13 
(Howard.) 
Fig. 2.—Mytilaspis pomorum: a,b, females; c, scales on twig; d, male scale. 
(Howard, ) 
details. 
’ 
d 
a; e, female; 6 and 
lary 
C, 
aspis pomorum: a, male; 
Fig. 3.—Mytil 
