Al'IlIDID.i: OF FORMOSA. 



07 



Hits': — Acer sj}., :itt:ickiug tlio leaf. 



Dish'iljutiou. — Japau : Tokj-o (Mitxjsliirocho, Kauda) 



Cjllcfted Ijy the antbor iu August, 1918. 



Astegopteryx japonica n. sp. 



Wiugoil vivi[>aiMus I'ciuak'. 



Piuk. Body obkjiig, witlinut kail's. ILnd without lioi'ulcts. Eyes vciy 

 lai'ge, with small ocuLir tubercles. Auteiiuae short, striate ; the ord joint 

 provided with 14 — 16 amiiilatious, regularly arrauged ; the Itli with 1 — C> 

 siiuilai" seusoria ; the 5th with 4 similar seusoria ; the relative length uf 

 joints as follows : III — 30, IV — 15, Y — 19. Rostrum reaching Ijeyoul the 

 luiddle coxae. The 1st and '2nd c;)bliques i_>f the tV)re wing almost united at 

 their bases; the 2nd slightly curved; the 3rd once liranched, oljsulete at the 

 base; subcosta provided with 4 or 5 very minute seu.5.>ria in a single row on 

 the distal haV ; stigma liickLug seusoria ; hind wings mth 2 somewhat divergent 

 obliques ; booklets 2. Cornicles typical. Cauda consti'icted at the base, wit!i 

 some long bris'des. Anal plate biloted. Legs provided with so.lc moleratcly 

 long fine haire ; hind tai'si almo t as long as the 4th auteimal joint, with 2 

 very long capitate fine hau-s. 



Length of body — about 1.5 mm. Auteima — 0.47 nun. 



Fore wing — 2.3 mm. 



Host. — Ranunculus sp. ? ?, not producing galls. 



DLstiibution. — Japau: Tokyo (Ikegami) 



Collected liy the author on the leaves of the h<jst on July 1, 191!->. 



Eutrichosiphiun pasaniae (Okaj.) 



Trichosiphum x>((sani(ie, Okajima, Bull. Agi'. CoH., Tokyo Imp. Univ. viii 

 1, p. 5 (1908). 



Eutnchosiplaim pasaa'utc, Essig and Kuwana, Proc. California Acad. Sj. 

 4th ser, viii, 3, p. 97 (191s). 



Hosts — -Fasania cuspiduta, Quercus spp. 



Distribution. — Japan : Tokyo. Loochoo : Iriomote. 



