358 



Dr. Malcolm Cameron 07i 



12. 



13. 



16. 



17. 



18. 



Tongue elongate. Labial palpi obscurely 

 3-jointed ..... 



1st joint of labial' palpi not constricted 

 at the inner border. 



1st joint of labial palpi constricicd at 

 the iiinei- border .... 



2nd joint of the labial pa]]ii distinctly 

 shorter than the 1st ; tongue narjowed 

 at the base, widened towards the apex. 

 Facies of Homalota .... 



2nd joint of the labial palpi as long or 

 longer than the 1st. 



Tongue very narrow, elongate, parallel. 

 Facies of Placusa .... 



Tongue broadei', narrowed at the base, 

 widened towards the apex. Facies of 

 Neosilusa ..... 



Mesosternum finely carinate. 



Mesosternum not carinate. 



Elytra distinctly sinuate, the sides with 

 3 long and strong setae. Tongue 

 broad with rounded sides, narrowed 

 at the base, nearly bilobed. Labial 

 palpi 3-jointed, the 3rd joint minute, 

 subulate ..... 



Elytra distinctly sinuate, the sides with- 

 out long setae. Labial palpi 2-jointed. 

 Labial palpi not styliform, the 2nd joint 

 as long as, but narrower than the 1st. 

 Tongue bifid nearly to the base. 

 Right mandible with a small tooth. 

 Facies of Pseudoligota 



Labial palpi styliform, the 2nd joint 

 longer than the 1st. Tongue narrow, 

 bifid for half its length. Right 

 mandible with a small tooth. Facies 

 of Neosilusa 



Tongue simple. 



Tongue bifid. 



Tongue short and broad, halbcrd-shaiied, 

 labial palpi 2-jointed, the 1st joint 

 short and broad, the antero-external 

 angle prominent and with a strong 

 seta, the inner border constricted before 



Heterota Rey. 



12. 

 Chledophila Cam. 



Mimomalota Cam. 



13. 

 Pseudoplacusa Cam. 



Deralia Cam. 

 15. 

 17. 



Adelarthra Cam. 

 16. 



Stemotropa Cam. 



Prosilusa Cam. 

 18. 

 20. 



