54 



CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



A hind t. 



EOE del. 



Figure 7. — Macrosiphum rudbeckice (Fitch). Apterous viviparous female. 



Macrosiphum, species 



This is a large bright yellow species represented only by 

 apterous viviparous females. The antennae are black with 

 from 1 to 4 sensoria near the base of III. Cornicles black, 

 slightly constricted near their tips, 0.2 mm. long. Cauda yel- 

 low, 0.12 mm. long. Length of body 2.2 mm., width 1.3 mm. 

 On Noazami, Cnicus japonicus Maxim, (listed as Cirsium 

 japonkum DC), Tokyo, Aug. 4, 1913. Collection number 100. 



Myzus, species 



A few apterous viviparous females of a green species were 

 taken on Momo (peach tree), Nishigahara, Tokyo, May 15, 

 1913. Collection number 43. 



