DEREODUS. 



119 



3 (10) First joint of funicle longer tban 

 second ; rostrum more or less 

 narrowed from base to middle, 

 its base broader than the nar- 

 rowest part of the forehead. 



■i (9) Eyes more or less convex, but not 

 produced backwards ; middle 

 trochanters simple. 



5 (8) Forehead transversely convex 



and higher than the upper sur- 

 face of the eyes, which are oval; 

 prothorax bisinuate at the base, 

 the disk flattened, the impres- 

 sions deep. 



6 (7) Elytra coarsely punctate, the in- 



tervals narrower than the striae, 

 the dorsal outline strongly con- 

 vex ; eyes more prominent ; 

 elytra of c? narrowing behind 

 from the shoulders sparsus, Boh., p. 121. 



7 (6) Elytra more finely punctate, the 



intervals not narrower than the 

 striae, the dorsal outline much 

 flatter ; eyes less prominent ; 

 elytra of (5 subparallel from the 

 shoulders to the middle and 

 less acuminate behind poUinosus, Redt., p. 121. 



8 (5) Forehead flattened and on a level 



with the upper surface of the 

 eyes, which are almost circu- 

 lar; prothorax truncate at the 

 base, the disli convex, the im- 

 pressions very shallow andamanoisis, sp. n., p. 122. 



9 (4) Eyes very ])romineut and pro- 



duced backwards ; middle 

 trochanters forming a laminate 

 process behind, especially in J. vif/ilans, sp. n., p. 123. 



10 (3) The two basal joints of the 



funicle subequal ; rostrum with 

 its sides subparallel, its base 

 not broader than the forehead. 



11 (12) Eyes very prominent, subconical ; 



pronotum with two rounded 

 fovefe in the middle of the 

 disk ; pale markings on elytra 

 composed of fairly large rounded 

 scales mastos, Hbst., p. 124. 



12 (11) Eyes only moderately convex ; 



pronotum with no discal fovea? ; 

 elytra with only a few scattered 

 minute scales at the base, the 

 remaining surface with dense 

 flue recumbent setffi, the mark- 

 ings produced by yellow pow- 

 dering pidverosus, sp. n., p. 12-j. 



