Vol. VIII] ESSIG & KUWANA—SOME JAPANESE APHWIDJE 



93 



type 



EOE del. 



W an. plate 



Figure 29. — MyzocalUs knricola (Mats.) 



drawing; radial sector vein so very faint as to appear entirely 

 absent : length of the front wings 2 mm. Abdomen pale green 

 with three or four pairs of large black tubercles on the sides in 

 front of the cornicles (the number is difficult to make out on 

 the mounted specimens on hand) ; these tubercles bearing 

 several spines. Cornicles dusky, widest at the base, somewhat 

 constricted before the mouth which is slightly flared, 0.08 mm. 

 long and 0.10 mm. in diameter at base. The paratypes also 

 show that the diameter of the base is usually as great or slightly 

 greater than the length. Cauda distinctly knobbed, dusky, 0.06 

 mm. long. Anal plate normal. 



Nymphs — Pale green, the bodies covered with long hairs 

 some of which have small knobs at the ends. 



Host plants, localities, etc. — The material was collected 

 in two lots as follows : 



1. On Kuri, Castanea sativa Mill, (listed as C. vulgaris 



japonica A. DC), and on Kunugi, Qiiercus serrata Thunb., 



Nishigahara, Tokyo, June 5, 1913. Collection number 76. 



