1864.] 
405 
placed one on each side, and four at the apex placed two above and 
two below, the lower pair longest and acute. 
“ Hah. —Canada. 
“ This species closely resembles the G. vectis [of Europe], but differs 
in having snow-white pubescence on the face, continuous bands on the 
abdomen, and also in wanting the transverse depressions on each seg¬ 
ment ] the fifth segment also is not produced at its apical lateral mar¬ 
gins.’’ 
Unknown to me. 
8. C. lateralis, n. sp. 
Male .—Head black, densely and roughly punctured; the face densely 
clothed with rather long yellow pubescence; antennae black. Thorax 
black, densely and roughly punctured, clothed with rather dense, short, 
yellowish-fuscous pubescence, the sides of the metathorax and the pleura 
clothed with dense whitish pubescence ; scutellum rounded behind, and 
having a short, blunt, diverging tooth on each side; tegulae blackish. 
Wings subhyaline, dusky at tip. Legs black, the coxae and femora 
clothed with whitish pubescence. Abdomen subconical, very slightly 
narrowed towards the tip, the base being narrower than the thorax; 
black, shining, covered with dense, deep punctures which are more 
sparse on the disk above; base of the first segment clothed with fuscous 
pubescence; on each side of the four basal segments the apical margins 
are fringed with white pubescence, narrowed to a point inwardly, that 
on the side of the basal segment large and angular; the extreme lateral 
margin of the sixth segment is produced on each side into a very short 
blunt tooth; the apical segment is produced into two bifurcate pro¬ 
cesses, the upper teeth short and obtuse, the lower teeth a little longer, 
more slender and acute; on each side of this segment there is a straight 
well developed acute tooth; ventral segments densely and strongly 
punctured, each having an apical, white, marginal fringe. Length 
lines. 
Hah. —^Pennsylvania. One specimen. Coll. Ent. Soc. Phila. 
This is a very neat and distinct species; the sides of the abdomen 
are almost parallel and unlike any other species known to me. I have 
not seen the female. 
L 
