476 



PROCEEDINGS OF THE ACADEMY OF 



[Oct., 



indicated in one of the brown males and no traces are present in the 

 other. The lateral lobes of the pronotum are blackish-brown in all 

 the specimens, but this is more extensive cephalo-ventrad in some 

 than in others. 



After comparison of the genitalia of this form with the figures of 

 that of N. carinata we are forced to the conclusion that specific rank 

 must be accorded convexa. 



The type localities were Mt. Shasta and Napa County, California. 



Aglaothorax sierranus n. sp. 



Types: c? and 9 : Yosemite Valley, 4,500 feet (cT) and Grouse 

 Creek, 6,000 feet ( 9 ), Yosemite National Park, California. September 

 1 , 1907. Collected by Morgan Hebard. [Hebard Collection.] 



Related to A. diabolicus (Scudder) from Monte Diablo, California, but 

 differing in the somewhat shorter caudal femora, which are much less 

 inflated proximad, and in the more decidedly and sharply dentate 

 apex of the ovipositor. No doubt other differences exist in the male 

 sex, but this cannot be determined until the male of A* diabolicus is 

 known. 



Fig. 15. — Aglaothorax sierranus n. sp. Lateral view of male type. (X 2.) 



Size'moderately large ; form robust. Head well seated in the thorax, 

 the interocular space very broad and mesad with a pair of more or 

 le->s distinct converging rugse which unite with the lateral margins 

 of the fastigium; fastigium about equal to the basal antennal joint 

 in width, narrowing ventrad, with a distinct very narrow sulcus on 

 the dorsal surface terminating abruptly cephalad; eyes small, ovoid, 

 quite prominent for their size; antennae exceeding (cT) or at least as 

 long as ( 9 ) the body. Pronotum with the greatest width of the disk 

 contained about one and one-half times in the length; cephalic margin 



