LEAF-HOPPERS. 



81 



Family Psyllidae- I • monlj live in a 



on the under Burface •■■ some "f them forming ir:t It 



Fl<;. 07.— tsylhi tripw After Riley. 



arc generally conical, with abroad head, with long, 10-jointed an- 

 tennae and short legs, the hi adapted for springing; the 



Fig 68.- Seventeen-year Cicada. A. larva; a, pupa: b its 

 the back; r, eggs; rf, gashes made for them in a twig \ itural 



after Riley. 



6 



