426 CLAVICOKNIA — PHALACRIDAE. 



2, Posterior angles of thorax somewhat bhmted. 



Somewhat oblong oval, rather convex. Upper-side black ; 

 under-side pitch-brown ; elytra lighter toward apex ; an- 

 tennae yellow or lirown ; legs red-brown. Elytl^a with 

 feeble, very finely punctured striae. L. ^ — § 1. Not un- 

 common. 0. pygmaeus, Sturm. 



S. Elytra with only one deeper stria near suture. 



Metasternum not reaching in front beyond intermediate 

 coxae, and separated from presternum by a distinct, short, 

 mesosternum ; anterior femora with lower margin not 

 hollowed out. [Stilhus, Seidl.] 



a. Posterior angles of thorax sharp right angles ; body 

 ovate. 



I. Upper-side lighter or darker brown, elytra tolerably 

 suddenly red-yellow behind middle. 



Under-side red-brown ; antennae and legs red-yellow. 

 Head and thorax smooth ; base of prosternum bordered 

 with long hairs. L. 1 1. Common. 0. consimilis,MiiYiih. 



II. Upper-side brownish-black, gradually changing 

 to reddish-pitch-brown at apex of elytra. 



Eather less convex and shorter than 0. consimilis. 

 Under-side black-brown, apical segments of abdomen 

 and legs red-brown ; antennae yellow. Head and thorax 

 impunctate ; base of prosternum bordered with hairs. L. 

 1 1. Common. 0. piceus, Er. 



b. Posterior angles of thorax somewhat blunted ; body 

 oblong-ovate. 



Slightly convex. Upper-side almost black, elytra gradu- 

 ally lighter at apex ; under-side brown-red, al)domen 

 lighter ; antennae and legs red-yellow. Head and thorax 

 very finely punctured ; base of prosternum not bordered 

 with hairs. L. f 1. Not uncommon. 0. ohlongus, Er. 



NITin ULIUAE, 



A. Elytra short, leaving two or three abdominal segments 



free. 



Labrum distinctly visible ; first three tarsal joints dilated, 

 only fourth small. 



