PIITLHYDRUS. 131 



-/?. Elytra yellowish or brownish, with hlack siit\iro, or 

 Mack, with yellow side margin. 



a. Head black, with a distinct yellow spot on each side 

 of clypeus before eye. 



Oblong oval, closely punctured. Black ; tliorax and 

 elytra yellowish, former brown on disc, latter with black 

 suture ; base of antennae and the ])alpi yellow, latter some- 

 times with second joint and middle of last one a little 

 clouded ; tibiae pitchy, tarsi yellowish. L. If 1. Common. 



P. suturalis, Sharp. 



h» Head black, without light spots. 



jT. Last joint of palpi black. 



Allied to P. suturalis but smaller, thorax darker, elytra 

 browner in colour, with punctuation of upper-side slightly 

 more marked. P. inargincllus, Th. 



II. Palpi entirely yellow. 



Black ; sides of thorax and of elytra yellowisli. L. In 1. 



P. ovalis, Th. 



Enochrus. 



Head black ; antennae yellowish, club gray ; tliorax and 

 elytra reddish-yellow. Closely and finely punctured. L. 

 2\ 1. Not uncommon. E. hicolor, Payk. 



Paraeyni/)(s. 



Bronze-brown ; antennae rust-red, club gray. Piather 

 closely punctured ; front pairs of femora rather thickly 

 pubescent on their basal half. L. 1 — 1| 1. Kather 

 common. P. aeiietis, Germ. 



Anacaena, 



A. Thorax black, sides paler. 



ci. Elytra black, sides paler; tarsi (especially posterior 

 pair) rather stout. 



Nearly hemispherical. Head l)lack ; base of antennae 

 red-yellow ; palpi red-yellow, last joint pitchy ; legs red. 

 L. 1| — 1| 1. Common. A. limhata, Fab. 



h. Elytra pitchy or pitch-brown ; tarsi slender. 



K 2 



