jection in the mouth of>en ヨ^ pale yello さ isli ； で robsscls on the sicies with a fuscous Sp5t, で alpl short b-laclc で uluessnted. Antenna ひ 
で al ひ fulvous, the 3rd joint except tne b>ase fuscous, the arista fuscous, at the base vellow. Tisrax russelv and denselv punct 
ulatec3, in tti ひ mi{ddl ひ witli an indisinct narrow testaceous strijpe. win^s b-lacl^, in a c ひ rtain reflecting a b-luish shack, at 
th ひ hnd margin witll 3 large liyai ョ e spots, of wlllch ttie t>asal 2 t>eing- OIDlon^ and tlie outermost one roundish, at tlie costa 
somewhat near ttie a で ex さ ilii a liyaline speck vtaly で teres white, lialteres luscous, at the び ase somewhat で aler. Ab>{domen 
somewliat ョ ore sliallowly punctulated tlian on the thorax, ovipositor filiform, black, at the apex with a で ale fulvous palpus. 
Sternum t>rownisli. Le^s car に fuscous, で ulvuli f>al ひ testaceous. 
.Length —— mm. ； exf-. 3 ひ！ nm. 
Hab. I Formosa (Kanshirei) ； collected by the author, not rare* 
Macrortalls n. g. 
HeacJ Jieims で liencal, at tlie occifrnt: .somewhat flat, facial bxl distinct ； oral olpening sepnioval, in the middle witli a Iarp.e 
tubercular で roj^ctlon, で rotsscls robust, sucking surface very び road, で al で i sf-indl ひ- shaded au_s of a moderate size. Antennae small, 
the 3rd joint longer than the ？ st 2 taken together, the aristi long, to 一 he tip, except the extreme base with plumose hairs; 
com で oun<^ eyes c&lon^, o^s^^ very b-road. occifrnf: 011 ひ acti sick witli a sliort t-ristle. Protliorax narrow and somewhat cdlar 
slaap>ed. Humeral callus distinct, tli ひ sutural furrow only on tli ひ sicks <distinct, with a noto で kural h>ristle on eacti side, at tlie hind 
margin of the mesonotum with 2 bristles, scutellum at the liind margin on eacti side .with 2 bristles, wins very long, all th ひ 
veins b-are, th ひ 3rd longitudinal vdii near the a で ex deet^ly curved into th ひ ist posterior cell, で osterior an^I ひ of the anal cell drawn 
out into an acute angle, -talypteres relatively large, the lower one being mucti larger. Halteres very small. Abdomen very- 
short, comfssea 01 4- visi に ひ segments, strongly curved downwardly, at tli ひ a で ex witJi a filiform Iiorny ovipositor. ILe^s lon^ 
and robust, femora somewhat thickened, the anterior femur below with a row of sharp teeth. 
Ty で e l Macrortalis taivoauus Mats. r 
新 日本 千 蟲圖解 
( 433 ヽ 
