Figures 467-475. — Phytobia prunivora : 467, Aedeagus, 
side view; 468, same, ventral view; P. 
f lavohumeralis : 469, Aedeagus, side view; 470, 
same, ventral view; P. pruinosa : 471, Aedeagus, 
side view (holotype) ; P. betulivora : 472, Head; 
473, epistoma; 474, aedeagus, side view; 475, 
posterior spiracles of puparium (ex Betula nigra . 
District of Columbia). 
