INDEX. 



809 



sulci frons, Sitona. 



Sulpho - arsenical Lime, dusting 

 experiments with, against orchard 

 pests, 353. 



Sulpholeum, spraying with, against 

 Apliids and red bugs, 60. 



Sulphur, 244 ; dusting with, 18, 30, 

 122, 125, 131, 134, 167, 181, 228, 

 237, 250, 290, 293, 322, 390, 406, 

 473, 476, 479, 504, 513, 520, 523, 

 525, 590 ; fumigation with, 149, 

 331, 355, 366, 369, 483, 516, 528, 

 610 ; spraying with, 33, 167, 204, 

 318, 425, 479, 504, 512, 513, 518 ; 

 and arsenic, 149, 369 ; and 

 calcium arsenate, 125 ; and lead, 

 390 ; and lead arsenate, 18, 30, 

 112, 131, 134, 181, 228, 237, 290, 

 384, 406, 523, 525 ; and hme. 

 125, 228, 271, 318, 322, 343, 384, 

 513, 518 ; new method of com- 

 bining, with lime, 408 ; and 

 naphthaline, 590 ; and nicotine, 

 18, 181, 290, 390 ; and salt, 318 ; 

 and soap, 33, 479 ; formulae 

 containing, 30, 33, 112, 125, 131, 

 134, 181, 228, 237. 271, 290, 318, 

 343, 384, 512, 513, 518, 523, 525 ; 

 not injurious to plum foliage, 18 ; 

 commercial, not suitable for dust- 

 ing, 19 ; proportion of, in lime- 

 sulphur solutions, 271 ; regula- 

 tions enacted and proposed for 

 sale of, in South Africa, 465 ; 

 ineffective against Anthonomus 

 grandis, 570 ; less effective than 

 oil emulsion against Aspidiotus 

 perniciosus, 121 ; of little value 

 in mixtures against Phorbia 

 hrassicae, 127, 128; fumigation 

 with, impracticable against 

 Pseudococcus bakeri, 111; unsatis- 

 factory against Tetranychus bi- 

 maculatus, 406. 



Sulphur, Liver of (see Potassium 

 Sulphide) . 



Sulphur Compounds, comparative 

 spraying tests with, 512. 



Sulphur Dioxide, fumigation of 

 ants' nests with, 546. 



Sulphurated Potash, 584. 



Sulphuretted Hydrogen, presence of 

 magnesium in lime-sulphur caus- 

 ing release of, 271. 



Sulphuric Acid, in preparation of 

 hydrocyanic acid gas, 28, 352, 

 376, 388. 



Sumac, pests of, in U.S.A., 246, 335. 



Sumatra, new fruit-flies from, 97, 98 ; 

 measures against Helopeltis spp. 

 in, 176, 177 ; Rhynchophorus 

 spp. in, 297 ; measures against 



(6630) 



Lepidopterous pests of tobacco 

 in, 85, 86, 225, 280 ; financial loss 

 due to tobacco pests in, 85 ; 

 pests of tea-seed in, 535 ; Psocus 

 taprobanes not injurious to cin- 

 chona and tea in, 493 ; (see Dutch 

 East Indies). 



suynatre->\sis, Dinothrips. 



Sundri (see Heritiera fames). 



Sunflower, Holopterna valga on, in 

 South Africa, 330 ; Entylia 

 bactriana on, in Nova Scotia, 385 ; 

 pests of, in U.S.A., 168, 482, 585 ; 

 not susceptible to Tylenchiis dip- 

 saci, 169. 



Sunflower Aphis (see Aphis corni- 

 foliae.) 



sunia, Xylomyges. 



Sunlight, as a means of destroying 

 wood-borers, 289, 437, 577 ; effect 

 of, on injury due to fumigation 

 with hydrocyanic acid, 310. 



superfiua, Anomala. 



supernotatus, Psenocerus. 



Supersolfo, a new combination of 

 lime and sulphur, 408. 



superstitiosus, Dysdercus. 



suppressalis, Chilo. 



suppressaria, Biston. 



siirinamensis, Pycnoscelus ; Silvanus. 



suturalis, Eleodes ; Ips ; Macro- 

 dactyliis. 



suturellus, Dysdercus. 



swainei, Xyleborus [Anisandrus) . 



Swamp Bay (see Tamala pubescens). 



Swede, Euxoa segetuni on, in Meck- 

 lenburg, 110; wheat severely 

 attacked by Leptohylemyia coarc- 

 tata when grown after, 321. 



Sweden, Psyllids in orchards in, 

 155 ; forest pests in, 6, 301, 302, 

 568 ; Tarsonemus spirifex in, 223. 



Sweet Potato (Ipomoea batatas), not 

 attacked by Lema bilineata in 

 South Africa, 187 ; pests inter- 

 cepted on, in Cahfornia, 44, 265, 

 266, 514 ; pests of, in India, 272, 

 273 ; pests of, in Dutch East 

 Indies, 507 ; pests of, in Mauritius, 

 559 ; new weevil on, in Rhodesia, 

 90 ; in rotation of crops against 

 Tomaspis saccharina in Trinidad, 

 263 ; pests of, in U.S.A., 103, 

 112, 235, 312, 334, 570 ; pests of, 

 in West Indies, 322, 400, 428, 

 429, 430, 456, 502 ; Metarrhizium 

 anisopliae artificially cultivated 

 on, 454. 



Sweet Potato Weevil (see Cylas 

 formicarius) . 



Sweet Potato Weevil, West Indian 

 (see Euscepes batatae). 



