SMULYAN: NEW ENGLAND TENTHREDELLA. 455 
Thoeax. — Dark ferruginous ; the following parts black : pro- 
sternum, propleura, lateral face of pronotum in part faintly, a large 
spot on the mesoscutum on each side, the lower margin of the 
meso-epimeron in part sometimes, small posterior mesal portion 
of pectus, and the metascutum anterior to cenchri; tegulae and 
meta-episternum pale yellow. Mesoscutellum only sHghtly con- 
vex; meso-episternum from fairly sharply to quite sharply 
pointed. 
Abdomen. — Dark ferruginous; sides of basal tergum yellow- 
"ish white. 
Legs. — Darkish ferruginous (paler toward the extremities) ; 
anterior pair yellowish before; coxae sometimes slightly at base, 
and approximate^ the apical half of the posterior femora except 
beneath, black. 
Wings. — Front wings pale honey-yellow; stigma brown, 
basal half paler; costal cell from fairly to quite strongly translu- 
cent; veins black, or blackish, brown toward base of wing. Hind 
wings faintly honey-yellow; veins brown. 
Length. — 10.5-11 mm. 
Described from two specimens. The four specimens which I 
have seen are quite constant, and are apparently quite distinct 
from mellina (Norton). Indeed, the species is apparently nearer 
xantha (Norton). 
Habitat. — Norway (Norton), ^Vlaine; Twin Mountain, New 
Hampshire; Gloversville, New York (August); "Can." 
Tenthredella xantha (Norton). 
Tenthredo xanlhus Norton, Proc. Ent. Soc. Phila., vol. 3, 1864, p. 13, n. 26, 9 . 
Tenthredo xanthus Norton, Trans. Amer. Ent. Soc, vol. 2, 1868-9. p. 228, 
n. 3, 9. 
f Tenthredo mellina MacGillivray, Bull. Conn. Geol. and Nat. Hist. Surv., no. 
22, 1916, p. 84 (in part). 
Type and a number of paratypes from Colorado in the collec- 
tion of the American Entomological Society, Philadol]ihia, Penn- 
sylvania, were examined. Type, No. 202.1. 
Female. — Head. — Ferruginous; the following parts yellow, 
or pale yellow: clypcus, labrum, mandibles, lower portion (some- 
times as much as half) of cheeks, lower orbits, front below :uiton- 
