142 PALPICORNIA — SPIIAERIDIIDAE. 



lighter in front and beliind, punctures on disc a little finer 

 than at margins, without transverse impressions ; elytra dark 

 brown, scarcely broader than tliorax, nearly parallel-sided. 

 L. |- 1. Rather common. H. gracilis, Germ. 



Ji jB, Thorax distinctly l)roader than long. 



Head black ; thorax blackish, lighter in front and behind, 

 disc more finely punctured than margins ; elytra oblong- 

 ovate, pitchy, broader than thorax. L. f 1. Not common. 



H. pulchclla, Germ. 

 2. Elytra obliquely truncate at apex. 



Oblong. Head black ; thorax brown, anterior and pos- 

 terior margins lighter, not much broader than long, disc 

 more finely punctured than margins, with two transverse 

 impressions ; elytra brown, a little l)roader than thorax, 

 oblong. L. I 1. Not common. H. atricapilla, Wat. 



II» Elytra confusedly punctured. 



Short, flat, brown ; thorax often lighter in front and 

 behind, ratlier broader than long, almost uniforndy punc- 

 tured, with two slight impressions ; elytra much broader 

 than thorax, ovate. L. | 1. Scarce. //. pygmaca, Wat. 



ST'irABRiniinAE. 



A. Prosternum ending in one point behind; mesosternum 

 much longer than broad. 



a» Metasternuni extending between the intermediate 

 coxae. 



Antennae nine-jointed ; scutellum nearly an equilateral 

 triangle ; tibiae not furrowed. Body very convex. 



Cyclonotum, Er. 

 h. Metasternum not extending between the intermediate 

 coxae. 



jf . Antennae eight-jointed, club not very compact. 



Head transverse oval ; scutellum elongate triangular ; 

 antoiiur tibiae furrowed near tlu; apex. Body convex. 



Sphaeridium, Fab. 

 //. Antennae nine-jointed, club compact. 



Scutellum elongate triangular ; anterior tibiae furrowed 

 toward the apex. Body convex, Oercyon, Leach. 



