SMULYAN: NEW ENGLAND TENTHREDELLA. 433 
Tenthredella secunda (MacGillivray). 
Allanlus angulifer var. a Norton, Boston Journ. Nat. Hist., vol. 7, 1860, p. 
252, n. 31, 9 . 
Tenthredo secundus MacGillivray, Journ. N. Y. Ent. Soc, vol. 5, 1897, p. 105, 
9&. 
Tenthredo simulatus MacGillivray, Journ. N. Y. Ent. Soc, vol. 5, 1897, p. 
105, 9. 
Tenthredo simidala MacGillivray, Bull. Conn. Geol. and. Nat. Hist. Surv., no. 
22, 1916, p. 87. 
Tenthredo secunda MacGillivray, Bull. Conn. Geol. and Nat. Hist. Surv., 
no. 22, 1916, p. 87-88. 
The type of Allantus angulifer var. a Norton is in the Harris 
Collection in the museum of the Boston Society of Natural His- 
tory, manuscript number 430. It is in rather poor condition. 
It was taken b^ J. W. Randall in 1836, probably in the vicinity 
of Hallowell, Maine, where Randall did most of his collecting. 
The female type of Tenthredo secunda MacGillivray is in the 
collection of Doctor A. D. MacGillivray, Urbana, Illinois. Type 
locality, Mt. Washington, New Hampshire. The male paratype 
is in the collection of Cornell University, Ithaca, New York. 
The type of Tenthredo simulata MacGillivray is also in the 
collection of Doctor MacGillivray. Type locality, Winchendon, 
Massachusetts. 
Female. — Head. — Yellow, or pale yellow; the follo-o-ing parts 
black: the back of head, a large spot on front above antennae and 
vertex, trilobed anteriorly and less distinctly laterally, extending 
from the posterior margin of the head to between the bases of the 
antennae medially and uniting rather broadly along the posterior 
margin of the head with a smaller spot behind the upper part of 
the eye occupying the whole area between the posterior margin 
of the eye and the posterior margin of the head and which is 
continued angularly and faintly for some distance along eye on 
cheek (rarely the whole of the latter spot is somewhat fadeil. or 
rather, the black is not completely developed) ; posterior half of 
cheek brownish yellow; antennae black, basal segment usually 
rufescent inside. Head behind eyes narrower than through them ; 
supra-antennal ridges as a rule fairly prominent; frontal fovea 
usually with a slight transverse swelling about in the middle. 
Thorax. — Black; the following parts yellow, or pale yellow: 
