ArillDID^ OF F(lEMOS\. 123 



Myzocallis capitata Essig ot Kmv. 



(Hust pliiuts) 



Qiwrcus serrata, Q. varia^i'dh, Caslancn vulijaris : tlio Idwcv snrfciOL'S of tlie 

 leave", aluDg the luiilrilis, ;ire attiieked, 



(Season wlieu the msect is coiumoii) 



Near Tokyo this species is mther couiiijon, nccMsiouiill}- occnrriug iu large 

 uuml)ers. 



(AViuged viviparous female) 



As in luaDV other Myzocallis, uo wiugless viviparous females luive been 

 fonud. 



(Male aud oviparous female) 



The winged males and v.-ingless i:>viparous females, the latter far outrnuuber- 

 ing the former, appear fi'om the last of October to about the '20th da}" of 

 November. Tlie sexup;u';)e may be seeu until the middle of November. 



(Intermediate) 



No intermediates have lieeu fi.)Uiid. 



(Disti'ibutiiiu ) 



Japan : Tokyo. 



Myzocallis ariindicolens (Cl.uk.) 



H(jst plant. — Bcnnhusa sp. : tho imder surfaces of th<^ leaves are attacked. 

 Near Tokyo this aphis is quite rare, a few winged viviparous females 

 occurring about Jime, and it is extremely difficult to ficd dm'ing other mouths. 



Myzocallis arundinariae Essig. 



Hast plant. — Bamhusa sp. : the lower surfaces of the leaves arc attacked. 

 Many winged viviparous females were collectc^d by Mr. Kuwayama at 

 Uwajima, Shikoku, Japan, iu ^Nlarch, 1919. 



Myzocallis bambusifoliae Takah. 

 (PI. II, B, fig. 6) 

 Host plant. — Bainfmsa sknostachtja. 



