banks: xkw fossorial hymknoptera. 101 



The two cells indicate a Planiceps, but the general structure is 

 plainly that of a Pedinaspis, and Planiceps should be limited to species 

 in which the second recurrent vein ends beyond the second subinargi- 

 nal cell. 



Priocnemus. 



Priocncmus nehulosus and P. fulgifrons differ from other species 

 of the genus in having a stigma which is paler in the center than on 

 the edges; only females are known. Taken at the same places and 

 times with these are AgenieUa pxilchrina and A. agilis, all males. In 

 these also the stigma is paler in the center than on the edges. There- 

 fore I am inclined to consider A. pulchrina as the male of P. nchulosii^, 

 and A. agilis as the male of P. fulgifrons. It is possible therefore that 

 other species of Ageniella of which the male only is knowm may belong 

 to species of Priocnemus of which only the female is known, there are 

 several such in each genus, but I am at present unable to present 

 evidence in any particular case; moreover there are Ageniellas similar 

 to the others in which both sexes are known, and several species 

 known only in the female. 



Cryptocheilus rugosus, sp. nov. 



Type.— M. C. Z. 10,011. Washington: Wawawai, June. W. M. 

 Mann; Arizona: Oak Creek Canon, 6,000 ft. F. H. Snow^ Two 

 specimens. 



9 Black; black antennae, reddish yellow wings, slightly margined 

 with black at tips. Metanotum coarsely transversely wrinkled 

 above on the basal half, not on the posterior slope, densely hairy. 

 Abdomen shining, hairy, especially at tip, segments slightly con- 

 stricted at ends. Head densely hairy, clypeus truncate; anterior 

 ocellus scarcely diameter from the laterals; vertex convex; antennae 

 short, stout, second with third joint not nearly as long as \ertex 

 width; pronotum arcuate behind. Legs stout, spiny, and hairy; 

 all femora hairy above and below, hind tibiae with many short bristles, 

 nearly obscuring the teeth; inner spur not one half of the basitarsus. 

 In hind wings the cubitus is interstitial with fork of median; in fore 

 wings the marginal cell is hardly acute at tip, first recurrent at middle 

 of second submarginal; second recurrent barely sinuate, meeting the 

 third submarginal at the middle, latter extending much beyond the 

 marginal. Length, 16 to 20 mm. 



