THE CANADIAN ENTOMOLOGIST. 81 



of the ovipositor which are black; the apical third of the posterior femora, 

 the extreme base and the apical third of the posterior tibia?, and the pos- 

 terior tarsi entirely except the apical segment, black ; antennte black ; 

 the third segment twice the length of tlie fourth; the basal plates finely 

 margined with fuscous white at sides ; the wings hyaline, the costa and 

 base of the stigma rufous; veins brownish. Length, ii mm. 



Habitat. — Mount Washington, New Hampshire. 



Readily separated from paliicoxa, Prov., by wanting the black lines 

 on anterior legs and in having the three basal abdominal segments rufous. 



Teiithredo barnsio7iii, Kirby.— $ Black, with the following parts 

 white : clypeus, labrum, the mandibles except apex, palpi, the four anterior 

 femora and tibiae in front, and a spot above the posterior coxae ; the 

 inner spur of the anterior tibiae bifid ; the following parts rufous : the 

 apical segments of all the tarsi, and the abdomen, except the basal plates 

 and the first segment ; the basal plates entirely and the first abdominal 

 segment except a diamond-shaped rufous mark at middle, its long axis 

 being transverse, black ; the four anterior tarsi are paler before but not 

 nearly so light as the tibiae and femora ; costa and stigma at base testaceous; 

 clypeus emarginate; third segment of antennae twice the length of the 

 fourth ; wings hyaline. Length, 9 mm. 



Habitat. — Hundson's Bay Territories (Kirby), Mount Washington, 

 New Hampshire. 



This species is related to tricolor, Nort., and occidentalis, Cress. 

 From the former it is separated by having the middle femora pale 

 beneath, and from the latter by having the abdomen black at base and 

 rufous at apex. 



Tenthredo remota, n. sp. —  ? Black, with the following parts yellow : 

 the clypeus, labrum, the mandibles except at apex, the cheeks, the tegulse, 

 collar, a curved mark above the anterior coxae, a spot above the posterior 

 coxae, the basal membrane, the sides of the basal plates and their posterior 

 margin very narrowly, the coxae at apex, the trochanters, except a black 

 spot above, the anterior and middle femora and tibiae except a black line 

 above, the anterior tarsi, the middle tarsi except fuscous spots on the 

 apices of the segments, the posterior femora at base beneath slightly, and the 

 apical segment of the posterior tarsi ; abdominal segments one to three 

 black, the remainder rufous; eyes strongly converging at base; third seg- 

 ment of the antennte about one-third longer than fourth ; costa ancj 



