59 liYOIiIlI TAKMIASni: 



rathei" long bristles; liiuil tarsi longer tli:ui tlu; Ijnl autouual jiint, provided 

 with a few very long capitate haii-s. 



Length of bod)- — about 1.4 luru. Antenna — about nuu. 



Wax-pjres large, circular, (hstributed as in Orcfjma moniatia v. d. Goot ; 

 number of lateral pores in one group iis follows: prothorax — 5 — G, mesothorax 

 9—10, metathoras 5 — 6, the first abdominal segment 3, the 2nd abd. 3, the 

 3rd abd. -Ir— .3, the 4111 abd. 5, the 5th ab 1. 3, the 6th abd. 5, tlie 7th abd. 6 ; 

 number of doi-sal pores in one gi\)up as follows : head 5, prothorax 3, mesothorax 

 8—9, metathorax 4, the 1st abd. 3—4, the 2ud abd. 3—4, the 3rd abd. 4—6, 

 4th abd. 3, the 5tli obd. 2 ; the 8th abd. 8 in a group ou the middle of 

 the dorsum, (se^ I'l. IX, A, %. 2j. 



Host. — Pard'-ura paiens. 



DLsti'ibution. — Formosa: Taihoku, Urm. 



Oregma bambusicola Takah. 

 (PI. Vin, A, fig. 3 k PI. IX, B) 



Aphidida' of Formosa— I, p. 8J (1921). 



Wiugles.s viviparous feniide. 



Dark purple or purplish black. Ju the specimen treated with caustic 

 p:)tash, head and prouotum browuish, mesouotum with 4 large brownish 

 patches, metauotaiu and the 1st abdominal segment with some brownish 

 p:itc]ies which are irregular in shape. 



Body Soft, oval, conspicuously convex on the dor.sum, provided with 

 uumoroui very small wax poi'es, which are iiTCgular in sliai^e, as in Aleuro- 

 diph'm lluintce v. d. Goot; very slightly coveral with w;ixy secretions, fm'nished 

 with some moderately long hail's. 



Head fused with the prothorax. Horns rather slender, almost as long as 

 or a l.ttle longer than the 2nd autonnal joint, rather sharply pointed. Eyes 

 compused of 3 facets. Autjnn:e provided \\itli a few long hairs ; the 3rd joint 

 lacking sensoria; primary sensoria very small; the relative length of joints jus 

 follows: HI— 38, IV— 27, V— 35. liustrum almost reaching the middle 

 coxjB. Cornicles very short, much wider than long. Cauda much wider than 

 long, wider than the lobe of the aniil plate, striata, soxewhat coiistrict3d at 



