APHIDIDAE OF SOUTHERN CALIFORNIA V. 



337 



— Rises from near the distal end of the stigma and is regularl)' curved to 

 the margin. first and Second Discoidals — Straight. Third Discoidal — 

 Nearly straight, twice forked, the first fork not far from the sub-costal, the 

 second fork near the margin of the wing. Secondary — Length 2.5 mm., 

 width 0.7 mm. Sub-Costal — Nearly straight and extending to the wing-tip. 

 first and Second Discoidals — Straight, extending from the sub-costal to the 

 margin. Style — Long, stout, and curving slightly upward. 



.iptcrons ]'ii'iparous female: (Fig. 125 B). Length 3 mm., width 

 1 mm. Differs from the winged form in the following: Antennae — all joints 



Figure 125. Nectarophora pisi. 



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

 female; C2, antenna of winged female; C'3, antenna of .young female; D4, corniele of 

 apterous female; D.5, corniele of winged female; D6, corniele of young female. 



