NEW NEARCTIC FOSSORIAL HYMENOPTERA. 
By NATHAN BANKS. 
Museum Comp. Zoology, Cambridge, Mass, 
The following new species were found in the course of 
identification work on the Museum collections. A synoptic 
table of Pepsis is given, and also for most of the Eastern species 
of Dasymutilla. In both of these structural characters are 
utilized that have not previously been considered. The types 
are all in the Museum of Comparative Zoology. 
CRABRONID. 
Entomognathus memorialis sp. nov. 
2. In structure close to E. lenapeorum, that is with Be frontal 
groove evanescent and the front below ocelli tumid; clothed with much 
pale hair, the clypeus silvery, metanotum with sculpture very similar 
to that species. Black; the scape beneath, pronotum each side and 
connected down to the tubercles, tegulz in part, two small spots on the 
scutellum, front and mid tibiz on outer sides, hind tarsus on base, and a 
spot each side on abdominal segments | to 4, yellow. It differs from 
lenapeorum in the spotted abdomen, black tarsi and larger size, and 
the abdomen is broader, especially at base. 
Length, 6.2 mm. 
From Glencarlyn, Va., July 26th. 
Lindenius wenonah sp. nov. 
o. Structure in general similar to L. errans, the ocellar depressions, 
however, very indistinct, body covered rather more thickly with 
sericeous pubescence. It differs at once in coloration and anterior 
tarsi. In the front tarsus the first joint has an expansion on outer 
side as wide as the joint; this expansion is mostly black. The clypeus, 
mandibles (except tips), scape, pronotum, tubercles, tegule, scutellum 
and post scutellum (each with borders laterally), most of the legs, and 
nearly entire dorsal surface of abdomen, yellowish. The flagellum is 
pale beneath; bases of femora and tips of tarsi dark, the basal half of 
the first abdominal segment, and the borders of the others narrowly 
black. The wings have yellowish-brown venation; the venation is on 
the same plan as in L. errans, except that the cubital cross-vein ends 
near the middle of the marginal cell, instead of plainly before. 
Length, 4 mm. 
From Fallac, Eldorado Co,, Calif.,” (Giffard). 
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