PS KVOICm T.VKAn.V^Ul: 



MiUiy briiobypterous forms or other iutonnediatjs are oljserved among the 

 jLJilcs, although the)- are only i-nrely found among the vivipirous females. 



(Xotfis ou the life history iU5 observer! near Tokyo) 



The eggs luitch into young iij-mphs fi"om the luiddle or tlio h^st of 

 Febriiarv on. Tlu'so nymphs move upward on the hosts and lociite themselves 

 uvx)U the under surface of the apiod portions of tlin Ijranchos. The adult? of 

 the fii'st generation (stem-mothers) wliich are always wiughss, and are often 

 provided with only 5 — jointed antennae, occur fii-om aljonfc lOtli day of April 

 on. The second generation cju^ists of botli wingless and winged forms, the 

 Litt.'r far outnumlx;riug the former and tlio adult? appL-aving fi'om the middle 

 of Mav 0:1. MoSj individuals of the third and fourth generations are wingles^, 

 while a few are winged and all of tlie i:(th and subsequent generations and the 

 sexuparao ai-<^ wingless. 



The ovipiroiis females outnumber the males and like the stem-mothei'S 

 ;u'e often provided with u — jointed antennae. The eggs are deposited u^wu 

 the tuider surface of the lirauclies and wh(>n newly ]irodi;cod have a pale 

 yellowish colour, later darkening to a deep Ijlack. E^ich ovipmvius female 

 deposits fi'om about three to ten eggs. 



(Percentiige of hathching) 



Of 330 eggs under my observation indoors 121 1910, 241 hatchiKl inti 

 nymphs, the jx3rcent:ige beuig abjut To%. 



(Habit) 



The females are rather inactive, resting ou the host with the head directed 

 upwards, and liave the habit, when distiul)ed, of moving the posterior p:ur of 

 legs as if to ward oil' the ofliniding object, but not dropping to the gi-onnd. 

 Not attended by ants. 



(Uistriljution) 



Fromosa. : .Vrisiin ; Japan: Tokyo, Nikko, Sapporo. 



FuUawayella violae (lV>rg.) 



Ilist plant. — Viola sjx att;ickiug the stilk. 



A few wingless vivi])arous females were observed on February 20, 1921, 

 at Kwaunonzan, near Taihokn. 



