1863.] 
301 
red. the sides of the metathorax covered with white pubescence; the 
legs have a short silvery pile, particularly on the posterior femora, 
tibiae and tarsi within • the wings fusco-hyaline, having a pale lunule 
towards their apex. Abdomen ferruginous, the extreme base black, 
also two black spots on each side of the basal segment; the third seg¬ 
ment has on each side an oblong yellow stripe at its basal margin, the 
fourth has a narrow yellow fascia at its basal margin, the fifth entirely 
yellow. 
The yellow markings on this species are in some examples very 
obscure. 
'•'Hah. Greorgia.” 
An obscure 9 specimen of this species (Coll. Ent. Soc. Phila.) from 
Pennsylvania, is of a uniform ferruginous color, the antennm except 
the three basal segments in front are blackish, the collar and legs are 
ferruginous, the posterior margins of the segments of the abdomen are 
more or less blackish, the markings of the abdomen are obscure yel¬ 
lowish-white instead of yellow, the fifth segment above is also yellow¬ 
ish-white margined anteriorly with black and somewhat indented with 
black on each side, and the fourth ventral segment has on each side an 
oblique whitish spot. The abdomen is uniformly and distinctly punc¬ 
tured. 
22. N. obliterata n. sp. 
Female .—Head ferruginous ; finely and densely punctured ; anterior 
margin of the clypeus, labruni, mandibles and orbits of the eyes on 
each side of the clypeus tinged with yellowish; a spot enclosing the 
ocelli and the extreme posterior margin of the head, black. Antennae, 
when extended back, attaining the scutellum; entirely ferruginous, 
except the apical joint which is tipped with yellowish. Thorax ferru¬ 
ginous ; finely and densely punctured, slightly hairy, especially on each 
side of the metathorax; a longitudinal dorsal impressed line extending 
to the scutellum, sides of the collar, upper margin of the pleura extend¬ 
ing from the collar to the metathorax and enclosing a small ferruginous 
spot immediately beneath the base of the wings, the extreme sides of 
the scutellum, and the metathorax except a ferruginous patch on each 
side,* black or blackish ; the collar above, tubercles, two spots on the 
scutellum which is subbilobate, and a small spot on the lower part of 
the ferruginous patch on each side of the metathorax, yellow ; tegulm 
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