New Genera and Species of Neotrojncal Cnrculionidae. 205 



16. (13) Elytra without regular even costae. 



1-7. (18) Prothorax parallel-sided from base to beyond middle, then 

 narrowed to apex; elytia with no prominence at the 

 apex of interval 5, and the line between the external 

 basal and humeral angles straight; rostrum parallel- 

 sided; ujipcr surface with black or brownish grey 

 scaling; legs red- brown, loiees and tarsi darker; length 

 8-10 mm lindigi KiriiGh{18S9). 



18. (17) Prothoi'ax strong!}' rounded at the sides, broadest at the 



middle; elytra with a small prominence at the a^^ex of 

 interval 5, and the line between the external basal and 

 humeral angles strongly sinuate; rostrum widened in 

 front; upper surface with more or less green scaling; 

 legs black; length 16-17 mm. 



rmrshalli Bovie (1908). (Plate IV, fig. 9.) 



19. (8) Each elytron with an obtuse rounded tubercle at the apex. 



espeldiae Kirsch (1889). 



20. (7) Apical joints of funicle clavate or subcorneal; apices of 



elytra strongly produced (except in pyriformis). 



21. (22) Ajjices of elytra jointly rounded, elytra broadest far behind 



the middle ($) pyriformis, sp. ii. 



22. (21) Apices of elytra each produced into a long process, elytra 



broadest at or before the middle. 



23. (26) Funicle with the two basal joints equal. 



24. (25) Rostrum iiarallel-sided, with no median furrow, but v/ith a 



low median costa; prothorax distinctly impressed on 

 the disk and there quite devoid of tubercles; clj'tra 

 broadly ovate, the apical processes long and very sharp, 

 and the humeral a.ngles acute; scaling dense and dull 

 green all over inflatus, sp. n. 



25. (24) Rostrum gradually widened from base to apex, with a 



broad deep median furrow ; prothorax scarcely impressed 

 on the disk and there rugosely tuberculate ; elytra 

 narrowly subcylindrical, the apical processes com- 

 paratively short and obtuse, and the humeral angles 

 rounded; scaling brownish grey above and green at 

 the sides cylindricus, sp. n. 



26. (23) Joint 2 of funicle longer than 1. 



27. (38) Interval 5 not carinate. 



28. (37) Mandibular scar sessile or slightly raised. 



29. (30) Elytra constricted close to the base, without any humeral 



angle and with the external basal angle maikedly 

 produced outwards and forwards . . . Diasoni, sp. n. 



30. (29) Elytra not so constricted, the external basal angle not 



