Pomona College Journal of Entomology 



4U1 



and dark. Stigma long and as dark as costal veins. Other veins slender 

 and brown. Secojidary — Length, 2.5 mm., width, 0.7 mm. .S/v/«' — Dark, 

 longer than half the length of the cornicles. 



Apterous I'iviparous I'emale. (Fig. 13*'.) Length, 2.5 mm., width, 1.5 mm. 

 Prez'aiUng color — Wine-red, maroon, to a dark reddish brown, throughout 

 the body proper. Shiny. Antennae — Slightly shorter than those of the 



Flgtire 139. Aphis nidtieckiae, apterous viviparous female. 



Figure 140. 

 A, antenna of winged viviparous female; B, antenna of apterous viviparous female 

 of Aphis rudbockiae; C, antenna of winged viviparous female; D, antenna of apterous 

 viviparous female, of Aphis lutescens. 



