ArHU>Ui.li OF FUKMOSA. 53 



iiud tlio aiitli.>r (Bull. Bn. >ldyn Eutjin. S.>c. sv, 4, p. 11.1, 1920) as a 

 syuonym of Nipponuplils. 



TIjc geuiis Thoracaphls is composed of tho aptov.jus viviixivuus females of 

 ^lblr'joii!rr;/x and it must Ik; considered as teiug a syuom'm of tho latter. The 

 m;J(S aud ovipai'ous feiuales and also tlie gall-iubabitiug vivipanjiis females of 

 Adi'ijopkry c are not jiltyTodiform, being provided with well developed legs and 

 r. >sh'nm, but tlio wuigl(-ss viviparous females which do ni:)t live in galLs are 

 ;ile}Todi''orm, witliont well developed legs, eye? ;ind anteuniw, Ix-ing cemented to 

 the Lost. 



In Formosa live spcics, A. iiiui-'-irdi Takah., A. yiijoifriiin Takah., A. 

 fiel u. sp., A. sf;jr<(rojjhthi, Kai'. and A. sfi/rnciroht Takah., are now kno 



I )WU. 



Astegopteryx styracicola Takah. 



Apbididao of Formosa— 1, p. 91 (1921). 



^\'ingtd viviparous fem;:ile. 



Bodj^ oblong, without secretions. Head moderate in size, lacking horns. 



One of the ocelli situated on the front. Eyes large, ocuLu' tulxn-cles very 

 small. 



Froufail talx-rcles absent. Aut<.nna.e ralher slender; sens iri.a dishlbuted ns 

 follows: in — 17. . . .23, IV — 6. . . .9, Y — 5. . . .7 ; the primary sensa-ium of 

 the 5th joint very small; the relative length of joints as follows: HI — 75, 

 TV — 26, Y — 23. Kosh-um ncjt rea-liiug the middle coxae. Thorax norn..al. 

 The 1st and lud obliques united at their Iwisos, slightly curved; the 3rd oncG 

 f(,>rked, obsolete at the liase ; hind •\\ing -with 2 divergent (.>bliipies; booklets 

 2. Abdomen jDrovided with a few niod(.Tately long Iji-istles. Cornicles very 

 short, scarcely protruding. C'aucki slmrt, much wider than long, Imjadest at 

 the base, with some bristles. Anal plat*! scarcely bilijljed. Li^gs slender, with 

 some setae; hiud tarsi almost as long as the 4th anteund joint; tho 2nd tarssil 

 joint with 2 rery long c.ipit.ite hairs. 



Length of body — 1.55 mm. Antenna — about 0.(j5 miii. 



Fore wing — about 2.5 mm. 



Host. — Sti/nrc formomivuii, pr.xlucing galls. 



Dish'ibution. — Fornnsi : Kannou-z^n. 



