12G KYOIt'III TAK.VHASHI : 



(Season wheu the insect is common) 



Tliis apliis is nitlier commonly foimd near Tokyo where it is often most 

 ahimJiint at the l.ust of May nuil in June. 



( Winged viviparoas female) 



All the viviparous females of each generation are provided with well 

 develoix'd wings. 



(Male and oviparous female) 



Tlie winged niiiles and W'ingless oviparous fermvles occur, near Tokyo, from 

 the middle ul Octjber t)n. The females outnumber the males as in many otlier 

 plant-lice. Each sexupara often gives birth to bjth nii^les and sexual feimxles. 



(Intermediate) 



No intermediates have liceu discovered. 



(Notes on the life hist )rv near Tokyo) 



The eggs luitch into nymphs at the end of April, the nymphs athiining 

 their adult condition about the 20th day of Ma}'. The nymphal stjige of eac-h 

 of the scx'ond and following generations l;xst; fur abnit two weeks, in one life 

 cycle, about nine gene-rations Inuiig reix'ate.l (me aft(>r another. 



The ^•iviparous fcunales often lx:>gin to produce young soon after the last 

 jnolting and when their Avings are not jvt dried uii. The ovipai'ous females 

 iH'giu to ovijusit a few days later after this ni )lt. This fact is also very 

 (^Jimuml^- to be obsirvi'd among many other C'allipteriua, such as MijzocaUis, 

 Ncopliijllaplcis, etc. 



Each female deposits about 27 eggs upjii the sti-ms of the Mcujndia at 

 the end of October. 



(Habit) 



Tlds aphis, esiKvIally tli(> nympli, is very inactive, resting along the 

 midribs of the leaves, with tlie ]u>a<l directed toward the leaf-ba3*\ 



(Distribution) 



Japan : Tokyo. 



Chromaphis carpinicola Takah. 

 Japuiese Aphidid;...-!, p. 27 (l<dll). ^|S^-?^-fV-i|i^;- Jf p. 21 



