462 PROCEEDINGS: BOSTON SOCIETY NATURAL HISTORY. 
spot above posterior coxae, a narrow marj^^in to the sides of the 
basal plates, the prosternum, the pectus, the anterior coxae, the 
anterior trochanters, and femora except a black line above; 
remainder of legs rufous except a black line above on the middle 
femora and the posterior trochanters and a black spot at the 
base of the posterior femora above, and the apices of the seg- 
ments of the posterior tarsi black; the abdomen except the basal 
half of the first segment, rufous; costa rufous, stigma black; veins 
black; clypeus emarginate; third segment of the antennae one- 
third longer than fourth; front deeply hollowed out between the 
eyes; eyes strongly converging below. Length, 10 mm. 
'^Habitat. — Mt. Washington, New Hampshire (Mrs. Slosson) ; 
Olympia, Washington (Trevor Kincaid). 
"This species is related to rubella, Cress., but differs in having 
the four anterior femora with a black line ab<5ve." 
The type is not in Doctor MacGillivray's collection, and, 
according to him, it is probably lost. 
Tenthredo femaldi MacGillivray. 
Tenthredo fernaldi MacGillivray, Can. Ent., vol. 32, 1900, p. 177, $ . 
Tenthredo fernaldi MacGillivray, Bull. Conn. Geol. and Nat. Hist. Surv., no. 
22, 1916, p. 83. 
The type is in Doctor MacGilHvray's collection. Type locality, 
Amherst, Massachusetts, Professor C. H. Fernald, collector. 
Tliis species is a color variant of Tenthredo dubia (Norton), 
(Allant'us Jur.). 
