PLATE XXX 



1-8, Types of sculpturing in Membracidae 



9, Position of head in Entylia bactriana Gerraar; 10, in Ceresa 6m/)«??<s Fabricius; 11, 

 Enchenopa binotata Say; 12, in Gargara nigrofasciata StSi 



13, Typical frontal view of membracid head 



14, Position of ocelli in Heteronotus strigosa Butler; 15, in Darnis partita Walker; IG, 

 Hyphinoe cornuta Distant; 17, in Nassunia bispina Fairmaire 



18, Structure of antenna 



19, Cephalic view of head 



29S 



