24 1'^- T:ikaliaslii 



females were nlwrved on f'lirijsdidlii-iiiniii ccrniKwhi m on .laiiuary 29,192;!, at 

 Taihoku. Some viviparous females were collected on lUinufn luilftaiiii/rni on 

 November 22, 1923, at Kankan, Kosluin, Formosa. 'l"he viviparons females, both 

 wino'efl and wingless, were observed in abundance on .Irctimii tappa on November 

 29,1923, at Heito, Formosi. 



Macrosiphum neoaitemisiae fakali. 



Aphididae of Formosa 1, p. 13 '1921); Aphididae of Formosa-2, p. 70 (1923). 

 Nym])h of viviparous female. 



(The first instar) Yellowish green. Eyes dai'k' red. Antennae jiale greenish, 

 dusky on the apex of the 4th joint, and the 5fh. ( 'ornicl(>s dusky, witli p.Ue 

 greenish ba'-es. Cauda pale !i>;recnisli. Ijes^s pale oreen, dusky on the tarsi, as well 

 as on the apices of tibiae. 



J5ody oblong, broadest at midU^ngth of the abdonu'u. Head large, provided 

 on the dorsum with about 10 I'ather long stout hairs, which are not knobbed. 

 Frontal tubercles almost absent. Eyes somewhat protruding, almost without ocular 

 tuliercl(\s. 



Antennae almost as stout as the front tiliia, 5-j(uut(id; th(^ 3rd joint not imbri- 

 cated, without hairs; the 4th not imbricated, almost as long as t'lie basal 2 joints 

 taken togctlier, jirovided witli abmit 4 r.ithi'r long stoat bristles, the si'iisurinin 

 circular and moderate in size; the 5th imbricated, with 1 or 2 bristles ou the hisal 

 part; the relative length i f joints .as follows: III-30, IV 22, V 73 (15 {OS). 

 nostrum reaching a little beyond th(! hind coxae. Prothorax without lateral tuber 

 cles. Thorax and abdomen furnished with some rather long: stout bristles. 



Cornicles almost as stout as the hind tibia, somcwhiit dilated on tlie distal half, 

 scarcely or very slightly expanded toward the ba'^c, curved, not indiricad'd, sliglitlv 

 shorter than the spur of the last antennal joint. 



('auda very short, much wider than long, much shorter than the hind ttirsi, 

 M'ith a pair of long bristles. 



Legs large, provided \vith many long sfont hairs; hind tibi;ie \\ith verv long 

 bristles; tarsi very slightly imbricated, with some short bristles; hind l.irsi aliiDSI as 

 long as the 4th antennal joint. 



Length of body-about 0.75 mm. Antenna abiMit 0.6 miu. 



(The second instar) Differs from (he first in tlie following characters: 



I!ody provided with about 3 very short blunt lateral tubercles. Frontal tuber- 

 eles very short. Fyes protruding, with the ocular tubercles sligjilly ])rolMlienin(. 



