650 



INDEX. 



Lyonetia clerkella, effect of meteoro- 

 logical conditions on, in Germany, 

 160 ; on peacli in Japan, 439. 



Lysiphlehus, parasite of Aphids in 

 Michigan, 68. 



Lysiphlehus testaceipes, parasite of 

 Apbid^, 487. 



Lysiphlehus tritici, sex-determina- 

 tion of, 298. 



Lysol, spraying with, against 

 Aphid?, 420. 



Lytopilus melanocephalus, sp. n., 

 parasite of an imdetermined 

 Lepidopteron in Brazil, 125. 



M. 



Mace, attacked by Araecerus in 



Java, 107. 

 Tnacelfreshi, Leptostyla. 

 tnacer, Dacus. 

 maegregori, Lepidosaphes, 

 machaeraUs, Pyrausta. 

 Machaerota planitiae, on cotton in 



India, 132. 

 Machylus, Coleopterous pests of, 



in India, 535. 

 Tnacilentus, Hylohius. 

 Tnacleayi, Philomastix. 

 3Iacraspis teiraiactyla, infesting 



coconuts in Jamaica, 57, 502. 

 Macrohasls unicolor (Ash-grey 



Blister Beetle), on potatoes in 



Canada, 25 ; control of, on 



potatoes in Connecticut, 338. 

 viacrocarpa, Phytelephas. 

 Macrocenifus, parasite of Cydia 



spp. in U.S.A., 478. 

 Ilacrodadyhis suhspinosus (Rose 



Chafer), in U.S.A., 137, 179, 340, 



503. 

 Maeroeme priapica, introduced into 



Buenos Aires in timber, 319. 

 Macromphalia dedecora, food-plants 



and parasites of, in Chile, 252. 

 'macromphaliae, Apanteles. 

 Ilacronoctua onusta (Iris Eoot 



Borer), in U.S.A., 138, 340. 

 MacTosiagon pectinatus, parasite of 



T/j>/tmspp. in N. America, 256. 

 Macrosiphoniella, key differentiat- 

 ing Macrosiphum and Megoura 



from, 112. 

 Ilacrosiphoniella (Siphonophora) 



ahsinthii, 112. 

 Macrosiphoniella [Siphonophora) 



artemisiae, on Artemisia in 



Oregon, 112. 

 MacTosi/phoniella atra, 112. 

 Macrosiphoniella (Aphis) cam- 



panulae, 112. 

 Macrosiphoniella chrysanthemi, 112. 



Macrosiphoniella citricola, 112 ; on 

 Ginnamomum in Singapore, 233. 



Macrosiphoniella (Siphonophora) 

 linariae, 112. 



Macrosiphoniella (Siphonophora) 

 lutea, 112. 



Macrosiphoniella (Aphis) mille- 

 folii, 112; on Achillea millefoliuTn 

 in Britain, 542. 



Macrosiphoniella sanhoriii, on 

 chrysanthemums in California, 

 112. 



Macrosiphoniella (Aphis) solani, 

 112. 



Macrosiphoniella (Ajihis) viciae, 

 112. 



Macrosiphum, key differentiating 

 Macrosiphoniella irom, 112; in- 

 tercepted on roses in Porto Rico, 

 514. 



Macrosiphum airum (see Macrosi- 

 phoniella atra). 



Macrosiphuin cereale (see M. grana- 

 rium). 



Macrosiphum creeli, on lucerne in 

 Nevada, 22, 374. 



Macrosiphum dirhodum, on roses 

 in Britain, 542. 



Macrosiphum epilobii, on Epilohium 

 in Britain, 542. 



Macrosiphum (Siphonophora) fri- 

 gidae, 112. 



Macrosiphum granarium (Grain 

 Aphis), on oats in Canada, 26 ; 

 on cereals in Britain, 542 ; on 

 cereals in Denmark, 445 ; a 

 minor pest of wheat in France, 

 386 ; on cereals in Norway, 539 ; 

 on cereals in Transcaucasia, 344 ; 

 on wheat in Uganda, 260. 



Macrosiphum lactucae, food -plants 

 of, in Britain, 542. 



Macrosiphum millefolii (see Macro- 

 siphoniella). 



Macrosiphum minutum, sp. n., on 

 Vernonia cinerea in Ceylon, 165. 



Macrosiphum pisi (see Acyrlhosi- 

 phon). 



Macrosiphum rosae (Rose Aphis), in 

 Britain, 542 ; in Ceylon, 164 ; 

 factors affecting wing develop- 

 ment in, 299. 



Macrosiphum solanifolii (Potato 

 Aphis), on roses and potatoes in 

 Britain, 386 ; control of, in 

 Canada, 25 ; bionomics and con- 

 trol of, in U.S.A., 68, 137, 144, 

 180, 222, 240, 338, 492, 503 ; 

 factors affecting wing develop- 

 ment in, 299 ; relations of winged 

 and wingless forms of. 316. 



Macrosiphum sonchi, food-plants of, 

 in S. Eastern Russia, 143. 



Macrotoma crenafa, food-plants of, 

 in India, 292. 



