THYAMIS. 295 



Ovate, convex. Red-yellow, breast and abdomen rather 

 darker ; mouth and last three joints of antennae pitch- 

 black ; posterior femora reddish. Thorax and elytra dis- 

 tinctly punctured. L. 1 1. Not common. 



T. pellucida, Foudr. 



XJ. Antennae entirely red-yellow. 



Ovate, convex. Head and under-side yellow-red ; thorax 

 and elytra red-yellow ; legs pale red-yellow, posterior 

 femora rather less pale. Punctuation strong ; elytra sepa- 

 rately rounded at apex, shoulders rounded. L. 1;^ 1. Not 

 common. T.flavicornis, Steph. 



b. Elytra gaping at apex. 



Ovate, convex. Upper-side red-yellow, elytra slightly 

 paler ; under-side yellow-red ; antennae yellowish at base, 

 reddish at apex ; legs red-yellow, posterior femora reddish. 

 Punctuation strong. L. f — 1 1. Common. 



T. teucrii, All. 



Psylliodes. 



A. Forehead with a semicircular furrow between eyes or 

 without any furrow. 



u. Head dark blue. 



I, Punctuation of thorax rather strong at sides, finer 

 on disc. 



1. Legs black, posterior femora violet. 



Ovate, convex. Dark blue, under-side blackish ; base of 

 antennae reddish-yellow. Elytra with regular rows of 

 punctures, interstices indistinctly punctured. L. 1| 1. 

 Not uncommon. P. dulcamarae, E. H. 



2. Legs red-yellow, apex of front pairs of femora 

 brown, posterior femora bronze-black. 



Short, ovate. Upper-side blue or greenish-blue ; under- 

 side bronze-black ; first four joints of antennae red-yellow, 

 rest brown. Elytra with rows of strong punctures, inter- 

 stices punctured. L. 1^- 1. Moderately common. 



P. chalcomera, 111. 



II, Punctuation of thorax very fine and obsolete. 



Oblong-ovate, convex. Upper-side dark blue, rarely 

 greenish; under-side black, with some bluish or bronze 



