PHYLO'GENY OF THE ANTEOHINAE 
341 
Group IV comprises Pseudogonatopus and related apterous 
genera as well as Bchthrodelphax and related winged genera. This 
group is very similar to the preceding but is differentiated at once 
by the character of the chela j the claw of which is lamellate or 
serrate (Fig. 56, 6). Fulgoridae only are parasitized. 
Department oe Entomology, 
Iowa State College. 
