110 RHYNCHOPHORA — CURCULIONIDAE. 



h b. First two abdominal segments soldered 

 together. 



Peduncle of submentum broad and tolerably long ; head 

 elongate behind eyes, rostrum more or less robust and 

 dilated in front, scrobes placed high, broad, deep ; pygidium 

 not covered, tibiae with one or two hooks at apex ; tarsal 

 claws soldered ; fifth abdominal segment nearly always 

 very small. Attelahides. 



II, Pygidium covered by elytra. 



1, Metasternum more or less long, its episterna 

 generally at least moderately broad. 



A A, Antennae not elbowed. 



Peduncle of submentum slender and prominent ; head 

 more or less elongate Ijehind eyes ; rostrum long, curved, 

 cylindrical, scrobes roundish, more or less distant i'rom 

 mouth ; scape of antennae short, funiculus with seven 

 joints, seventh free ; eyes distant from thorax, nearly 

 rounded ; scutellum very small ; apex of tibiae not hooked, 

 truncate ; third tarsal joint broader than second, claws 

 free ; first two abdominal segments soldered together; 

 episterna of metathorax very narrow ; epimera of meso- 

 thorax small. Apionides. 



-B S, Antennae elbowed. 



a a. Tibiae compressed, bisinuate on inner- 

 side, hooked (generally strongly) at apex. 



Peduncle of submentum more or less prominent ; rostrum 

 almost always at most moderately robust, rounded at angles 

 or cylindrical, scrobes linear, deep, straight, oblique ; funi- 

 culus of antennae with seven joints, seventh often attached 

 to club ; eyes transverse ; base of thorax generally bisinuate ; 

 tarsal claws free or soldered ; insects nearly always winged. 



Hylohiides. 



b b» Tibiae more or less rounded and not 

 sinuate on inner-side. 



A a. Tarsal claws nearly always soldered ; 

 antennae imperfectly elbowed. 



Peduncle of submentum more or less prominent ; rostrum 

 variable, scrobes linear, deep, turning on to under surface 

 and often meeting behind ; funiculus of antennae either 

 with joints gradually enlarging and merging in club or 



