ArlllDID.l-: OF rORMOSA. 



51 



tlie lust", jiroviJcl with uviiiy liiii<a; stout bvistlflS. Aiiil plate l)iL)l)c(l, prDvidctl 

 with niiiiv loiiu; stjnt bristles. D^gs lon^, pvovidcd with mauy Ljug bristles; 

 liiud t irsi ;i little longer thau tli(^ 3rcl auteuiuil joiut, provided witli a few 

 very loug hairs wliioh are scarcely capitat(\ 



Leiigtii of l.Kxly — abiint 3. '3 lum. 



Auteuiux — about O.C lom. 



(DescriK'd froiu six-eimeus collected on Nov. 12, 1922, near Taihoku). 



Wiiigei.l vi^iparons female. 



HcckI, eyes, .mtemiae, lues^tliorax iuid alxloineu almost bLwk. Prothorax 

 blackish browu. Veins aud stigma almost black. Legs yellowLsh brown ; 

 apices of femiira, aud tarsi black. C'a-ida brownish. 



Body broad, flixttened, not covered with waxy seciticins. Head much 

 broader thau long, provided with miiny very short hairs. 



Horns ninch shoiier tluui the 1st ;inteuual j )iHt, not sharply p_)iut"d, 

 expanded toward the bas*;, provided with so.ne minute hairs. Eyes large, not 

 well proti'udiug. .\uteimae loug ; the 3rd joint provided with 37 — 47, the 4th 

 K;— 21, the 5th 11—15 rings; the relative leug^li of joints as fillows: HI— 

 132, rV — 66. V — 58. Rosti'iiiu short, not re;ichiug th(^ middle coxae. 

 Mesothorax largo. Wings atnple, cuTied Hat when at rest; veins rather stiut ; 

 tjie 1st aud 2ud ol)liques on tlie fore wing nnik'd at their l)ases, shghtly 

 curved; the 3.'d obsolete? at the base, once forked; subcosta provided with 

 about 8 very s:aall seusoria iu a gi'oup near the base, about 12 seusoria aloug 

 the whole length, and a few short bristles mostly on the basal half; liind wings 

 with 2 divergeut <jbliquc!S ; hooklets 2 or 3. Abdomen provided with some 

 rather short Ixjristles. Cornicles almost as iu the apterous form. 8p)U'aclcS 

 slightly protulieraut Cauda aud anal plate almost as iu the apter<ius fi'om. 

 Legs sleuder ; tiliiao provided with juauy some^vhat long bristles ; the 2ik1 

 tiireaJ joint very long, that of the hiud leg altout j-J times as long as the 5tli 

 autenual joiut. 



Length of Ijody — almut 3.0 !um. .Vntemia — ^.about 1.25 iinn. 



Fore M'ing — about 3.S mm. 



The wiuged fijrms ave very rare, having been C(jllected on1_\- on Novemlxr 

 12 aaid 20, 1022, ueai- Taihoku. 



