Wilson-Vickery—List of Aphididae. 
147 
roboris Pteroclilorus var. nigra, Del Guercio, 1909. Redia, V. p. 
275, fig. 
Querciis cerris. 
roboris Pterocblonis Linnaeus, var. breviorostris, Mordwilko, 
1908, L’Ann. Musee Zool. L’Acad. Imp. Sci,, St. Peters¬ 
burg, XIII, p. 378. 
robusta, Aphis Walker, 1849, The Zool. VII, p. 43, app. 
Pastinaca sativa. 
rociadae, Aphis Cockerell, 1903. Trans. Amer. Ent. Soc. XXIX, 
p. 115. 
Delphinium sapellonis. 
rogersii, Macrosiphiim Theobald, 1913. Jour. Econ. Biol., VIII, 
No. 3, p. 126. 
Frag aria sp. 
rorea, Endeis Koch, 1857. Die Pflanzenlause Aphiden, p. 313, 
fig. 
Puccinellia distans. Many unknown weeds. 
rosae, Lachnus X^^holodkovsky, 1899. Zool. Anz. XXII, p. 471 
fig. 
Rosa canina. 
rosae, Macrosiphum (Linnaeus), 1758. Edition 10, Systema 
Naturae, p._ 452. Aphis. 
Centranthus sp., Dipsacus pilosus, D. strigosus, D. sylvestris, 
Euphorhia pepliis, Rosa canina, R, centifoUa, R. eglanteria, R. 
lutea, R. ruMginosa, 'R. spinosis — sima, Scahiosa arvensis, 8. 
columharia, 8. succisa, Valeriana officinalis. 
rosae, Macrosiphum var. glauca (Buckton) 1876. Mon. Brit. 
Aphides, I. p. 109, fig. ’Siphonophora. 
Rosa canina, R. centifoUa. 
rosaecola, Macrosiphum (Passerini), 1871. Bui. Ent. Soc. Ital., 
Ill, p. 336. Siphonophora. 
Rosa ruMginosa. 
rosaefolium, Macrosiphum Theobald, 1915. Bui. Ent. Research, 
VI, p. 109, fig. 
Rosa sp. 
