TENKBUIONIDAE. 373 



5. Penultimate joint of tarsi entire. (j. 

 Penultimate joint of tarsi bilobeti. IX. IIetkrotaksini. 



6. Anterior coxae rounded ; middle coxne vvitli tiocliaiitin ; antenna' per- 



foliate, third joint usually longer than the following. 7. 



Anterior coxae subtransverse ; middle coxa' witiiout trochantin ; third 

 joint of antennie short, outer joints more or less perfViliate. 



VIII. Ul.OMlNI. 



7. Hind coxae transverse, never obli<jue. S. 

 Hind coxae oblique, tarsi spinous. VII. Cryi'tui.m. 



8. Front feebly dilated at the sides. _ fl. 

 Front broadly dilated at the sides. 10. 



9. Tarsi spinous or setose beneath ; 



Elytra widely embracing the body. I. BijAPTINI. 



Elytra narrowly embracing tlie body. II. Scaukim. 



Tarsi with coarse almost spinous hairs beneatli. III. Amphidokini. 



Tarsi with silken pubescence beneath. IV. Tenebkionim. 



10. Anterior tarsi % dilated. V. Pedinini. 

 Anterior tarsi "^ not dilated. VI. Opatki.m. 



11. Sides of front not obliquely elevated. " 12. 

 Sides of front obliquely elevated. 13. 



12. Abdomen pedunculate, antennae slender. XIII. Apocryphini. 

 Abdomen not pedunculate, outer joints of antenna^ broader; 



Tarsi slender, head not deliexed. XIV. Helopini. 



Tarsi with antepenultimate joint sub-bilobed, head vertical. 



XV. Dignamptini. 



13. M(!tasternnm very short ; body apterous. XVI. Meracasthini, 

 Metasternum long ; body winged. XVII. Stko.ngyliini. 



Tribe I.— BLAPTIRfl. 



Body oblong, rarely oval, apterous ; head prominent, slightly 

 narrowed behind the eyes ; epistonia covering the base of tiu; 

 mandibles at the sides ; labrnni prominent; nientum small, in- 

 serted upon a gular peduncle; maxilla; exposed; ligula partly 

 concealed ; maxillary palpi with the last joint securiform, not 

 very large; eyes transverse, reniform, tolerably finely granulated; 

 antennae ll-jointed; elytra embracing widely the flanks of the 

 abdomen, epipleurte narrow; middle coxoe with large trochantin, 

 side pieces attaining the coxal cavities; metasternum very short, 

 (!pistcriia narrow, epimcra quite distinct; hind coxse widely sepa- 

 rated ; intercoxal process of abdomen rectangular ; third and 

 fourth ventral segments not prolonged b(;hind at the margin. 

 Legs long; anterior femora frecpiently toothed; tibial spurs dis- 

 tinct; tarsi channelled and .setose beneath. 



