TOMOXIA. 349 



ToTTioxia. 



Black, with close, silky, grayish-yellow pubescence, 

 placed more closely on base of elytra and on a spot behind 

 middle of each ; base of antennae reddish-yellow. Elytra 

 finely and scantily punctured ; anal process sharply pointed. 

 L. 3 J — 4 1. Not common. T. higuttata, Gyll. 



3£ordeUa. 



A, Pubescence of upper-side forming spots or bands in 

 places. 



Black, with rather close, silky, gray pubescence, placed 

 more closely on an oblique spot at shoulder and a straight 

 band (interrupted at sides and suture) behind middle of 

 each elytron ; antennae sawlike, with base yellow-brown. 

 Anal segment produced into a long, sharp point. L. 2^ 1. 

 Not common. M. fasciata, Fab. 



S, Pubescence of upper-side evenly distributed. 



Black, with rather thick, silky, closely-lying pubescence. 

 Thorax much broader than long, its process over scutellum 

 truncate or slightly emarginate ; elytra rather more than 

 double as long as broad at base, much narrowed behind ; 

 anal spine as long as abdomen ; antennae sawlike. L. 2 

 — 2^1. Very rare. M. aculeata, Lin. 



Mordellistena, 



A, Thorax wholly or partly yellow. 



a. Abdomen reddish-yellow. 



Black, with fine, silky, gray pubescence ; mouth, base of 

 antennae, anterior legs and abdomen reddish-yellow, hinder 

 legs dark, but their tarsi partly reddish ; thorax of male 

 black, with base brown-yellow, that of female red. L. 2 — 

 2^ 1. Not common. M. abdominalis, Fab. 



6. Abdomen black. 



I, Antennae darker at apex than at base. 



1. Head black. 



Black, with fine, silky, gray pubescence"; mouth, base of 

 antennae, sides of thorax, a spot on shoulders of elytra and 

 the anterior legs reddish -yellow; hinder femora narrowly 



