THE CANADIAN ENTOMOLOGIST. 285 



inner margins of tlie eyes, the tegulae, the prosternum, the mesosternum, 

 and the mesopleuras, the legs, including the coxae, except a black line on 

 the coxae and trochanters and femora above (the front and the middle 

 legs are somewhat yellowish beneath), and the abdomen beyond the 

 middle of the first segment ; the clypeus squarely emarginate ; the third 

 segments of the antennae one-third longer than the fourth ; the wings 

 hyaline ; the veins brownish ; the costa and the stigma luteous. Length, 

 1 1 mm. 



Habitat — Colorado. Mr. Carl F. Baker, collector. 



This species is related to i-ubelloides and hyalintis ; it is separated 

 from the former by having the tibise entirely pale, and from the latter by 

 the rufous mesopleurae and mesosternum and the squarely emarginate 

 clypeus. 



Macrophya pulchella alba, n. van $ . — Black, with the following 

 parts yellowish-white : the clypeus, the labrum, the mandibles except at 

 apex, a triangular spot on the collar, the tegulae, a circular spot on the 

 pleura?, the basal plates, the scutellum, the postscutellum, the front and 

 middle legs, including the coxte, except a ring on the apex of the tibiae 

 and the apices of the apical segments of the tarsi, the posterior coxae and 

 trochanters, the basal half of the posterior femora, and the tibise except a 

 ring at the base and apex. Length, 8 mm. 



Habitat — Indiana (Baker), Pennsylvania and Illinois (Nason), 

 and New York. 



Macrophya ptmctata, n. sp. $. — Black, with the following parts 

 white : the clypeus, the labrum, a spot on the bases of the mandibles, 

 two spots on the caudal margin of the vertex, a narrow line on the collar, 

 the teguls at base, the anterior coxae beneath, the apices and a line on 

 the side of the middle coxae, a large spot on the sides of the posterior 

 coxse, the trochanters, the front femora, tibise, and tarsi beneath (the 

 apices of the segments of the tarsi are ringed with black), the apical half 

 of the middle femora beneath, the middle tibise beneath, a ring on the 

 middle of the posterior tibiae, the middle and posterior tarsi except the 

 apices of the segments, and two spots on the apex of the basal plates at 

 middle ; the clypeus broadly and roundly emarginate ; the third segment 

 of the antennae twice the length of the fourth ; the wings slightly 

 infuscated ; the veins, including the costa and stigma, black. Length, 

 lo mm. 



Habitat — Plattsburg, New York. Mr. H. G. Dyar, collector 



