i66 ENTOMOLOGICAL NEWS [May, 'i8 



scarcely margined: sides subangulate, more or less feebly arcuate and 

 convergent before the middle to apex, somewhat oblique, straight or 

 feebly arcuate to the marked constriction posteriorly, the latter about 

 or less than one-sixth of the total pronotal length; apical angles ob- 

 tuse ; basal angles rectangular. 



Propleura rather densely punctato-rugose and submuricate. 



Elytra oval, about one-fourth longer than wide, widest at middle 

 third ; base truncate, distinctly wider than the contiguous pronotal 

 base; humeri obtuse and not in the least prominent; sides evenly ar- 

 cuate, apex not broadly rounded ; disk moderately convex on the dor- 

 sum, evenly and broadly arcuate laterally and vertically declivous pos- 

 teriorly; surface densely sculptured, punctato-scabrous centrally about 

 the suture, tuberculate laterally, tubercles rather small, somewhat muri- 

 cate, more strongly so on the apical declivity, each tubercle or punc- 

 ture with a moderately long semi-erect hair. 



Epiplcura subscabrous and not strongly defined from the elytra! 

 disk. 



Sterna and parapleura shining and densely punctate. 



Abdomen glabrous and shining, more or less densely punctate, 

 especially on the first segment and basally on the others. 



Legs moderate and rather slender. Anterior tarsi dissimilar in the 

 sexes. 



$ . — Somewhat narrow. Abdomen feebly oblique to the sterna and 

 impressed at middle of the first two segments. Protarsi with the 

 first two joints scarcely thickened at tips beneath, each with a tuft of 

 pubescence, tufts piceo-flavous, that of the first joint rather broadly 

 truncate, that of the second transverse and subtruncate ; first joint 

 of the mesotarsi with a small rounded and truncate tuft at tip be- 

 neath. 



$. — Broader and ovate. -Abdomen horizontal. First joint of the 

 protarsi somewhat thickened at tip, with the apico-marginal tufts 

 of spinules contiguous at the median plane and blocking the plantar 

 groove. 



$. — Length, 9.5-10.5 mm.; width, 4.5-5.0 mm. $. — Length, 10.0-12.0 

 mm. ; width, 5.0-6.5 mm. 



Habitat. — Modoc County, California. Collected May 15, 

 1913, by F. W. Nunenmacher; 52 specimens studied. 



Types S and 5 in my own collection ; type locality, Modoc 

 County, California. 



In a single female the joints of the protarsi are 

 wholly denuded of spinules. The plantar grooves are not de- 

 fined on the first four joints. Avhich are evenly and smoothly 

 conxex from side to side, the first is subhemispherically promi- 



