ArniDID.E OF FDRIIOSA. 



139 



Jul}- t;> tlie 20th day of October, 1918, at ^^■Lut■ll time the greatest uumbers 

 were occasioually I'onnd. 



(Winged viviparous female) 



Many winged forms were ol)served, near Tokyo, ou July 12 and fi'om the 

 end of September until the 18th day of October, 1918. 



(Mnle and oviparous female) 



No sexuales have been observed. Most sexuparse seem to be winged, 

 althongh a few wingless individuals are found. 



(Intermediate) 



One brachypterous viviparous female was found ou July 13, 1918, near 

 Tolcyo. 



(Communal life) 



This species is often tViund in the fissures of the stems, attended by ants. 



(Habit) 



Like other species of Siomcqjliis this species is ciuito inactive, and does 

 not group densely, directing the head up\vard3. 



(Distribution) 



Japan : Tokyo. 



Stomaphis pini Takah. 



Host lAimt.^Pirtufi dcnsifloya : the stems, especially the basal parts, are 

 jittacked. 



This Stomaphis is very scarce near Tok_>-o, whore some winged and a few- 

 wingless viviparous females were oljserved in the fissures of the Ijark of the 

 Finns ou October 26, 1919. It is rjuite inactive, attended by ants, and, the 

 wingless fomales have the haltit of moving the ant(;unac rapidly aud almost 

 continuously-. 



Stomaphis yanonis Takah. 

 The Dobutsugaku-Zasshi (%«<]. Mag. Tokyo), vol. xxx, 359 p. 369 (191S). 

 (Host plant) 



CelHs sinensis: the stems, especially the basal parts, an; attacked. 

 (Season when the insect is common) 



