LeConte.] 



ANTIIOXOMINI. 



195 



A. Body above more or less pubescent, rarely with a few scattered scales. 

 Funicle of antenna; 7-jointcd. 



El} T tra not tuberculate 2. 



Elytra tuberculate, first joint of funiculus very 



long, second short, front thighs bidentate 1. quadrigibbus. 



2. Funicle slender, first and second joints longer 3. 

 Funicle less slender, second joint equal to third.. 6. 



3. Front thighs with a single tooth 4. 



" " bidentate : 



Teeth confluent, elytra pubescent 2. nebulosus. 



Teeth separate, elytra with narrow pubescent 



markings 3. fulvus. 



One tooth and a small cusp; surface thinly pubes- 

 cent, elytral striae fine, head beneath squamose 4. gnlaris. 



4. Elytra with white markings 5. 



Ferruginous, elytral striae deep, interspaces con- 

 vex 5. profundus. 



Black, prothorax densely punctured, sparsely 



squamose 6 ater. 



Black, prothorax coarsely punctured, elytra 



brownish 7. brunnipennis.. 



5. Black, middle and hind thighs not toothed 8. scutellatus. 



Brown or testaceous, with a dark elytral band; 



all the thighs toothed , 9. signatus; 



6. Testaceous, rather densely pubescent 7. 



Thinly pubescent, elytra and legs ferruginous . . 8. 



Thinly pubescent, elytra partly or wholly black. 9. 



Very small, ferruginous, sparsely squamose 21. pusillus. 



7. Thighs strongly toothed, elytra without spots. ... 1O. rubidus. 

 Thighs feebly toothed, elytra with a dark band. . 11. juniperinus. 



8. Elytra opaque, prothorax very coarsely punc- 



tured 12. sycophanta. 



Elytra shining, prothorax less coarsely punc- 

 tured 13. rufipennis. 



9. Elytra with a few small spots of pubescence 1O. 



Elytra uniformly, thinly pubescent, without 



spots 12. 



10. Front foveate 11. 



Front channeled 16. sulcifrons. 



11. Elytra partly ferruginous, striae coarse 14. suturalis,. 



" reddish brown, striae coarse 15. musculus. 



12. Antennae piceous, or nearly black 13. 



Antennae yellow 17. flavicornis. 



13. Elytral striae coarsely punctured 14*. 



Elytral striae finely punctured 18. morulus. 



