new Neotropical Curculionidae. 467 
so that the sides appear deeply 
sinuated ; humeral slope forming an 
angle with the base .............. sordidus, sp. nl. 
17 (14). Front femora with a more or less dis- 
tinct tooth. 
18 (19). Prothorax a little broader than long, 
the sides gently rounded in the 
middle; head distinctly impressed 
behind the eyes...........065 +... sempler, sp. 0. 
19 (18). Prothorax slightly longer than broad, 
the sides straight from the base to 
beyond the middle. 
20 (25). Elytra with the dorsal punctures 
plainly visible through the scaling ; 
the scape not broader than the middle 
of the front tibie; the prothorax 
without dorsal impressions. 
21 (24). Elytra with the alternate intervals 
distinctly more raised, 
22 (23). Interval 1 of the elytra raised through- 
out and much higher than interval 3 
at the top of the declivity, when seen 
in profile; each elytron with a broad 
dark stripe from the shoulder to the 
middle, then bent in to the suture.. znclusus, sp. n. 
23 (22). Interval 1 of the elytra not raised ex- 
cept on the declivity, and there 
scarcely as high as interval 3; elytra 
whitish or pale sandy, usually with 
Pete lew, WEOWHOSPOLS "te. oes 4 oss «s subguttatus, sp.n. 
24 (21). Elytra with all the intervals approxi- 
PME LYS ON OH) es dn cis © cals vicie se anes @quus, sp. 0. 
25 (20). Elytra with the dorsal punctures en- 
tirely obliterated by the scaling; 
the scape much broader than the 
middle of the front tibiz ; prothorax 
with four shallow dorsal impressions. scapularis, sp. nu. 
26 (13). Elytra without any basal transverse 
impression, the basal margin verti- 
cally truncate, its upper edge not 
PUCCINI aa ear ates shag viet ate 6 Nm is bolivianus, sp. 0. 
Subfamily Cerrrorruyncuin2. 
STYRACOPUS, gen. nov. 
Head not concealed from above, the eyes distant. Rostrum 
short and stout, its apex about as broad asthe eye. Antenne 
with the scape reaching the eye, the funicle 7-jointed. Seu- 
tellum minute. /ytra short, with prominent shoulders ; the 
tenth stria abbreviated. Sternum with the rostral furrow 
reaching the middle cox ; the mesosternum forming a cup- 
like cavity and not extending backwards beyond the middle 
of the coxe; the metasternum between the coxe as long as 
32* 
