PSYLLIODES. 297 



Ovate. Reddish-yellow ; elytra, tibiae and tarsi paler. 

 Forehead strongly punctured ; punctuation of thorax finer 

 and closer than in P. hijoscyami ; elytra with regular rows 

 of punctures, interstices finely punctured ; apical process of 

 posterior tibiae broad and hollowed out toward end, with a 

 fine, pointed tooth in middle. L. If — 2\ 1. Rather com- 

 mon. P. marcida, 111. 

 11. Thorax strongly punctured. 



Oblong-ovate. Upper-side bronze-green ; under-side 

 bronze-black ; base of antennae and legs red-yellow, pos- 

 terior femora black. Interstices on elytra finely punctured. 

 L. 1 — 1| 1. Common. P. cupronitens, Forst. 



jB. Forehead with a straight furrow between eyes. 



Oblong-ovate. Bronze or black ; front pairs of femora 

 brown, posterior femora bronze, tibiae and tarsi red-yellow. 

 Thorax very finely punctured, a little more strongly at 

 sides ; elytra with rows of rather shallow punctures, inter- 

 stices finely wrinkled. L. 1\ 1, Scarce. 



P. instabilis, Foudr. 



C Forehead with two diagonal furrows, crossing X-like in 

 middle. 



a. Thorax green or bronze ; suture of elytra not black. 



Oblong-ovate. Bronze-green above ; apex of elytra 

 reddish ; under-side black ; antennae and legs yellow-red, 

 former brownish at apex, latter with posterior femora 

 bronze and base of front pairs of femora often brown. 

 Thorax distinctly punctured ; elytra with rows of strong 

 punctures, interstices distinctly punctured and wrinkled. 

 L. 1 — 1;^ 1. Not very common. P. attenuata, E.H. 



b. Thorax pale red-yellow ; suture of elytra black. 



Oblong-ovate, not very convex. Head, suture of elytra, 

 under-side and posterior femora black ; thorax and rest of 

 elytra, whole of antennae and rest of legs pale red-yellow. 

 Thorax distinctly and closely punctured, often with an im- 

 pression on each side at base ; elytra with regular rows of 

 deep punctures, interstices finely punctured. Whole of 

 upper-side sometimes yellow. L. 1 — 1| 1. Common. 



P. a/finis, Payk. 



X). Forehead with a round depression between eyes. 



a. Posterior femora yellow-red. 



