APIIIDID.^ OF FORMOSA. 39 



luarkinn; :it the 1);iS() of tlio cornicle uud some small 1.)Uick patches ou the 

 si(l(S. 



Head with some Iji'istles. Frontal tubercles almost alseut. Auteuuae 

 imhricatecl, with a few short liriitles ; tlv3 3rd joint provided with about 12 

 oitculiu- seusoria of medium or rather larpe size distributed almost over the 

 whole leEgth, not in a row ; tlu 4th with about 5 seusoria in one r(jw ; the 

 5th with the usual one ; the relative leuftth of joints as follows : III — 58, I^' 

 —50, V— 38, VI— 85 (1(3—09). Ilostrnm reaching the hind coxio. La.teral 

 tubercles of the body :is iu the wingless for.n. Cornicles cylindrical, much 

 smaller than those of the wingless form, s;imewhat expanded at the base, 

 imln'icated, not curved, aliuo^t twice as lo:jg as the caud'i, as l.iiig as or a 

 little longer than the 3rd antennal joint, ni)t reaching the caudal apex. Cauda 

 with many long bristles. Legs \ery long, witi; numerous moderately long 

 brist'es. Wings normal; ol.)li(]ues on the hind wing parallel; hooklets 3. 



Length of body — ^2.0 nam. Antenna — 1.5 mm. 



Tore wing — 3.5 mm. 



Ho^t. — Asdepias curas-mvi: c 



Di-stributiou. — Formosa Tailn )ku. 



Java (v. d. G.) ; India (Das); Eur. >pe. 



Hitherto unrecorded from .Ta[ian. 



Collected liy Mr. E. Kurosaw;u 



My specimens differ fi-. )m thi.i-;e described by Mr. Swain iFniv. Cahtbrnia 

 Pub. vol. 8, No. 1, p. 117, 1919) iu having seusoria on the 4tli antenual 

 joint of the winged viviparous female. 



Aphis lilii Li< ht ? 



Lichtenst-'in, ilmw Aphid, p. 33 (1884) 



Wingle.ss vivifarous female. 



Blackish giTH?n. Eyes and cornicles black. AnteunM- pik^ brownish, 

 apices of the 3rd, 4th and 5th jinnts and the 6th black. Cauda blackish 

 gi-ec^n. Legs pale brownish, apices of femora very slightly dusky; apices of 

 tibia?, and tarisi black. 



Body without hairs. Frontal tulurcles very short, slightly convex on the 



