BLAPS. 825 



h b» Thorax distinctly transverse, base strongly 

 bisinuate. 



Clypeus short, separated from forehead by a fine flexuous 

 furrow, sides rounded, front sinuate or truncate ; eyes 

 partly divided, lower portion much larger than upper ; 

 third joint of antennae scarcely longer than fourth ; thorax 

 transverse, base rather strongly bisinuate ; elytra oblong 

 oval; tibiae triangular; metasternum elongate; intercoxal 

 process not broad, triangular. Alphitohius, Steph. 



&. Anterior coxae globular, 

 -T. Metasternum elongate. 



Head free, rhomboidal ; clypeus separated from forehead 

 by a very fine furrow, prominent, gradually narrowed and 

 truncate or sinuate in front ; inner lobe of maxillae with a 

 horny hook ; last joint of maxillary palpi hatchet-shaped ; 

 antennae gradually thickened, third joint more or less 

 elongate ; eyes emarginate, lower portion much larger than 

 upper ; thorax transverse ; semicircularly emarginate at 

 base ; elytra elongate, parallel-sided ; tibiae rounded, apical 

 spines short but distinct. Tenehrio, Lin. 



II, Metasternum short. 



Head more or less prolonged and narrowed behind ; 

 clypeus separated by a furrow from forehead, short, gradu- 

 ally narrowed and widely truncate in front ; inner lobe of 

 maxillae without horny hook ; last joint of maxillary palpi 

 strongly hatchet-shaped ; antennae long and slender, 

 penultimate joints longer than broad, third joint elongate ; 

 eyes slightly emarginate ; thorax rounded at sides, slightly 

 or scarcely emarginate in front, base truncate or rounded ; 

 elytra usually oblong oval ; tibiae gradually dilated, apical 

 spines very small. H el ops, Fab. 



Blajys, 



A, Fifth and sixth joints of antennae at least half as long 

 again as broad. 



a. Thorax distinctly narrowed behind ; length of apical 

 process of elytra ^ — 1 line. 



Black, rather dull above, shiny beneath. Body narrower 

 than in B. mucronata ; clypeus without smooth central 

 line, more prominent at anterior angles ; elytra broadest in 



