588 



INDEX. 



Aphis grossula/riae (Gooseberry 

 Aphis), destroyed by fowls in 

 Britain, 58 ; on currants in 

 Germany, 6; in Sweden, 146. 



Aphis helichrysi, food-plants of, 

 in Europe and U.S.A., 420. 



Aphis loUi, parasites of, in Britain, 

 276. 



Aphis hoiightonensis, on currants 

 and gooseberries in U.S.A., 213. 



Aphis idaei (Raspberry Aphis), in 

 Switzerland, 367. 



Aphis japonica, sp. n., on apple in 

 Japan, 548. 



Aphis Jcochi (Rosy Aphis), con- 

 trolled by lime-spraying in Bri- 

 tain, 425. 



Aphis maidiradicis (Corn Root 

 Aphis), on cereals in U.S.A., 14, 

 29, 248, 481, 527. 



Aphis maidis (Corn Leaf Aphis, 

 Maize Aphis), on maize in N. 

 America, 29, 194 ; attacked by a 

 Syrphid fly in St. Vincent, 121. 



Aphis mali (see Aphis pomi). 



Aphis malifoliae (Blue Aphis, Rosy 

 Apple Aphis), in Britain, 57, 58, 

 508; on apples in U.S.A., 212, 

 298, 413, 417 ; migrations of, 417. 



Aphis malvoides, sp. n., food- 

 plants of, in Lahore, 473. 



Aphis maruiae (see A. helichrysi). 



Aphis mathiolae, sp. n., on orna- 

 mental plants in Egypt, 209. 



Aphis mathiolellae, sp. n., on orna- 

 mental plants in Egypt, 209. 



Aphis medicaginis (Bur-clover 

 Aphis), food-plants of, in Cali- 

 fornia, 384 ; food-plants of, in 

 Japan, 548 ; a minor apple pest 

 in U.S.A , 212. 



Aphis myosotidis (see A. helichrysi). 



Aphis neomexicanus, on currants 

 and gooseberries in U.S.A., 213. 



Aphis padi (see Siphonaphis). 



Aphis persicae, on peach in Italy, 

 143. 



Aphis persicae-niger (see Anuraphis). 



Aphis platanoides (see Drepanosi- 

 phum). 



Aphis pheidole, associated with ants 

 in Rhodesia, 209. 



Aphis piraria, on pear in Italy, 143. 



Aphis pomi (Green Apple Aphis), 

 bionomics of, in Britain, 58, 247, 

 508 ; on apple in Canada, 558 ; 

 measures against, on apples in 

 France, 442 ; food-plants of, in 

 Japan, 548 ; on apples and 

 plums in Norway, 285 ; control 

 of, in Sweden, 146; on apple in 

 Switzerland, 367 ; bionomics and 

 control of, on apples and pears 

 in U.S.A., 110-112, 212, 298, 373, 

 459 ; A. pomonella allied to, 209. 



Aphis pomonella, on apples in Br. 

 East Africa, 209. 



Aphis pruni, on plums in Britain, 

 58, 508. 



Aphis pruniella, sp. n., on plum in 

 Br. East Africa, 209. 



Aphis pruniJoUae (Apple Grain 

 Aphis), migrations ot, in U.S.A., 

 47, 298, 416 ; erroneously re- 

 corded as Siphonaphis (A.) padi 

 (avenae), 47, 298. 



Aphis pseudoavenae, sp. n., food- 

 plants of, in Maine, 243. 



Aphis pseudobrassicae (see Sipho- 

 coryne). 



Aphis pyrastri, on pear in France, 

 442. 



Aphis pyri, on pear in France, 442 ; 

 on pear in Switzerland, 267. 



Aphis pyri, Koch (see Anuraphis 

 farfarae). 



Aphis ribis, on currants in Germany, 

 6 ; on currants in Italy, 143 ; 

 on currants and gooseberries in 

 U.S.A., 213. 



Aphis rosae, on rose in Italy, 143 ; 

 in Norway, 286. 



Aphis rumicis (Bean Aphis, Dock 

 Aphis), food-plants of, in Britain, 

 508 ; on Bumex crispus in 

 Japan, 548 ; on beans and beet 

 in Sweden, 146 ; in Switzerland, 

 367 ; on dahlias in Uganda, 

 209 ; bionomics of, in U.S.A., 

 212, 413, 416, 417. 



Aphis sacchari (Sugar-cane Aphis), 

 attacked by a Dipteron in Aus- 

 tralia, 387. 



Aphis saliceU, on willow in N. 

 America, 257 ; on willow in 

 Britain, 41 ; A. theobaldi er- 

 roneously recorded as, 257. 



Aphis salicicola (see A. saliceti). 



Aphis saliiiae, on sage in Switzer- 

 land, 367. 



Aphis sambuci, on elder in Britain, 

 276. 



Aphis sanborni (Green Gooseberry 

 Aphis), on currants and goose- 

 berries in U.S.A., 213. 



Aphis sensoriata, sp. n., on Ame- 

 lanchier in U.S.A., 420. 



Aphis setariae (Rusty Plum Aphis), 

 bionomics of, in U.S.A., 212, 417. 



Aphis siphonella, sp. n., on Japanese 

 pear in Japan, 548. 



Aphis somei, sp. n., food-plants 

 of, in Japan, 548. 



Aphis sorbi, on apple in Canada, 

 361, 558 ; on apple in Norway, 

 285 ; on apple in Switzerland, 

 367 ; bionomics and control of, 

 in U.S.A., 110-112, 373, 459. 



Aphis spinulosa, sp. n., on cherry 

 in Japan, 548. 



