Vol. VIII] ESSIG & KUWANA—SOME JAPANESE APHlDIDAi 



83 



W corn, type 



Figure 23.— Chaitophorus japonica, new species 



'S A corn. 

 i 

 » EOE del. 



Tarsi and apices of the tibiae and femora black, the remainder 

 of the legs pale. Abdomen dark with yellow patches around 

 the cornicles. Cornicles dark, imbricated, widest at the base, 

 0. 1 mm. long. Cauda dark, inconspicuous. 



Apterous viviparous females (Paratypes) — Two rather 

 poor specimens. Length 1.3 mm., width 0.9 mm. Prevailing 

 color shiny black. Body covered with long hairs. Antennae 

 about the same color as in the winged form and as hairy; 

 lengths of articles: I, 0.10 mm.; II, 0.05 mm.; Ill, 0.4 mm.; 

 IV, 0.25 mm.; V, 0.24 mm.; VI, 0.33 mm. (base 0.12 mm., 

 filament 0.21 mm.) ; total 1.37 mm. Cornicles dark, imbri- 

 cated, somewhat constricted near the middle, 0.13 mm. long 

 and 0.16 mm. diameter at base. 



Host plant— Enko-Kaede, Acer picium Thunb. 

 Locality — Nikko. 

 Date of collection — June 9, 1913. 

 Collection number — 86. 



