AmerigAna 



VOL, V. 



BROOKLYN, FEBRUARY, 1889. 



NO. 2. 



A GENERIC SYNOPSIS OF THE FULGORIDiE. 



By Wm. H. Ashmead. 



(Continued from p, 6.] 



(Family II. FULGORIDiE.) 



Subfamily VI. DICTYOPHARIN^. 

 TABLE OF GENERA, 



Head as broad as the prothorax, arcuated before G. i. Cladypha, A. et S. 



Head narrower than the prothorax. 



Elytra with small and qnadrant^ular cells of the same size ; head rather small, 



rounded before G. 2. Pterodictya, Burm. 



Elytra with forked nerviires and elongated cells, less numerous at their basal 

 half; head more or less prolonged beyond the eyes. 



Elytra not separated into two parts by an elevated line 2. 



Elytra divided into two parts by an elevated, transverse line 



G. 3. Dichoptera, Spinola. 

 Elytra with basal cells somewhat elongated beyond the middle, followed by three 



rows of very small cells, narrow and arranged in a concentric half circle 



G. 4. Lappida, A. et S. 



l-'.lytra with the discoidal flap with an infinite number of anastomosing veins or 



ramifications, extending in all directions and distributing into an infinite 



number of cellules of different shape G. 5. Plegmatoptera, Spinola. 



Elytra not having three rows of cells arranged in a concentric circle at their ex- 

 tremity. 



Cephalic prolongation in a pointed or subcylindric cone ; vertex narrow 



G. 6. Dictyophara, Germar. 

 Cephalic prolongation but slightly longer than wide, rounded before ; vertex 



large, flattened, facetted G. 7. Monopsis, Spinola. 



Cephalic prolongation long and slender ; head with a distinct callosity behind 



the eyes ; vertex with the lateral margins slightly dilated 



G. 8. Scolops, Germar. 



