INDEX. 



607 



Aphis malvae, not attended by DoU- 

 choderus bituhercHlatiisin Java 571 



Aphis medicaginis, on leguminous 

 crops in California, 13 ; not 

 attended by Dolichoderus bituher- 

 culatus in Java, 571. 



Aphis mijosolidis, food-plants of, in 

 Russia, 562. 



Aphis myrmecaria. on garden-plants 

 in Colombia, 81. 



Aphis neomexicana pacifica, var. n., 

 on red currant in California, 288. 



Ajihis nerii, on oleander in U.S.A., 

 130. 



Aphis papaveris (see A. rumicis). 



Aphis persicae, control of, in Co- 

 lombia, 80; on peach in Italy, 180. 



Aph is persicae- n irjer (see Anuraph is). 



Aphis pomi (Green Apple Aphis), 

 bionomics and control of. in 

 Canada, 69, 332, 346, 347, 548, 

 549 ; on medlar in Germany, 94 ; 

 on apples in Russia, 157, 249, 303, 

 562 ; bionomic?^ and control of, 

 on apples, etc.. in U.S.A., 8, 12, 

 229, 321, 328^ 387, 448. 



Aphis populifoliae (see Pterocomma). 



Aphis pruni, Koch (see A. cardwi). 



Aphis pruni, Reaum., on plums in 

 Ireland, 488. 



Aphis prunicola (see A. cerasi). 



Aphis prunorum (see Rhopalosiphuni 

 ni/mphaeae). 



Aphis pseudohrassieae (Turnip 

 Aphis), bionomics and control of, 

 in U.S.A.. 306, 308, 412 ; believed 

 to b(^ a svnonvm of Aphis erysimi, 

 362. 



Aj)his pyri, Boy., considered dis- 

 tinct from A. crataegi, 49, 562. 



Aphis pi/ri, Koch (see A. kochi). 



Aphis radieola, on sorrel in Russia, 

 562. 



A})his radicum, on maize, 159. 



Aphis ribis, on cherry in Russia. 91. 



Aphis rosae, control of, in Colombia, 

 80 ; on rose hi Italy, 180. 



Aphis rumexicolens, sp. n., on Rumex 

 acetoseUa in U.S.A., 494. 



Aphis rumicis {ezwnymi) (Nastur- 

 tium Aphis), on beans, etc., in 

 Britain, 516 ; on beet in Bohemia, 

 375 ; food-plants and control of, 

 in Colombia. 80 ; on Euonymus 

 spp. in Gei-mauy. 94; on Grarain- 

 aceae in Italy, 335 ; food-plants 

 of, in Russia, 562 ; bionomics and 

 control of, in U.S.A., 13, 308, 320, 

 530 ; experiments with nicotine 

 against, 22 ; experiments with 

 quassia and, 541. 



Aphis sacchari, natural enemies of, 

 on sugar-cane in Queensland, 5. 



Aphis saliceti, food-plants of, in 

 U.S.A., 494. 



Aphis solani, food-plants and con- 

 trol of, in Colombia, 80. 



Aphis sorbi (Rosy Apple Aphis), 

 confused with A. malifoliae in 

 X. America, 50 ; bionomics and 

 control of, on apples in U.S.A., 

 178, 228, 321, 328, 431, 448; on 

 apples and pears in Canada, 332, 

 347. 



Aphis syviphyti, on citrus, 335. 



Aphis tavaresi (Black Citrus Aphis), 

 on citrus, 335 ; bionomics of, on 

 citrus in Br. E. Africa, 111. 



Aphis viburni, on Philadelphus in 

 Germany, 94. 



Ajihis vibiirnicola (Snowball Aphis), 

 in Canada, 333 ; migration of, in 

 U.S.A., 228. 



Aphis viburniphila, sp. n., on Vi- 

 burnum in U.S.A., 494. 



Aphis vitis, control of, in Colombia, 

 80. 



Aphis vulpiae, on Graminaceae in 

 Italy, 335. 



Aphis, Barley (see Aphis avenue). 



A])his, Black Cherry (see Myzus 

 cerasi). 



Aphis, Black Citrus (see Aphis 

 tavaresi). 



Aphis, Black Peach (Anm-ajjhis 

 persicae-niger). 



Aj)his, Box Elder (see Chaitophorus 

 negundinis). 



Aphis, Cabbage (see Aphis brassicae). 



Aphis, Cacao (see Toxoptera cojfeae). 



Aphis, Corn Root (see Aphis maidi- 

 radicis). 



Aphis, Cotton (see Aphis gossypii). 



Aphis, Dandelion (see Macrosiphuni 

 tara.vicis): 



Ajjliis, European Grain (see Aphis 

 a venae). 



Aphis, Geranium (see Macrcsiphum 

 pelargonii). 



Aphis, Grain (see Macrosiphuni gra- 

 nariu7)i). 



Aphis, Green Apple (see Aphis 

 pomi). 



Aphis, Green Pea (see Acyrthosiphon 

 pisi). 



Aphis, Green Peach (see Mysus 

 persicae). 



Aphis, Hop (see Phorodon hiimuli). 



Aphis, Long-beaked Clover (see 

 Aphis brevis). 



Aphis, Mealy Plum (see Hyaldpterus 

 arundinis). 



Aphis, Melon (see Aphis gossypii). 



Ajihis, Nasturtium (see Aphis rumi- 

 cis). 



Aphis, Xegundo (see ChaitophGrus 

 negundinis). 



Aphis, Oat (see Aphis avenae). 



Aphis, Potato (see Macrosiphum 

 soJanifoIii). 



