POOPHAGUS. 125 



Oblong, rather flat. Black ; closely covered with whitish 

 scales ; disc of thorax brownish, with white, central line ; 

 elytra with five, not sharply defined dark spots, viz., a 

 common one in middle and two others on each. L. 1 — If 1. 

 Eather common. P. sisymhrii, Fab. 



S. Femora with a little tooth. 



Oblong, rather flat. Greenish-bronze ; under-side closely, 

 upper-side more scantily covered with gray scales ; apex of 

 rostrum, antennae and tarsi red-brown ; elytra with green 

 reflection. L. 1 — 1| 1. Scarce. P. nastitrtii, Germ. 



Mhytidosonius, 



Black ; sides of breast and usually also a part of suture 

 of elytra covered with white scales. Thorax strongly and 

 closely punctured, anterior margin somewhat raised ; elytra 

 with deep, punctured furrows, interstices narrow, with 

 small granules. L. | 1. Scarce. B. globulus, Herbst. 



Ceufhorhynchidetis. 



A, Femora not toothed. 



a. Elytra unicolorous. 



T, Upper-side more or less closely covered with whitish- 

 gray scales. 



1, Base of thorax bisinuate. 



A A, Thorax with a small but distinct tubercle 

 on each side. 



a a. Legs black. 



Black; closely covered on upper-side with gi-ay scales 

 (lighter at suture) and on under-side with whitish ones. 

 Thorax much constricted before apex, with feeble central 

 furrow (deeper in front and behind), anterior margin raised ; 

 elytra with deep punctured striae, interstices narrow, some- 

 what convex. L. | 1. Common. C. floralis, Payk. 



b h. Femora brownish, tibiae and tarsi red- 

 yellow. 



Ovate, rather flat. Brown, dull ; covered above and 

 beneath with gTayish scales ; elytra pale brown ; antennae 

 and rostrum black. Thorax constricted in front, with in- 

 clistinct central furrow, anterior margin raised ; elytra with 



