THYAMIS. 287 



bronze ; base of antennae and legs (except posterior femora) 

 yellow. Thorax closely and finely punctured. Kather 

 common. T. obliterata, Eosenh. 



2. Body very convex ; elytra not entirely covering 

 abdomen. 

 Ovate. Black ; base of antennae, tibiae and tarsi yel- 

 low. Thorax closely and very finely punctured ; elytra 

 more closely and deeply punctured than thorax, separately 

 rounded at apex ; apterous. L. f 1. Not uncommon. 



T. anchusae, Payk. 

 II. Elytra very finely punctured. 

 Ovate. Upper-side bronze-brown or pitch-brown; under- 

 side black ; first five joints of antennae red-yellow, rest 

 brown-black ; legs dull red-yellow, posterior femora pitch- 

 brown. Punctuation extremely fine, indistinct ; winged. 

 L. 1 1. Moderately common. T. parvula, Payk. 



6. Elytra with apex lighter. 



Ovate, convex. Black, shiny ; elytra with a round red 

 spot before apex ; first three joints of antennae and anterior 

 tibiae and tarsi red-yellow, hinder pairs of latter darker. 

 Punctuation close and fine. L. 1 1. Eather common. 



T. holsatica, Lin. 



c. Each elytron with two lighter spots. 



I. Posterior tibiae brown. 



Oblong oval, convex. Black, sliiny, with bluish reflec- 

 tion ; elytra with a spot before apex and at shoulder 

 obscure red-yellow ; base of antennae and legs red-yellow, 

 posterior femora black, anterior femora until beyond middle, 

 posterior tibiae and apex of all tarsi brown. Elytra closely, 

 not finely, confusedly punctured, sutural angle obtuse ; 

 wings very short. Eiftli ventral abdominal segment of 

 male with a small tubercle in middle of apex. Elytra 

 more strongly punctured than in T. anchusae, with apex 

 less rounded. L. -| 1. Not uncommon. 



T. ahsintliii, Kuts. 



II. Posterior tibiae yellow-red. 



Oblong-ovate, convex. Black, shiny ; eacli elytron with 

 a reddish spot (variable in size) at shoulder and another at 

 apex ; base of antennae and legs (except posterior femora) 

 yellow-red. Punctuation rather close, distinct. L. 1| — 1| 1. 

 Moderately common. T. quadripiistulata, Fab, 



