Elytra tuith 3d interspace bipunctate or impunctate, not margined at base. 

 Anterior tibiae not or scarcely dentate at the outer side. 

 Bronzed, head smooth, shining ; legs rufous. 

 Apical spur of front tibiae very short ; epistoma truncate. 

 Elytral striae coarsely punctured, obliterated 



behind. 16. brevispimis. 



Apical spur of front tibiae long. 

 Elytral striae deep, entire elypeus bisinuate, 



tridentate. 17. sphaericollis. 



Clypeus emarginate, bidentate ; thorax elongate. 



much narrowed at base. 18. edentulus. 



Elytral striae partly abbreviated at base. 



Clypeus truncate, thorax ovate, transverse. 19. truncatus. 

 Clypeus truncate, thorax oval, not 



' transverse. 20. erythroceras. 



Testaceous or rufous ; head rugose, opake, elytra 

 pale usually with a dark spot. 

 Large robust : 

 Thorax oval, sides regularly rounded. 21. marinus. 



Thorax ovate, broader behind. 22. obesus. 



Smaller, less robust : 

 Head rugose, thorax not longer than wide. 

 " Angles of epistoma more prominent ; 'body 



larger, less elongate. 23. seilatus. 



Angles of epistoma less prominent ; body 



smaller, more slender. 24. pallipennis. 



Head not rugose, sparsely punctate ; body slender, 



thorax longer than wide. 25. salivagans. 



Anterior tibiae dentate at the outer side, 8th stria distinct at tip. 

 Elytral striae entire. 



Ferrugineous, anterior tibiae with a strongly 



curved terminal spur. 26. curvispinus. 



Elytral striae abbreviated in front ; black bronzed, legs rufous. 

 Elytral striae not obliterated behind ; very elongate ; 



clypeus sharply bidentate. 27. filiformis. 



Elytral striae slightly obliterated behind. 



Thorax oblong, clypeus truncate. 28. subleevis. 



Elytral striae obliterated behind. 



Thorax ovate ; clypeus sharply bidentate. 29. aratus. 



Thorax ovate ; clypeus truncate. 30. pumilus. 



Thorax transversely subglobose, clypeus obtusely 



bidentate. t 31. abbreviatus. 



Elytra with 3d, 5th and 1th interspaces furnished with single rows of 

 setigerous punctures. 

 Thorax short ovate, elytral striae faintly impressed, 



obliterated behind. 32. setosus. 



Thorax globose, elytral striae impressed, the interior 



ones hardly entire. 33. pilosus. 



Thorax globose and larger ; elytral striae more 



coarsely punctured. 34. hispidus. 



