iivnitopoKus. Ill 



roAved in front ; elytra hrown, sides rather lighter, with 

 long, thick pubescence, punctured rather closely hut not 

 very distinctly, apex pointed; breast and abdomen blackish. 

 L. 1^ 1. Kather conmion. H. angustatus, Sturm. 



b b. Disc of thorax smooth or indistinctly 

 punctured ; base without depressions. 



A a. Elytra brown, rather lighter at the 

 sides ; length f — 1 line. 



Oblong. Head rust-red ; thorax somewhat narrowed in 

 front ; elytra witli rather strong and very scattered jnmc- 

 tuation, scarcely pubescent ; breast and abdomen blackisli. 

 Not connnon. IT. Scale sianus, Steph. 



JB b. Elytra brown, with outer margin and 

 four lines on disc yellow ; length 1-^ lines. 



Head rust-red ; thorax rather strongly narrowed in 

 front ; elytra indistinctly punctured, with thick yellow 

 pubescence ; under-side rust-yellow. Common. 



H. lineatus, Fab. 



nYTISCIDMS, 



A. Anterior male tarsi with first three joints more or less 

 dilated and covered beneath with sucker cups, but 

 without large suckers. 



a, Scutellum not visible. 



I, Posterior tarsi moderately compressed, fringed on 

 both sides, with two equal claws. 



Antennae rather tliick, dissimilar in the two sexes ; in 

 male the first four joints small, the fifth very large and 

 compressed, the rest more or less dilated ; antennae of 

 female somewhat spindle-shaped; prosteinum dilated behind 

 the coxae into a flat, bordered process, rounded at the end ; 

 middle coxae placed far apart ; last joint of labial palpi 

 large, toothed before the apex. Body reversed conical, 

 convex above, flat beneath. Noterus, Clairv. 



II. Posterior tarsi very short, strongly compressed, 

 first four joints with a long appendage on outer- 

 side, claws very unequal. 



Antennae thin ; presternum strongly compressed behind, 



