328 HETEKOMERA— TENEBRIONIDAE. 



Seaphideina, 



Oval, moderately convex. Upper-side bronze-brown, 

 shiny ; head and thorax sometimes lighter ; under-side red- 

 brown or brownish, prosternum lighter. Thorax much 

 broader than long, narrowed in front, sides almost straight ; 

 elytra with rather feeble punctured striae, interstices 

 punctured. L. 2 1. Not common. S. aenea, Payk. 



Platydenia, 



Upper-side dark blue or violet; under-side black ; mouth, 

 antennae and legs brown, antennae paler at apex. Fore- 

 head with a depression in middle ; thorax much broader 

 than long ; elytra with punctured striae, interstices flat, 

 punctured. L. 3^ — 3f 1. Eare. P. violacea, Fab. 



Alphitophagus, 



Head brown, mouth paler ; thorax red, usually with a 

 black spot in front ; elytra brown-black, with a transverse 

 band at base, another just behind middle and generally the 

 apex reddish-yellow ; under-side yellow-red or red-brown, 

 antennae and legs reddish-yellow. Thorax much broader 

 than long; elytra with punctured striae. L. 1| 1. Mode- 

 rately common. A. quadripustulatus, Steph. 



Triholium, 



A, Antennae with a distinct three-jointed club. 



Keddish-yellow-brown or red-brown. Thorax broader 

 than long, sides straight behind ; elytra with striae, those 

 next suture feeble, interstices very finely punctured. L. 2 1. 

 Eather common. T.ferrugineuni, Fab. 



JB, Club of antennae gradually formed by last four or five 

 joints. 



Eather larger than T. ferrugineum, broader and flatter, 

 with thorax more rounded outwardly ' in front ; anterior 

 tibiae less acutely produced on outer-side ; elevated clypeal 

 ridge carried farther back along the eye, which, therefore, 

 looks smaller ; elytra more sliiny, minute interstitial punc- 

 tures less regular ; antennae with shorter and stouter basal 



