journal of entomology and zoology 13 



Table of West Coast Species 



1. Antenna flabellate in the $ , prothorax widest in front of the 



middle, distinctly narrowed posteriorly. flabellatus 



Antennae pectinate in the c^ , prothorax widest at middle, as 



usual. ■ crotchii 



Antennas serrate in both sexes. 2. 



2. Hind tibis of S slightly arcuate, inner side flattened and feebly 



grooved, tip of elytra not modified in the S , claws with 

 large basal tooth. 



' Front and middle tarsi of S distinctly dilated, ahnormis 

 Front and middle tarsi of $ not appreciably dilated, an- 

 tenna a little less strongly serrate, hind tibiae of $ less 

 conspicuously modified. infectus 



Hind tibias similar in the sexes. 3- 



3. Claws In the $ with a stout truncate inner lobe or tooth par- 



allel to and nearly as long as the claw itself — shorter and 

 less truncate in the 9 —extreme tip of elytra in the $ 

 impressed and smooth. longilohus 



Claws with a large, sharply and somewhat acutely angulate 

 basal tooth, similar in the sexes. ^ ^ 4. 



Claws with a much smaller basal tooth or dilatation, similar in 

 the sexes. 



4. Antennae strongly serrate, longer than half the body serratus 

 Antennae feebly serrate, not or scarcely longer than half the 



body. 



Elytral apex differently colored in $ , front and middle 



tarsi distinctly dilated {$), side pieces of cedeagus 



straight. montkola 



Elytral apex not different in color in the $ , front and 



middle tarsi very feebly dilated, side pieces of oedeagus 



curved. arizonesis 



5. Tips of elytra in the $ either differently colored, smoother, 



impressed or more widely margined; front and middle tarsi 



of $ more or less dilated, side pieces of oedeagus barbed 



at tip (except rt///co/rt). ^ 



Tips of elytra not modified in the $ . 



