752 



INDEX. 



in Ontario, 420 ; food-plants of, 



in U.S.A., 78, 239, 531, 533, 610 ; 



measures against, 533, 610. 

 Macrolophus costalis, bionomics of, 



on tobacco in Bulgaria, 441. 

 Macronoctua onusta (Iris Borer), 



measures against, in U.S.A., 168. 

 Macronovius cardinalis (see Novius) . 

 Macrophya rufipes, in Finland, 408. 

 macropterus, Neoconocephalus. 

 Macrosiagon [Emenadia] cucullata, 



bionomics of, in Australia, 477, 



524. 615. 

 Macrosiagon pictipennis, mfesting 



beneficial Hymenoptera in Aus- 

 tralia, 341, 477. 

 Macrosiphina, notice of key to 



genera of, 606. 

 Macrosiphoniella, notice of key to 



species of, 606. 

 Macrosiphoniella beretica, sp. n., in 



Argentina, 606. 

 Macrosiphoniella chrysanthemi, on 



chrysanthemum in Argentina,606; 



possibly a synonym of M. san- 



borni, 606. 

 Macrosiphoniella formosarteniisiae, 



sp. n., on Artemisia capillar is in 



Formosa, 408. 

 Macrosiphoniella [Macrosiphum) 



sanborni (Chrysanthemum Aplais), 



in greenhouses in Canada, 324 ; 



experiments with pyrethrum ex- 

 tract against, in U.S.A., 70 ; M. 



chrysanthemi possibly a synonym 



of, 606. 

 Macrosiphoniella tanacetaria var. 



bonariensis, n., on Tanacetum 



vulgare in Argentina, 606. 

 Macrosiphum, notice of key to 



species of, 606. 

 Macrosiphum alopecuri, sp. n., on 



Alopecurus in Formosa, 408. 

 Macrosiphum cereale (see M. gra- 



narium) . 

 Macrosiphum citrifolii, on Citrus in 



Caucasus, 116. 

 Macrosiphum formosanum, sp. n., 



food-plants of, in Formosa, 408. 

 Macrosiphufnfragariella {StrsLwhervy 



Aphis), bionomics and control of, 



in British Isles, 295. 

 Macrosiphum granarium, on cereals 



and grasses in British Isles, 77, 



382 ; on cereals, in Czecho- 

 slovakia, 487 ; probably on 



cereals in Denmark, 61. 

 Macrosiphum {Aphis) illinoisensis 

 (Brown Grape Aplois), in Jamaica, 

 167 ; in U.S.A., 239. 

 Macrosiphum jaceae, on Centaurea 



nigra in Scotland, 590. 



Macrosiphum lactucae, on potato in 

 British Isles, 415. 



Macrosiphum lizerianum, sp. n., on 

 Sonchus etc. in Argentina, 606. 



Macrosiphum lycopersici (Tomato 

 Aphis), dusting experiments 

 against, in Maryland, 115. 



Macrosiphum miscanthi, sp. n., on 

 Miscanthus in Formosa, 408. 



Macrosiphum neoartemisiae, sp. n., 

 on Artemisia capillaris in For- 

 mosa, 408. 



Macrosiphum, paederiae, sp. n., on 

 Paederia tomentosa in Formosa, 

 408. 



Macrosiphum pisi (see Acyrtho- 

 siphon) . 



Macrosiphum rosae (Rose Aphis), 

 in Argentina, 606 ; predacious 

 enemies of, in British Isles, 185, 

 320 ; measures against, in U.S.A., 

 287, 609. 



Macrosiphum rubi, Coccinellids pre- 

 dacious on, in British Isles, 320. 



Macrosiphum sanborni (see Macro- 

 siphoniella) . 



Macrosiphum smilacifoliae, sp. n., 

 on Smilax chinensis in Formosa, 

 408. 



Macrosiphum solani, Kalt., M. 

 solanifolii possibly a synonym of, 

 414. 



Macrosiphum solani, Theo., synonym 

 of Myzus pseudosolani, 414. 



Macrosiphum solanifolii (Pink and 

 Green Potato Aphis), on Watsonia 

 and Lactuca in Argentina, 606 ; 

 bionomics of, in British Isles, 414 ; 

 food-plants of, in U.S.A., 30, 115, 

 244, 248, 304, 306, 333, 560, 610 ; 

 transmitting mosaic disease of 

 spinach, 30 ; measures against, 

 248, 305, 306, 560 ; possibly a 

 synonym of M. solani, 414. 



Macrosiphum sonchi, food-plants of, 

 in Argentina, 606 ; in British 

 Isles, 320, 415 ; Coccinellids pre- 

 dacious on, 320. 



Macrosiphum tabaci, on Solanum, 

 415. 



Macrosiphum tanaceti, bionomics of. 

 in U.S.A., 385. 



Macrosiphum urticae, food-plants of, 

 in Argentina, 606 ; predacious 

 enemies and hyperparasites of, in 

 British Isles, 185, 320, 488, 590. 



Macrotermes, notice of key to 

 South African species of, 515. 



Macrotermes tikuzii, sp. n., in Zulu- 

 land, 515. 



Macrotermes usutu, sp. n., in Swazi- 

 land. 515. 



