238 bulletin: museum of comparative zoology. 



1. Head tumid about ocelli, and above the antennae; femora hairy. 



tumifrons. 

 Head not tumid at ocelli; femora not noticeably hairy 2 



2. Pronotum arcuate behind ; posterior slope of metanotum silvery pubescent. 



'parvus. 



Pronotum angulate behind; posterior slope of metanotum not silvery 



pubescent subangvlatus. 



Sophropompilus bradleyi, sp. nov. 



Type. — Cornell Univ. Coll. 



Calif.: Giant Forest, Sequoia National Park, 6,000-7,000 ft., 21-26 

 July (Bradley). One 9 • 



9 Bluish, legs and antennae more black; wings not very dark, not darker 

 at tip; body and legs densely long haired, even down on the first and second 

 tarsal joints, most of the hairs erect, and very long. Head rather broad, 

 clypeus truncate in front, margined, a distinct groove from antennae to an- 

 terior ocellus, hind ocelli nearer to each other than to the eyes; vertex from 

 in front slightly convex; antennae short and heavy, third joint as long as first; 

 pronotum broadly arcuate behind, metanotum short, rounded, with a median 

 groove; abdomen moderately elongate, hardly depressed, hairy all over, 

 those at the tip no longer than elsewhere; legs rather short, with numerous 

 stout spines; tarsal comb of four heavy curved spines on the first joint, the 

 last of which is longer than the next joint; inner spur of hind tibia two thirds 

 of basitarsus ; wings with marginal cell length from the tip, second submarginal 

 cell nearly square, receiving the first recurrent vein near tip, the third sub- 

 marginal cell short, narrowed above, receiving the second recurrent vein near 

 its middle; basal vein bowed, a little before the transverse, in hind wings 

 cubital fork interstitial with the end of the cell. 



Length 10 mm. 



Sophropompilus parvus (Cresson). 



Calif.: Ingleside, 25 July, Sequoia National Park, 21-26 July; 

 B. Col.: Carbonate, Columbia River, 7-12 July; Wash.: Yakima, 

 and Wenas Valleys, July, 1882. 



Sophropompilus tumifrons Banks. 

 Calif.: San Diego Co., 14 June. 



