of the basal plates ; the following parts rufous : the posterior femora, 

 the middle and posterior tibioe, the front and middle tarsi (the posterior tarsi 

 are black), and the abdomen beyond the middle of the first segment; the 

 clypeus roundly emarginate ; the third segment of the antennae one-fourth 

 longer than the fourth ; the wings hyaline ; the veins brown ; the costa and 

 the stigma luteous. Length, 12 mm. Habitat. — Plattsburg, New York (H. 

 G. Dyar) hyalinus, sp. nov. 



21. Four anterior femora and tibiae black above. <^ . — Black, with the following 



parts yellow : the clypeus, the labrum, the mandibles except at apex, the 

 cheeks, two spots above the base of the antennas, the tegulae, the collar, a 

 line on the pleurae, the ventral part of the pronotum, a vertical line beneath 

 the posterior wings, a spot above the posterior coxae, a spot along the lateral 

 margin of the coxae at apex, the legs beyond the coxce except above, a longi- 

 tudinal band along each side of the abdomen, and the caudal margin of the 

 ventral segments; the wings slightly infuscated; the veins and the stigma 

 black, the stigma some paler at base ; the third segment of the antennae twice 

 the length of the fourth ; the clypeus squarely emarginate. Length, 9 mm. 



Habitat. — Colorado (Carl F. Baker) lateralbus, sp. nov. 



Four anterior femora and tibiae rufous. 9 • — Black, with the following parts 

 yellowish : the clypeus, the labrum, the mandibles except at apex, the collar, 

 the tegulae, a line on the pleurae, a spot above the posterior coxae, the sides of 

 the basal plates, the coxae and trochanters except a black line above, and the 

 front femora, tibiae, and tarsi beneath ; the following parts rufous : the front 

 femora above except a black spot at apex, the front tibiae and tarsi above, the 

 the middle and the posterior legs beyond the trochanters except a black spot 

 at the base of the femora above, a spot on the apex of the second and third 

 abdominal segments, and the following segments, including the venter; the 

 clypeus deeply emarginate ; the third segment of the antenna; one-third 

 longer than the fourth ; the wings hyaline, the veins black ; the costa luteous ; 

 the stigma brownish. Length, 10 mm. Habitat. — Olympia, Washington, 

 (Trevor Kincaid) capitatus, sp. nov. 



