CYCLOXOTUM. 143 



7?. Prostornnm ending- in two points behind ; mesostcrnum 



broader tlian long. 



Antennae nine-jointed ; anterior tibiae furrowed toward 

 the apex. Body convex. 



a. Sides of tliorax not reflexed ; anterior tibiae emargi- 

 nate near apex. 



Scutelhnn curvilinear triangular, scarcely longer than 

 broad. Megasternum, Muls. 



h. Sides of thorax reflexed in triangular form ; anterior 



tibiae not eniarginate. 

 Similar to Megasternum, but with prosternum and meso- 

 sternum still broader. Crypto%)leuritm, Muls. 



Ci/cJonofuni. 



Short oval, shiny. Black above, densely punctured; 

 elytra with a sutural furrow on tlie hinder part ; under-side 

 and legs dark brown. L. 2 1. Common. 



C. orhiculare, Fab. 



Sphaeridiuni. 



A, Base of thorax slightly emarginate on each side, pos- 

 terior angles rather Itlunt. 



Head and thorax black ; elytra l)lack, with a red spot 

 (often indistinct) at base and a large yellow spot at apex ; 

 punctuation fine and very close. L. 3 1. Common. 



S. scarahacoides, Lin. 



a. Base of thorax moderately emarginate on each side, 

 posterior angles sharp. 



a. Elytra black, with side margin and a large spot at 

 apex yellow, sometimes also with a red spot at 

 slioulder ; with rudimentary striae of punctures. 



Head and thorax black, sides of latter yellow. Punc- 

 tuation close and fine. L. 2\ 1. Common. 



>S'. hipustulatum, Fab. 



b. Elytra black, with side margin generally yellow, but 

 without any well defined yellow spot at apex or any 

 dorsal striae of punctures. 



Head and thorax black, sides of latter generally yellow. 

 Punctuation close and fine. L. 2^ 1. >S^. marginatum, Fab. 



