Takabashi. 



Jffacrosiphum rosae (!>.) (PI. X. 1, Figs. G-S) 



Aph'is rosae, Linnnaeus, Sv.^t. Nat. i, 2, p. 7.}4 (ITijT): Fabricius, 

 Syst. Rhyng. p. 298(1803): Kaltenbach, :\Ioii. PHaz. p. 3(1843). 



Siphonophora rosae, Koch Die PHaz. p. 178 (1857); Buckton, 

 Mouog. Brit. Aphid, i, p. 1U3 (1875): Thomas, Bull. 2. Illinois St. 

 Lab. Nat. Hist. p. 5(1878): Oestland, (^cuj. and Nat. Hist. f:;arvey of 

 Minnesota, p. 24 (188G). 



Neclarophora rosae, Oestland, (Icol. and Nat. Hist. Survey of 

 Minnesota, p. 81 (1887); Clark, Canad. Kntom. xxxv, p. 254(1903). 



Macrosiphum rosae, Fullaway, Ann. Rept. Hawaii Agric. Expt. 

 St. for 1909, ]i. 25 (1910); Essig, Pom. .Tour. Ent. v, p. 550 

 (1911); Theobald, .lour. Econ. V-,\o\. viii, p. 55 (1913); Theobald, 

 Bull. EnL Research, iv, p;. iv, p. 318(1914): van der Goot, Beitrage 

 Kenntnis Holland. Blatti. p. 87 (1915); Matsumura, .Tour. Coll. Agr. 

 Sapporo, vii, pt. 6, p. 361 (1917); van der Goot, Contrib. Fauna Indes 

 Neerland. i, iii, p. 17 (1917); Essig and Kuwana, Proc. Calif. Acad. 

 So. 4th S., viii, 3, p. 5] (1918); Swain, Ciiiv. Cahf. Pub. tech. Bull. 

 Coll. Agr. Expt. St. iii. 1. p. ('.7 (1919). 



«tsiTU^i5 ^mnm^m,m^ (a^b) pi. 4.v. p. 31 utiEmi^) 



Hosts. — Rosa spp. 



Distribution. — Formosa ('raihoku,Kagi). Jajmn. Java (v.d. Goot); 

 Ceylon (v.d. G. ) India ? (Lefroy) ; Hawaii (Fullaway) ; Australia 

 (Froggatt); Ah'ica (Theobald); Europe; North America. 

 Macrosiphum rosaej'ormls Das, to wliich J/, rosae (L.) is closely 

 related, has never been collected in Formosa. 



Near Taihoku I have collected many j'ellow individuals of this 

 species in Ma3\ 



Macrosiphum mi^canthi n. sp. (PI. 1,2, l''igs. (j-<s). 

 Wingless viviparous female. 



Described from a specimen preseived in alcolK)l. Pale yellowish 

 brown. Antennae and cauda pale yellowish brown. Cornicles dark 



