1912] Eastern Species of Cerceris 27 
more than the diameter of sockets above the clypeus; second joint of 
flagellum but little longer than the third; lateral ocelli scarcely nearer 
to each other than to eyes; enclosure coarsely, mostly transversely 
rugose; basal segment of abdomen hardly one-half the width of the 
second segment; pygidial area twice as long as broad, sides strongly 
convex, broadest in middle, and narrower at tip than at base; hind 
tibize with about seven spines above, nearly evenly spaced. 
Length, 7 mm. 
From Fedor, Lee County, Texas, 25 June, (Birkmann). 
Cerceris finitima Cress. 
From Falls Church, Va., Southern Pines, N. Car., and Lee 
County, Texas. The female pygidial area is very slender as 
figured; in the male it is about twice as long as broad, about 
equally broad at base and tip, with slightly curved sides; the 
last joint of the antenna is thick and heavy; the hair-lobes are 
about once and a-half their breadth apart. 
Cerceris finitima nigroris n. var. 
This is a variety of the male which is larger than the type, 
and with a large black spot each side of clypeus above the base 
of mandibles. 
From Falls Church, Va., in August. 
