May, 1879] 2G5 



DESCraPTION OF TWO NEW EUEOPEAN SPECIES OF FSYLLIDM. 



BY JOHN SCOTT. 



Genus TEIOZA, Forst. 

 Trioza dicheoa. 

 ^ . Black. Face-lohes long, projecting somewhat forward, some- 

 what stout at the base, apex acute, almost as long as the crown down 

 the centre ; divergence not so great as the base of either. Anienncs 

 white, 1-2 joints black, apex of the latter white, from about 5-8 

 brownish, 9-10 black. Elytra clear, transparent, apex somewhat acute, 

 about 2\ times as long as broad ; costal margin considerably convex 

 from the base to the apex, and forming a continuous curve, dorsal 

 margin slightly convex from the apex to the inner branch of the dorsal 

 fork, then slightly concave to the claval suture where it recurves to 

 the base ; nerves fine, slightly brown, especially towards and at their 

 apices ; radial cell lanceolate ; nervelets brown or fuscous ; exterior 

 branch of the dorsal fork forming a long curve. Legs pale yellow. 

 Abdomen and genitalia green. 



Head : croton and face-lobes black, the latter long, projecting slightly forward, 

 viewed from the side very slightly concave on the anterior margin ; almost as 

 long as the crown down the centre ; somewhat stout at the base, apex somewhat 

 acute ; divei'gence not so great as the base of either. AntenncB white, 1-2 

 joints black, apex of the latter white, from about 5-8 brownish, 9-10 black. 



Thorax : pro- and mesonotum black, except the apical portion of the latter, which is 

 pale yellow. Elytra clear, transparent, about 2\ times as long as broad, apex 

 somewhat acute ; costal margin considerably convex, and from base to apex 

 forming an almost continuous curve ; dorsal margin slightly convex from the 

 apex to the inner bi'anch of the dorsal fork, then slightly concave to the claval 

 suture, where it recurves to the base ; radius slightly convex towards the dorsal 

 margin ; radial cell lanceolate, length of the cell, measured on the costal margin, 

 a little longer than the distance between the apex of the elytron and that of 

 the cell ; nerves slightly brown, especially at their apices ; nervelets brown or 

 fuscous ; exterior branch of dorsal fork forming a long curve. Sternum pale 

 yellow or slightly brownish. Legs pale yellow ; tarsi — 1st pair generally black. 



Abdomen green ; genitalia green, processes, viewed from the side, broad, somewhat 

 rectangular ; length about 1^ times the breadth of the base, outer margin con- 

 cave at the apex, so that it appears to be produced into a short tooth; inner 

 margin with a minute blackish spot at the apex ; genital plate as high as or a 

 little higher than the processes, base broad, apex narrow, exterior margin some- 

 what " ogee "-shaped, apex acute, upper margin concave. 



? . Pale yellowish-green. Eyes purplish. Face-lobes pale, slightly projecting 

 forward and somewhat concave on the anterior margin, as in the other sex. 

 Leys pale ; tarsi — 1st pair pale, 2nd joint black ; 3rd pair, tilicB — Vandykes 

 (or frills) at the apex black. 



All the other characters as in the £ . Length, 1 Line. 



Astrakan. 



