28 (lEODEPIIAGA CAEABIDAE. 



Hoiid triangular, neck thick, base of antennae hairy, the 

 first joint longer than the next two joints together; 

 emargination of mentum with a strong simple tooth ; 

 ligula broader in front, where it is somewhat waved, para- 

 glossae narrow, mucli longer than ligula ; thorax Hat, heart- 

 shaped ; fourth joint of tarsi simple. First three joints of 

 male anterior tarsi slightly dilated, evenly fringed on each 

 side. Folystichus, ]3on. 



C Apical joint of palpi pointed. 



Head oval, neck thick ; base of antennae bare, the first 

 joint rather shorter than next two joints together ; emargi- 

 nation of mentum with a simple tooth; ligula almost 

 straight in front, paraglossae longer than ligula and 

 attached to it nearly to apex; thorax elongate, nearly 

 cylindrical; fourth joint of tarsi slightly emarginate at 

 apex. Anterior tarsi of male very slightly dilated. 



Odacantha, Payk. 



Di'j/ptff. 



Blue; mouth, antennae, and legs red; body pubescent. 

 Head and thoi'ax coarsely, interstices of elytra iinely ])unc- 

 tured. L. 4 1. Not conmion. 1). doitata, lloss. 



JPolf/.sticJnis, 



Brown, with a rust-red longitudinal band from base to 

 about middle oi' each elytron; body pubescent ; abdomen, 

 antennae, and legs rust red. Head and th(irax coarsejy, 

 interstices of elytra finely ])unctured. L. 4 — 5 1. Not 

 connnon. F. vittatvs, lirul. 



OdavaiitlHf. 



HCad ;uid thorax bbie-green ; antennae and palpi lilack, 

 yebowish at basi; ; elytra reddish-yellowy their apex blue- 

 black; breast yellow, alKlomen Itlue-black; legs yellow, 

 knees and apex of tarsal joints ])lack. Thorax coarsely 

 punctured, side margins slightly raised. L. M 1. Toleraldy 

 common. 0. mrlanura, Lin, 



