STROPHOSOMUS. 237 



Similar to >S^. faber but with base of thorax truncate, 

 whole body evenly and not very closely covered with 

 silver-gray scales, with very short upright hairs on elytra 

 only. L. 1| — 2 1. Eather common. S. retusus, Marsh. 



II, Whole of upper-side with long, upright hairs ; 

 forehead with a distinct central furrow. 



Black ; antennae and legs reddish-brown ; covered with 

 gray scales and erect hairs. Thorax very short, bisinuate 

 at base, with four lines of lighter scales ; basal margin of 

 elytra projecting as an acute angle at sides. L. 2|- 1. 

 Eather common. S. faher, Herbst. 



&. Upper-side diffusely covered with scales (except at 

 sides) and without upright hairs. 



Black, rather shiny; antennae and legs pitch-brown; 

 covered with silvery or coppery scales, placed closely on 

 sides of thorax, base of suture of elytra, a broad streak 

 along their side margin and the under-side, scantily on rest 

 of upper-side. Head coarsely, thorax rather more finely 

 punctured, base of latter nearly straight ; elytra with deep 

 pimctured striae. L. 2 1. Common. S. limhatus, Yah. 



Barynotus, 



A. Upper-side variegated with brown and gray scales. 



Pitch-black*; with brown and gray scales, placed rather 

 closely and in spots (especially on elytra). Eostrum with 

 a central furrow and some longitudinal wrinkles beside 

 tliis ; elytra with indistinct punctured striae, alternate 

 interstices somewhat raised, fifth and seventh united in a 

 curve near shoulder. L. 5 1. Eather common. 



B. ohscurus, Yah. 



S, Upper-side with scales unicolorous. 



a, Eostrum with one furrow. 



Pitch-black; antennae brownish -red; upper-side covered 

 with coppery scales, under-side with scanty gray pubes- 

 cence. Eostrum deeply and not very closely punctured, 

 with a deep central furrow ; thorax with distinct central 

 furrow, disc shallowly, somewhat closely punctured, sides 

 punctured in wrinkles ; elytra oblong-ovate, with fine 

 punctured striae, third and fifth interstices raised. L. 

 3 — 4 1. Not common. B. Schoenherri, Zett. 



