;}4 KV. IKIII T\K.\1IASI11: 



Iv istniia almost n' u-hiuj; tlio luiddle cjxae. Wing voius rutlior stout, tlio 

 1st obliqno ou tho frout wiijg not eiiruvl ; the 2ud sligbtly curvoil at tlio 

 apical p jitiou ; siil)c>_)sta pruvideil with 4 — -5 seiisoria mostly on the apical 

 half; hind wings with 2 obliques which are sligthly divergent. 



Length of b ) ly — 1.8 niiu. .Vuteuua — about 2.-1 mm; 



('oruicle — aI)out 0.3 mm. 



Hosts. — Allium Jistulostis ; AVium Hcorodopnisum i\if vivipu-uia. 



The above description was made from the specimens ou AUiuni fistulosus. 



l)istriI)utiou. — Formosa : Taihoku, Toyeu, Shinteu. 



Rhopalosiphiim aveuae FaVi.) 



Aplds ((i7c*(((e, I'abricius, Ent im. Syst. iv, y. 2;i (IT'.t-lt; Walsh, Proc. Eutom. 



Sjc. rhila lelphia, p. 298 (18G2j ; Del Gueicio, liidia, is, 2, p. l'J7 



(1911); B;:.ruer, So.auir's Handb Pilauzk. 3, p. 670 (1913); D.ivis, U. 



S. Dept. Agr. Bull. 112 ^19ili; Patch, Maine Agv. Expt. St. Bull. 233, 



pp. 2-i(J and 2uG (^1914 .; Tluiug, Biol. Bull, xxxi, 1, p. .54 (1916); 



Baker and (^uaiutiince, V . S. Dopt. Agi-. I'avniers' Bull. 8'J4, p. 13 (1917) ; 



Essig and Kuwaua, Proc. t'.ilif. Acad. He. 4th ser. viii, 3, p. 67 (1918) ; 



Petorsou, Now Jersey Agi-. Expt. St. Bull. 332 (1918) ; Alathoson, Cornell 



I'niv. .Vgr. Expt. St., Mem. 24, p. 750 (1919); Swaiu, Uuiv. Calif. Pub. 



iii, 1, ].. 94 (1919); P.^tjrson, Jl. E.vm. Entom. xii, 5, p. 363 (1919) 



and Ann. Ent mi. S )c. An erica, xii, 4, p. 391 (1920) ; Lathrop, Jl. Ecou. 



Eut mi. xiv, p. 436 (1921). 

 Sij)hocor;/iie avinuv, Perg.iude, U. S. Dept. .\gi'. Div. Entom. Bull. 44, ]ip. 



1^13 (1904) ; (^)iiaintauce, U. S. Dept. Agi-. Bureau Entom. Circular, 81, 



p. 3 (1907) ; Ciilletto, Jl. Econ. Ehtom. i, p. 308 (1908 / ; Tlieobald, Cau. 



Ei.tjm. 48, p. 235 (1916) ; Matmimira, Jl. Coll. Agi-. Sijipn-o, vii, pt, 6. 



p. 359 (1917); Da^^ Mem. Indian Mus. vi, p. 194 (1918"). 

 Aphis j>„J!, Kaltonbach, Monog. Bhttl. p. 74 (1843); Ivx-h, Die I'llauz. p. 



lid, ti^s. 147--14S (1S")7); M^avbilk'), Uorae Ent nn. Sjc. Bussicae, 



xxxi, p. 276 (1898;. 

 Siphoifip/iis' pi</i, van der Coot, Bjitrage Kenntn. Holland. Blattl. p. 241 



(I9I5i and Coutrib Eauui Indos Neerlaud, i, 3, p. 71 (1918); Mordvilko, 



