96 R. Tukahashi. 



Winged viviparous female 



Described from specimens preserved in alcohol. 



Head and eyes black. Mesothorax l)lackish brown. Antennae 

 and legs pale brown. Abdomen yellowish l)rown. Stigma and veins 

 pale brown. 



Body oblong, without hairs. Eyes very large, with a small ocular 

 tubercle. Antennae very short, 5-jointed; basal 2 joints subequal in 

 length; the 3rd with 4-5, the 4th 5, the 5th 6-7 large ample sensoria; 

 the relative length of joints as follows: III— 22. ..23, IV— 23. ..205, 

 V— 31...33. 



Rostrum not reaching the middle coxae. Mu.sonotum without 

 wax-plates. Stigma short; the 1st and 2nd obliques united at the l>aso; 

 the 3rd obsolete at the base and not forked; hind wings with 2 

 obliques; booklets 2. 



Cornicles inconspicuous. Cauda very short, not distinct, with 

 the posterior margin rounded. Anal plate normal. Legs short and 

 slender, w-ith some verj"- small setae. 



Length of body — 1.4 mm. Antenna — U.4 mm. 



Fore wing — 1.G mm. Width of fore wing — 0.6 mm. 



Host. — Bhvs semialata, producing galls. 



Distribution. — Formosa (Taihoku, Kwanshirei); Japan.' 



The species leaves the gall on the sumniei- host, li/ius semialata, 



and migrates to an unknown plant in the autumn in Formosa, as in 



Japan. 



Subtribe Fordini 



(1) Antennal sensoria of the winged form small and scattered over 



most of the segment Parac/efw.s Heyden. 



Antennal sensoria of the winged form larger and mostly arranged 



in one line (S^eo/ca Hart. 



Geoica IncifiKja (van der Gootj. 



Serratuphh lucifuga. van der Goot, ( 'oiitrib. Fauna Indes Neerland. 

 1, iii, p. 264 (1917). 



