M'2 



Mr. C. N. Barker on 



except the basftl depressions, smooth 

 or very faintly aciculate ; more or 

 less brif^htlv iridescent species. 



17 (18). Length 9^ miu.; width 3 mm. Black. 



Antenupe and palpi testaceous red, 

 legs deep red, and the tibiaa piceous 

 or darker red. Elytra parallel, striae 

 deep, intervals convex and densely 

 aciculate-punctate; spaced puuctures 

 on intervals 3, o, and 7. Two males 

 only -H". optivut, Per. 



18 (17). Leng-lh 7-7f mm. ; width 2|-3 mm. 



Pro thorax shorter, elytra less parallel. 

 Legs, palpi, and antennre flavescenc, 

 joints of latter lineally maculated 

 with black or nearly wholly infus- 

 cated. Elytral intervals less convex, 

 shagreening liner, spaced punctures 

 absent or obsoletely present on inter- 

 vals 3 and 5. Several of both sexes. S. imitativns, P(5r 



19 (22). Females pubescent, males glabrous. 

 20(21). Length 9-10 mm.; width 3-3^ mm. 



Black, brightly iridescent ; antennae, 



palpi, margins of prothorax.and legs 



ilavescent to reddish te>taceous. Pro- 

 thorax gently rounded, little (one- 

 quarter) wider than long, margins 



widely reflexed, hind angles rounded, 



striae deep, intervals a little convex, 



Onely shagreened, seriate punctures 



on intervals 3 and 5, rarely faintly 



on 7. All males 



21 (20). Length 9-10^ mm., width 3^-4 mm. 



Identical with above in every respect, 



except that the elytra are briefly 



pubescent and the intervals between 



striae plane. All females 



22(20-21). Length 9|-10Amm.;width3J-3| mm. 



Coloration identical. Differentiation 



of sexes similar to that of " cctjfei- " 



cum " ylaber.^' Prothorax similarly 



shaped, but more transverse and more 



Convex at apex ; elytral striae finer, 



aciculation of intervals as fine but 



less dense, and quite plane in both 



sexes. Seriate punctures on third, 



fifth, and seventh S. legitimuSf sp. n. 



25 (41). Glabrous in both sexes. 



24 (22). Length 8|-9| mm. ; width 3-3^ mm. 



Antennal joints above 3rd more or 

 less infuscated; prothorax shorter, 

 sides very gently and evenly rounded, 

 and less narrowed to base, hiud angles 

 .sharp. Seriate punctures on inter- 

 vals 3 only JI. rivalis, P^r. 



25 (24). Length 8^-9 mm., width 3-3^ mm. 



Coloration the same, but elytra ((5) 



H. glaber, Boh . 



[oi glaher, probably. 

 H. coffer, Boh., female 



