454 CLAVICORNIA — COLYDIIDAE. 



Ji, Thorax not very closely punctured, with four impres- 

 sions at base, the outer ones reaching middle. 



Oblong, nearly cylindrical. Ked-brown, shiny. Each 

 elytron with eight punctured striae, punctures all large and 

 deep. L. IJ 1. Eare. 0. caesus, Er. 



Aglenus, 



Brown-red, shiny, without pubescence. Thorax fully as 

 long as broad, rather closely punctured, elytra indistinctly 

 punctured. L. f 1. Common. A. hrunncus, Gyll. 



lIYMMECOXJEJVmiJS. 



Antennae eleven-jointed, eighth joint rather larger than 

 preceding ones, last three forming a moderately large club; 

 head sunk to eyes in thorax, latter more or less narrowed at 

 l)ase, nearly heart-shaped; first three tarsal joints gradually 

 diminishing in length. Myrmecoxenus, Chevr. 



Myrmecoxetius, 



Unicolorous yellowish; flat; punctuation strong. L. 

 1 1. Rare. M. vaporariorum, Guer. 



CEJRYLIiyES. 



Antennae with ten joints, the tenth Ibrming a tliick knoV), 

 Maxillary palpi with third joint large, oval, fourth small, 

 awl-shaped; ligula dilat3d, rounded in front. Cerylon, Latr. 



Cerylvn. 



A, Thorax and elytra black. 



a. Eighth stria on elytra present. 



Head pitchy, antennae and legs l>rown-red. Thorax 

 narrowed in front, rather diffusely and irregularly punc- 

 tured, with two slight impressions at base ; elytra with 

 punctured striae, effaced at apex. L. 1 — 1\ 1. Common. 



C. histeroidcs, Fab. 



h. Eighth stria on elytra absent. 



Pitch-black, shiny ; head pitch-brown ; antennae and 

 legs reddish. Similar to C. histeroides, but with thorax 

 narrowed from base to apex, basal impressions much 



