128 ItYOlCllI TAKAHASHI: 



Neochromaphis carpini Takuh. 



Jiipancso Aphidiaae.— 1, v 28 (1921). M^B.-'Mif^M'^^r.'^ P- 24 

 (1921). 



Host phiiit. — Gdi-jiinns JdjMmica, .att.ickiuf; tin- luwer side of the braucli. 



Near Tokyo tliis a])lus is lather nirc. The \iviparous females are always 

 provided with wings, but thc^ (>\ip:irou5 cjues, which occur about November, 

 lU'e apt<a-oiLS. 



The uympks are very iuacti\-e aud ratlicr s<.Hleutar\', like those of Glironviphifi 

 carjnnicola Tak:ili., the adults uot having; tlie ludut cf jumiiiug froiu the host 

 even when disturlied. 



(Distribution) 



Jajxiu : Tokyo. 



Phyllaphoides bambusicola Takah. 



(Host plant) 



Bamhtisa sknostaclaju : the lower surfciees of the leaves are iittacke<l. 



(Seivson when the insect is common) 



Near Tailioku this aphis is t > l)e found uot uucoiumonly in sruall or large 

 numl)ei's alnio.st at any season. It seems to be rather numerous at times. 



(^\'iuged vi^iparous female) 



The winged furms, as Avell ius the wingless ones, occur from time to time 

 throughout the yt;av. These two forms are almost eipial iu number or tlie 

 winged ones a little outnumber the wingless. 



(Wale and oviparous female) 



It is ciiutiiiuously viviparous througliout tlie year, no sexual forms having 

 been observed. 



(Intermediate) 



No intermediates kue l.)een mjticed. 



(foiumiiual life) 



Tliis six'cios is .sometimes found associateil v\itli Aphis ha7nJjm:ic Full. 



(Habit) 



Tliis aphis is gi-egarious, directing the head in various directions; it is 



