38 



/ 36 



40 



Fig. 34. — Aphis varians green variety (28-J3) ; Fig. 35. — A. San- 

 dorni (23-13); Fig. 36. — Macrosiphum lactucae from gooseberry (27-13); 

 Fig. 37. — Myzus dispar (29-13) ; Fig. 38. — M. lactucae from currant 

 (20-12) ; Fig. 39.—^. varians (24-09) ; Fig. ^O.—Rhopalosiphitm lac- 

 tucae from Sottckus (86-10) ; Fig. 41. — Myzus ribis (25-09). 



