672 



INDEX. 



Lygus pratensis var. campestris, on 

 potatoes in Britain, 508 ; on 

 Chrysanthemum indimim in 

 Sweden, 145. 



Lymantria dispar (Gipsy Moth), 

 colonisation of Compsilura con- 

 cinnata against, in Canada, 82 ; 

 in Europe, 521 ; on roses in 

 France, 470 ; notes on, in Japan, 

 176, 504 ; legislation against, in 

 Maine, 88 ; bionomics of, in 

 Spain, 55, 113, 414; on birch in 

 Sweden, 148 ; bionomics and 

 control of, in U.S.A., 16, 26, 178, 

 225, 458, 512, 513, 521, 553; 

 intercepted in U.S.A., 205 ; dis- 

 seminating white-pine blister- 

 rust, 225 ; new bacterial disease 

 of, 568 ; experiments with poly- 

 hedral disease and, 567. 



Lymantria monacha (Nun Moth), in 

 Austria, 127, 405; in European 

 forests, 521 ; food-plants of, in 

 Germany, 405 ; in forests in 

 Norway and Sweden, 89, 148, 

 283. 



Lymantria mathura, bionomics and 

 control of, in forests and orchards 

 in Japan, 504. 



Lymexylon sericeum, in forests in 

 U.S.A., 522. 



lyncea, Chrysis (Tetrachrysis). 



Lyonetia clerkella, on apples in 

 Norway and Sweden, 150, 285 ; 

 in Switzerland, 367. 



lyropicta, Chnitophorus. 



Lysia cognataria, Paraealocoris 

 hawleyi predaceous on, in U.S.A., 

 109. 



Lysol, against Eurydema oleraeeum, 

 5 ; temperature required for 

 destroying pests of stored beans 

 with, 383 ; and tobacco extract, 

 against asparagus beetles, 409. 



M. 



Macaranga, food-plant of Heliothis 



obsoleia in Sumatra, 271. 

 machaeralis, Pyrausta. 

 m,acilenta, Leptalia. 

 Maclura aurantia<'a, seeds of, 



attacked by Ophonus rwficornis 



in France, 96. 

 Macraspis teiradaHyla, destroyed 



by woodpeckers in Jamaica, 530. 

 Macri's Machine, for disinfecting 



cotton seed, 43. 

 Macrobasis unicolor (Ash-grey 



Blister Beetle), on cabbages in 



Quebec, 61. 

 Macrocentrus, parasite of Cydia 



molesta and C. jjomonella in 



U.S.A., 369, 374. 



Macrocentrus ahdominalis, probably 

 a parasite of Rhyacionia resinella 

 in Holland, 498. 



Macrocentrus dslieatus, parasite of 

 Acrobasis nebulella in U.S.A., 

 169. 



Macrocentrus thoracicv^, parasite 

 of Argyroploce variegana in Italy, 

 173. 



Macrodactylus subspinosus (Rose 

 Chafer), character of soil influen- 

 cing attack of, in Br. Columbia, 

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

 198. 



MacromphaUa dedecora, parasites 

 of, in Chile, 428. 



Macrosiphum absinthi, on Artemisia 

 vulgaris indica, in Japan, 547. 



Macrosiphum cereale (see M. gran- 

 arium). 



Macrosiphum creelii, on lucerne in 

 U.S.A., 413. 



Macrosiphum dahliafolii, sp. n., 

 on dahlias in Uganda, 209. 



Macrosiphum frifjtdae, on Artemisia 

 in Br. Columbia, 361. 



Macrosiphum granarium (Grain 

 Aphis), on cereals in Britain, 508 ; 

 on rice in Japan, 547 ; on cereals 

 in Norway and Sweden, 146, 

 284 ; alternative food-plants of, 

 in U.S.A., 417. 



Macrosiphum hagi, sp. n., on Les- 

 pedeza bicolor in Japan, 547. 



Macrosiphum ibotum, sp. n., on 

 Ligustrum ibota in Japan, 547. 



Macrosiphum illinoisense (Grape- 

 vine Aphis), bionomics of, on 

 Viburnum and vines in U.S.A., 

 31, 213, 417. 



Macrosiphum ludovidanae, on Arte- 

 misia ludovicianainBr, Columbia, 

 367. 



Macrosiphum nipponicum, sp. n., 

 in Japan, 547. 



Moicrosiphum nishigaharae, sp. n., 

 on Chrysanthemum in Japan, 547. 



Macrosiphum pisi (see Acyrtho- 

 siphon). 



Macrosiphum rhododendri, sp. n., 

 on Rhododendron californicum in 

 Oregon, 372. 



Macrosiphum rosae, on Rosa in Br. 

 Columbia, 361 ; control of, on 

 roses in France, 470 ; on Rosa 

 multiflora in Japan, 547 ; in 

 Sweden, 146. 



Macrosiphum rosaeiformis, sp. n., 

 (Punjab Rose Aphis), on roses in 

 Lahore, 473. 



Macrosiphum rubiellum, destroyed 

 by fowls in Britain, 58. 



Macrosiphum rudbeckiae, on Soli- 

 dago in Br. Columbia, 361 ; food- 

 plants of, in Japan, 547. 



