SMULYAN: NEW ENGLAND TENTHREDELLA. 427 
of a short longitudinal band, apical half or somewhat more of 
posterior femora, rarely middle tibiae at apex, a small spot at the 
base and the apical portion of the posterior tibiae. 
Wings. — Fore wings usually faintly pale honey-yellow; 
stigma brown to dark brown, pale at base; costal cell slightly 
translucent; veins black or blackish, rarely brown. Hind wings 
hyaline, apical half often verj' faintly clouded. 
Male. — Differs from the female as follows : head behind eyes 
distinctly narrower than through them; often the black spot above 
eyes, and the elongate spot on the posterior half of cheek are not 
fully developed, so that they appear brownish or only faintly 
brownish; pronotum yellow except a transverse black band on 
the dorsal aspect which is as a rule continued narrowly and medi- 
ally on the sides; propleura yellow; mesopleura, except lower por- 
tion or very narrow lower border of meso-epimeron, and pectus, 
yellow (the latter as a rule with a brownish band on each side) ; 
the upper half or more of the meta-epimeron, and the meta- 
episternum, yellow. 
Abdomen. — Yellowish, or brownish yellow, or sometimes 
light brown to brown (the darker colors usually on the apical 
portion); the following parts black: basal tergum except sides 
and posterior margin, 2d tergum with a variable amount and 
interrupted medially and longitudinally, 3d and 4th terga usually 
with transverse lines at their anterior and posterior margins and 
also interrupted medially. 
Legs. — Yellow, or yellowish (the tibiae and tarsi of the inter- 
mediate and posterior pairs brownish, or yellow-brown) ; the fol- 
lowing parts black: a longitudinal band on the posterior coxae 
and trochanters above (generally interrupted, or incomplete on 
both), a spot sometimes on the anterior and intermediate tro- 
chanters above, anterior femora except rarely with a longitudi- 
nally elongate spot at apex above, and a longitudinal band on 
the intermediate and posterior femora above (often abbrovialcMl 
basally on the former) . 
Wings. — Usually hyaline. 
Length. — Females, 10-14 mm.; males, 9.5-11.5 mm. 
Redescribed from many specimens of both sexes. 
