304 
[November 
Yar. h .—Differs from tlie above in having the antennae a little 
shorter and sometimes varied above with blackish,—in the thorax be¬ 
ing brown or dark ferruginous with an impressed, longitudinal dorsal 
line,—in the femora having more black at their base beneath and 
within,—in the yellow spots on the second segment of the abdomen 
above being large, angular and pointed within,—in the more distinct 
yellow marks on the third and fourth segments, and in the two spots 
on the fifth segment being connate and forming a transverse yellow 
spot, obtusely indented posteriorly. Length 5 lines. Three specimens 
from Connecticut and Virginia. 
Yar. c.—Differs in having only a small yellow spot on each side of 
the second segment and a narrow transverse line on each side of the 
third segment. Length 4—4| lines. Four specimens from Connecti¬ 
cut and Pennsylvania. 
? Male. Head black, rather finely and densely punctured, clothed 
with pale hairs which are longer and more dense in front and beneath ; 
a small yellowish ferruginous spot, sometimes obsolete, at the summit 
of the eyes; base of the clypeus sometimes tinged with ferruginous; 
rest of the clypeus, labrum, mandibles except tips, and the orbits of 
the eyes beneath and on each side of the clypeus, yellow. Antennae 
as long as the head and thorax, ferruginous, varied with black above, 
especially the seven or eight basal joints, apical joints generally ferru¬ 
ginous. Thorax rather finely and densely punctured and thickly 
clothed with rather long erect pale hairs; black, sometimes with four 
subobsolete^ longitudinal, ferruginous lines above between the wings, two 
on the disk and one on each side over the base of the wings; collar, 
scutellum or two spots on it, and a more or less distinct line on the 
postscutellum, ferruginous; tubercles and tegulmyellowish-ferruginous; 
a yellowish or ferruginous spot beneath on the pleura anteriorly on each 
side of the fore feet, and sometimes a small ferruginous spot on each 
side beneath the base of the wings. Wings hyaline, iridescent, apical 
margins faintly clouded. Legs ferruginous, hairy beneath; the coxae 
except tips, trochanters and the anterior and intermediate femora at 
base beneath, and the whole of the posterior femora except tips, black. 
Abdomen minutely punctured, slightly hairy on the sides and towards 
the apex; shining, ferruginous; base of the first segment above black ; 
posterior margins of all the segments more or less blackish; on each 
