80 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



Nymphs — Pale-yellow. 



Host plant — Aki-Karamatsii, Thalictrum minus Linn. 



Locality — Nishigahara, Tokyo. 



Date of collection — August 4, 1913. 



Collection number — 101. 



Aphis, species 



But two winged viviparous females with antennae missing 

 were received. The color is given as bright yellow with dark 

 head, antennae, thorax, cornicles and portions of the legs. Cor- 

 nicles and Cauda are short, the latter broad. This species was 

 taken from pseudogalls made on the upper surface near the 

 midribs of cherry leaves, Nishigahara, Tokyo, May 19, 1913. 

 Collection number 46. 



Aphis, species 



This species is represented by a few apterous viviparous 

 females, described as green in color with pale green cornicles 

 having black tips. It was collected on strawberry, probably at 

 Nishigahara, Tokyo ( ? locality omitted), May 13, 1913. Col- 

 lection number 31. 



Toxoptera aurantii Fonsc.^ 



This species was collected on Skikimi, lUicium anisatum 

 Linn., at Nishigahara, Tokyo, May 17, 1913. Collection num- 

 ber 45. 



Toxoptera piricola Mats. 



Figure 22 



Winged viviparous female — From two good specimens. 

 Length 1.6 mm., width 0.65 mm. Prevailing colors black and 

 dark green. Head black. Antennae black with articles I, H 

 and the extreme base of HI dusky or pale, imbricated, with few- 

 hairs and many sensoria ; lengths of the articles : I, 0.05 mm. ; 

 II, 0.07 mm. ; III, 0.41 mm. ; IV, 0.27 mm. ; V, 0.21 mm. ; VI, 



3 T. aitrantia Koch is a synonym of this species. See W. P. Phillips and J. J. 

 Davis, Tech. Ser. no. 25, pt. 1, Bur. Ent. U. S. Dept. Agric, p. 8, May 4, 1912. 



