No. 34-] HEMIPTERA OF CONNECTICUT I FULGORIDAE. 45 



Tibia 



Movable 

 Spur. 

 orCalcarl/ i-^ Tarsus 



Fig. 3. Liburniella omata Stal, — Leg and antenna greatly enlarged. 

 Drawn by Dr. Philip Garman. 



Key to Genera. 



Lateral carinae of the pronotum attaining the hind edge or becom- 

 ing obsolete a little within the margin 2 



Lateral carinae of the pronotum deflected outwardly behind the 

 eyes, not directed toward the hind edge 8 



Median carina of the front normally narrowly forked below the 

 apex of the head, the branches usually obscure where they pass 

 over the apex ; lateral carinae of the pronotum sometimes 

 abbreviated at about the middle of the pronotal disk; face with 

 a pale band crossing the base of the clypeus Pissonotus, p. 48 



Median carina of the front running to the apex of the head ; face 

 without a transverse pale band on the base of the clypeus 3 



Front narrow or a very little wider below ; the sides rectilinear 4 



Front broader below or oblong 5 



Vertex produced for nearly or quite one-half its length before the 

 eyes; lateral carinae of the pronotum rectilinear .Stenocranus, p. 46 



Vertex scarcely surpassing the eyes; lateral carinae of the pro- 

 notum bowed outward on the disk Stobaera, p. 51 



Front oblong, a little wider above the antennae; apex of the head 

 rounded, the carinae nearly obsolete there Kelisia, p. 46 



Front ovate or distinctly wider below near its apex ; apex of the 

 head produced, sharp, the carinae there prominent 6 



Form slender, linear ; vertex produced before the eye for nearly 

 or quite the length of the eye, conical at apex ; the median carina 

 obsolete and not continued over to the front; front elliptical, 

 its base acute, the apex truncated, the median carina obsolete 

 or nearly so Megamelanus, p. 47 



Form sometimes slender ; vertex less produced, truncated at apex, 

 the lateral carinae of the front continued over on to the vertex 7 



Front ovate, its sides much arcuated below, nearly rectilinear 

 above to the narrow base ; form slender Prokelisia, p. 47 



Front less widened to its apex ; form broader ovate 



Megamelus, p. 48 



Front with one median carina 9 



Front with two median carinae 12 



Anterior and sometimes the intermediate tibiae f oliaceous 



Phyllodinus, p. 50 



Anterior and intermediate tibiae slightly if at all expanded 10 



