EXPLANATION OF PLATE a 
Ic? | 1.—Alate female showing relative size of parts. 
,  2.—Cauda and cornicles of alate female. 
»  3-—Antenna of alate female. 
»  4-—Antenna of syplee eine female. 
Myzus persicae Sulz), p. 166. 
Fic. 5.—-Cornicle of alate female. 
„  6.—Antenna of alate female. 
, . 7. Wings. - 
,, 8—Antenna of alate male. 
»  9-—Head and antenna of apterous female. 
, 10.—Third joint of antenna of alate female. 
» i1.—Cornicle of apterous female. 
„ 12.—Cauda of alate female. 
Rhopalosiphum lactucae (Kalt. ), p. > 
