84 SEEKICORNIA. 



continuous ; the posterior ridge is very distinct — after turning a little from the hind 

 angles it is directed straight forwards, stopping abruptly about the middle of the length 

 of the thorax. The elytra are asperate-punctate, but not so densely as in A. molestus ; 

 the subcosta is well marked ; each elytron has three not very distinct greyish-yellow 

 spots — one at the base, the second elongate, its posterior part at the middle of the 

 elytra, and the third slightly oblique, halfway between the second and the apex ; the 

 apex is reddish-coppery and shining (some examples, however, scarcely show this), and 

 its margin is finely denticulate. The prosternal chin-piece is rounded. The prosternum 

 is finely punctured, the punctures not crowded ; the intercoxal process is rather flat. 

 The metathoracic episterna have the outer third finely punctured and pubescent, the 

 rest smooth and shining. The abdomen is finely and not very closely punctured. 



51. Agrilus subguttatus. 



^neus, depressus, parum nitidus ; capite crebre punctato, antice planato, <$ viridi ; thorace transversim crebre 

 ruguloso, punctulato ; elytris sequaliter asperato-punctatis, maculis quatuor parum conspicuis griseis 

 ornatis. 



Long. 2±-2± lin. 



Hab. Mexico, Misantla, Oaxaca (Edge), Cordova, Juquila (Salle). 



The head in the male is light green in front, dull and extremely finely rugose, as if 

 frosted ; in the female the sculpture is coarse, consisting of irregular, curved, and wavy 

 rugse. The thorax is convex, with no impressions on the disc ; the posterior ridge is 

 very distinct, shining, nearly straight. The elytra are rather flat, with the subcosta not 

 very distinct; each elytron has an oblong yellowish-grey pubescent spot just before the 

 middle and an ovate spot a little nearer to the apex than to the first spot, and the 

 apex oblique inside and outside and finely serrate. The prosternal chin-piece is 

 rounded. The prosternum is closely and finely (slightly roughly) punctured, and 

 somewhat pubescent. The metathoracic episterna are finely punctured and pubescent, 

 with the posterior angle smooth and shining. The abdomen is delicately and not very 

 closely punctured. 



The male examples have the spot at the middle of the elytra much less distinct than 

 in the female. 



52. Agrilus errans. 



Olivaceo-aeneus, parum nitidus ; capite antice viridi ( tf ) vel cuprascente ( $ ), ruguloso et punctato ; thorace 



undatim striolato et punctato ; elytris crebre asperatis, maculis duabus pallidis pone medium notatis. 

 Long. 2| lin. 



Hab. Panama, Volcan de Chiriqui 4000 to 6000 feet (Champion). 



The front of the head in the male is golden-green, rather flat, densely and extremely 

 finely rugose, with some fine punctures scattered over the surface ; in the female it 

 is coppery, and similarly finely rugose, but the surface is marked with undulating 



