APHIDIIK-E OF Fi IKJIOS.V. 27 



Abdomeu almost lucking hair.s. C'ornk-los long aud alouder, imljiieated, 

 cyliudrical, slightly expanded toward tbe base, a little slKntev tLan the 4th 

 auteunal joint, almost tw ice as long as the Cauda. Cauda large, stout, sttmter 

 than the cornicle, more thiui twice as long as wide, with two pairs of bristles. 

 Legs long and slender, tibia^ provided with uiauy mi^deratel}- long seta"- mostly 

 on the distal half; hiud tarsi a little shorter than tlie I'ase of the Ctb 

 autenual joint. 



Length of body — aljout 1.7 mm. Antenna' — alx^ut 2.0 ram. 



Cornicle — about 0.38 mm. 



^^'ing:d ^■i^^ parous female. 



Pale yellow. Head, antenna> and mesothorax black. Fyes blackish 

 bro^\n. Pronotum dusky. Wings hyaline, stigma and veins almost gray. 

 Abdomen with a Lirge black patch ^.n the dorsum, about 4 black patches on 

 the side, and many lilack patches also on the dorsum. Cornicles lilackish. 

 Cauda yellow, very slightly dusky. Femora yellow, with black apices; tibitc 

 blackish brown, v.Mi black apices ; tarsi black. 



Body oblong. Head provided with some moderately long luistles. I'VoLtal 

 tuliercles moderately convex on the inner side. Antenupe long and slender, 

 almost lacking hairs ; the 3rcl joint somewhat imbricated, provided with aViout 

 10 large, circular sensoria aiT.mged in a row almost over the whole length 

 except the distal part ; the 4th imliricated, provided with — 1 sensorium ; 

 the relative length of joints as fi^llows : III— 97, IV— 85, ^'— 67, ^"I— 147 

 (•27 + 1201. Rostrum reaching the middle coxa?. Abdomeu provided with a 

 few moderately long bristles on the dorsum. 



Cornicles cylindrical, imbricated, scarcely dilated at the base, almost as 

 long as or a little shorter than the 5th antennal joint. Fore wings : veins 

 normal; subcosta with 2 — 3 sm;dl sensoria on the disfcxl half; hind wings 

 with 2 parallel oljlicjues ; booklets 3 or 4. Legs long and slender, provided 

 with many moderately long seta\ Cauda almost half as long as the cornicle. 



Length of Iwdy — about 1.7 mm. Antenna — about 2.0 mm. 



Cornicle — about 0.3 mm. Fore wing — alxnit 2.7 mm. 



Host. — Brehmeria nivco. 



Disti'ibution. — Formosa : Urai. 



