112 



NITIDULID.*:. 



and E. diffusa, which fall under the subgenus Dadoj)ora, Thorns., which 

 might well be given generic rank). We do not possess E. ohlonga, 

 Herbst. ; the insects standing under this name in our collections must 

 be referred to E. thoracica, Toui-n. 



I. Thorax broadest behind middle of sides, much 

 more narrowed in front than behind. 

 Species convex ; middle tibije of male simple. 



1. Club of antennse concolorous, last joint 

 broader than penultimate .... 



2. Club of antennae dark, last joint narrower 

 than penultimate. 



A. Size larger, more parallel-sided 



B. Size much smaller, sides more rounded . 

 ii. Species more or less depres.sed. 



1. Thorax with anterior margin strongly 

 emarginate. 



A. Elytra with very broad flattened side.s. 



a. Brown or brownish-black, thorax and 

 elytra reddish at the sides ; club of 

 antennje dark ..... 



b. Reddish-yellow, elytra sometimes to a 

 greater or lesser extent blackish ; club 

 of antennae concolorous. 



a*. Nari-ower ; more strongly and dif- 

 fusely punctured ; apex of elytra more 

 rounded ; middle tibiae of male simple . 



b*. Broader ; less strongly and more 

 thickly punctured ; apex of elytra 

 more truncate ; middle tibiae of male 

 sinuate ...... 



B. Elytra with moderately broad, or quite 

 narrow sides. 



a. Apex of elytra broad and truncate 



b. Apex of elytra rounded. 



a*. Elytra with very shoit shining golden 

 hairs ; rust -red or reddish-yellow, elytra 

 generally with a small dark discal spot ; 

 middle tibia3 of male simple 

 b*. Elytra with longer, not shining hairs ; 

 middle tibiae of male sinuate. 

 at. Narrower, less shining ; anterior 

 margin of thorax more emarginate ; 

 last joint of antennae distinctly nar- 

 rower than penultimate 

 bf . Broader, more shining ; anterior 

 margin of thorax less emarginate ; 



E. -ESTIVA, Er. 



E. MELINA, Er. 

 E. NANA, keitt. 



E. PARVULA, Sturm. 



E. DELETA, Er. 

 E. SILACEA, Hbst. 



E. NEGLECTA, Heer. 

 E. vARiEGATA, Herhst. 



E. OBSOLETA, F. 



