94 R. Takahashi. 



somewhat infuscate; clouded border of the 1st ohlique liroader than 

 that of the 2nd. Body without hairs and wax. Head very small, 

 lacking horns. Eyes large; ocular tubercles very small. Antennae 

 short and stunt; the 3rd joint with 22-1^4, the 4th 10, and the 5tli 

 annulations; the i-elative length of joints as follows : III — 53, IV — 

 26. V — 21. Rostrum very short, reaching a little beyond the front 

 coxae. Wings ample; the 1st and 2nd obliques neary united at their 

 bases; the ord more slender, obsolete at the l>a.se; stigma large; 

 stiginatic vein reaching the wing apex; hind wings with 2 divergent 

 obliques; booklets 2. Cornicles represented only by rings. Cau<la 

 very short, wider than long, constricted at tlie base, with some hairs. 

 Anal plate deeply bilobed, with many long hairs. Legs short, Ijut 

 rather slender, with a few short hairs; the 1st tarsus with 2 capitate 

 hairs; the 2nd tarsus rather short, with 4 long capitate hairs. 

 Length of bod}- — 1.4 mm. Antenna — 0.7 mm. 

 Fore wing — 2.7 mm. Width of fore wing — 1.7 mm. 



Host. — Quercus variabilis. 



Distribution. — Formosa (Taihoku). 



This species may be easily distinguished from Asteyopteryx javensis 

 Takali. (syn. Schizoneuraphis distylii v. d. Goot) by the wing- veins. 



The wingless female of this species is aleyrodiform, Ijeing 

 cemented to the leaf. The winged from occurs only in the winter, 

 and does not alternate the host. 



Astejopteryx styracicola n. sp. 



Winged viviparous female. 



Described from specimens preserved in alcohol. 



Head and mesothorax black. Eyes reddish bruwn. Antennae 



dusky. Ab(l(unen and legs yellowish brown. Wing-veins and stigma 



yellowish brown. Body ol)long, without prominent hairs. Head 



without horns. Eyes very large ; ocular tubercles very small. 



Antennae slender, o-jointed; the relative length of joints as follows : 



