364 CLAVICOliNIA — TllICHOrTERYGIDAE. 



witli gray pnT)escence. Antennae and legs yellow ; under- 

 side chestnut-brown, with mouth, a large spot at apex of 

 metasternum and coxae yellow. Head very broad, eyes 

 small and prominent; thorax very large, with minute 

 tubercles placed in regular curved rows, sides strongly 

 bordered, basal margin deeply trisinuate ; elytra about 

 equal in length to head and thorax, much narrowed behind, 

 deeply and very closely asperate, sides nearly straight, 

 apices feebly rounded ; legs short. L. yV — rV 1- Very 

 rare. T. Sarae, Mat. 



II. Head and thorax black, elytra pitch-brown. 



1, Elytra shorter than head and thorax. 



Very short, broad, very strongly convex, with rather long 

 gray hairs. Antennae and legs yellow ; under-side black, 

 witli mouth and coxae yellowish. Head broad, eyes 

 prominent ; thorax very large and broad, widest in middle, 

 rather broadly bordered at sides, tubercles larger and placed 

 more closely than in T. atomaria ; scutellum rather short 

 and broad ; elytra narrowed behind, deeply asperate in 

 remote curved rows, apices feebly rounded ; legs short. L. 

 -j^ 1. Kare. T. thoracica, Gill. 



2, Elytra longer than head and thorax. 



A A, Head large and prominent. 



Ovate, rather broad, strongly convex, closely covered with 

 rather long brownish-yellow hairs. Antennae and legs 

 yellow ; under-side black, with mouth and coxae yellowish. 

 Eyes prominent ; thorax very large, broadest near base, 

 feebly bordered at sides, with small tubercles placed rather 

 diffusely ; scutellum large ; elytra rather closely and deeply 

 asperate in transverse rows, in male strongly narrow tjd 

 behind, in female nearly quadrate, apices oblique, only 

 slightly rounded; legs moderately long. L. -^ — jV 1. Not 

 uncommon. T. atomaria, De G. 



li JB, Head short and broad. 

 Obtuse oval, very strongly convex, scantily covered with 

 short pale hairs. Antennae and legs yellow ; under-side 

 pitch-black, with abdomen lighter, and mouth, coxae and 

 posterior margin of metasternum yellow. Eyes small, not 

 prominent ; thorax gradually narrowed from base, bordered 

 at sides, tuliercles small, irregularly placed in curved rows ; 

 scutellum moderately large ; elytra parallel-sided, nearly 



