40 



A. Stcthidlam omnino indivisam (cotlarc mesolhornx et mc- 

 tathorax coiinata); libiis prisniatirae. 61. Siniiia. 



B. Metatliorax separaliis (cotlare et niesothorax coniiata) ; 



tibio! planee, dilatats, inargine dcnticulat.-c. 



62. Cent rot US. 

 V. Caput horizontale occilis duobus in vertice aiit nullis, ge- 

 nis planis hori^.ontalibiis. Oculi laterales, verticis latera 

 terminantes. Antfnnx inter ocnlos et frontem iiiserla- ^ 

 brevcs, biarticiilata!, apice setigcra:. Siethidium distinctc 

 articulatum , collari niaximo. 



1. Tibio: poaticic uiiidentata; aut bidentatic. 



A. Collare hexagoniim 63, Cercopis. 



B. Collare trapezoidalc 



y4. Ocelli approxiinali 64. Aphrophora. 



ß. Ocelli pariter inter sese et ab oculis rcnioli. 

 65. Ptyela. 



2. TibiiB posticie mutico: 66. Ulopa. 



3. Tibiic posticic plana;, serrato -dentata;. 



67. Ledra. 



4. Tibiae postica; angfiilatae, bifariani spinosx. 



A. Ocelli in pagina Ruperiore capitis inscrti. 

 ^.Hypostoma planum, transversum. 68. Pentliimia. 

 £, Hypostoma oblongum, fronte tumida 



&) Ocelli in medio verticis inserti. 69, Tettigonia. 

 b) Ocelli antici, in suico inserti 70. Euacanthus. 



B. Ocelli nulli, hypostoma oblongum fronte cnnvcxiuscula. 



71. Typhlocyba. 



C. Ocelli in frontis suturis lateralibus aut in hypostoniate, aut 



inmargine antico verticis iuserti; hypostoma planum, gc- 

 nis magnis cxplanatis. 

 y4. Ocelli liberi. 



a) Vertex brevissimus, Ocellis in hypostomate insertis. 



72. Ü y tlio äco p n s, 



b) Vertex lunatus aut trigonus, anticc crassiusculus, ocel- 

 lis in margine autico juxta oculos insertis. 



73. Jassu s. 



c) Vertex antice marginatus, tenuis, occilis in margin« 

 acuto juxta oculos insertis. 



a. Vertice lunato 74. Se Icnocep hal us. 



ß. Vertice trigono, collaris latitudine, fronte intrgra. 

 ' 75. Acucep h alu s. 



y. Vertice amplo dilatato, fronte cariuata. 



76. E upeli X. 



£. Ocelli in fovca marginis anterioris vertici« insertis 

 froDS bftii excavata, acute marginata. 



77. Paropia. 



