106 Journal New York Entomological Society. [Voi. v. 
except at base, the trochanters, the front and middle femora except a black 
line above, the front tibiae except a dash above at base, the middle tibiae ex¬ 
cept a black line above, the posterior femora at base, the posterior tibiae be¬ 
neath slightly at base, the front and middle tarsi and the apical segment of 
the posterior tarsi, a spot above the posterior coxa and the side and \enter of 
the basal plates and the three basal abdominal segments; the abdomen, ex¬ 
cept the saw-guides, rufous beyond the third segment; the third segment of 
the antennae one third longer than the fourth; the wings hyaline, very slightly 
yellowish; the costa, the stigma, and the veins luteous; the clypeus broadly 
and roundly emarginate. Length, ii mm. Habitat. Mt. Washington, N. 
H. (Mrs. Annie Trumbull Slosson.) . novus, sp. nov. 
12. Pectus pale. *3 
Pectus black. 21 
13. Posterior femora wholly or in part pale above. 14 - 
Posterior femora black above. *7 
14. Posterior femora fulvo-ferruginous or sanguineous.15 
Posterior femora in part black. I( > 
15. Abdomen wholly ferruginous. frigidus MacG. 
Abdoman in part black. .—Black, with the following parts whitish: the 
clypeus, cheeks, a fine line on the latero-caudal margin of the pronotum, the 
tegulae, a spot on the pleurae, a spot on the pectus, a spot above the posterior 
coxae, the sides of the basal plates, a line on their posterior margin, and the 
anterior coxse ; the legs, including the coxse, shading from luteous to rufous 
except a spot on the trochanters, the base of the femora above, a black line 
on the apex of the posterior tibiae above, and the posterior tarsi; the abdomen, 
including the venter, rufous, except a transverse spot on the base of the first 
segment and the apical segments; the clypeus deeply and squarely ema>-gi- 
nate; the third segment of the antennse one-third longer than the fourth ; the 
wings hyaline, yellowish along the veins ; the veins brownish; the costa and 
stigma black. Length, 11 mm. Habitat.—Olympia, Washington (Trevor 
Kincaid). pallipectis, sp. nov. 
16. Four anterior femora wholly pale. £>.—Black, with the following parts yel¬ 
low : the clypeus, the labrum, the mandibles except at tip, the cheeks, the 
face beneath the antennae, a spot above the base of each antennae, the col¬ 
lar, the tegulae, the ventral margin of the pronotum, an angular mark on the 
pleurae, a spot above the posterior coxae, the pectus at middle behind, the 
coxae except the base of the posterior pair, the trochanters and the base of 
the femora; the following parts rufous: the front and middle legs slightly 
beyond the middle of the femora, the middle of the posterior femora, the 
basal three-fourths of the posterior tibiae, and the abdomen beyond the basal 
plates except the saw-guides; the posterior femora and tibiae black at apex; 
the wings luteous; the veins brown; the costa and stigma luteous except the 
apex of the stigma. Length, 11.5 mm. Habitat.—Mt. Washington, N. H. 
(Mrs. Annie Trumbull Slosson)... pallicolus, sp. nov. 
Four anterior femora with a black line above. $ .—Yellow, with the following 
parts black : the antennae, the head except an ovate spot above the base of 
each antennae, the basal two thirds of the cheeks, the clypeus, the labrum, the 
