405 



DD, Elytra without such ridges. 



E, Suture with conspicuous conjoined 

 tubercles near summit of pos- 

 terior declivity conjunctus 



EE. Suture without such tubercles. 

 F. Head with forehead more or less 

 sinuous. 

 j. Suture between two basal abdo- 

 minal segments almost 



straight ... ^ megapholus 



jj. This suture distinctly curved in 



middle athyreus 



FF. Head evenly convex. 



G. Mesosternal receptacle sud- 

 denly elevated. 



k. Femoral teeth large locuUferus 



kh. Femoral teeth small. 



I. Largest elytral fascicles sub- 



apical loculosus 



II. Largest subbasal. 



m. Suture between two basal 

 abdominal segments 



almost straight obliquus 



mm. This suture curved in 

 middle. 

 n. Prothorax with pale 



scales along middle simvlator 

 nn. Prothorax without 



such scales fumatus 



GG. Mesosternal receptacle not 

 suddenly elevated. 

 H. Antennae inserted much 



nearer apex than base ... stenocerus 

 HH. Antennae inserted, at most, 

 slightly in front of middle. 



I. Prothoracic clothing con- 



spicuously variegated ... intermixtus 



II. Prothoracic clothing, at 



most, feebly variegated. 

 J. Femoral teeth moder- 

 ately large and dis- 

 tinct, 

 0. Sides of rostrum dis- 

 tinctly incurved to 



middle tenehrosus 



00. Sides of rostrum almost 



parallel ohscurus 



J J. Femoral teeth small and 

 indistinct. 

 K. Punctures of head 



clearly defined ... wamahilis 

 KK. Punctures of head 



confused hrevis 



Head rather 

 cealed from above. 



Tapinocis, n. g. 



small, regularly couvex, 

 Eyes coarsely faceted. 



partially con- 

 Rostrum rather 



