INDEX. 



817 



Sodium Bicarbonate, effect of solu- 

 tion of, on Aphelenchus cocophilus, 

 107. 

 Sodium Borate, in formula for bait 



for Daciis oleae, 68. 

 Sodium Bromide, percentage of 

 moisture given off by solution of, 

 43. 

 Sodium Carbonate, against Chry- 

 somelid asparagus pests, 631 ; 

 watering with, against Hylemyia 

 antiqua, 50 ; against Icerya pur- 

 chasi, 398 ; against Laphygma 

 exigua on vines, 631 ; in Kedzie 

 mixture, 478 ; formulae contain- 

 ing, 50, 398, 478, 631 ; as a 

 water-softener, 198. 

 Sodium Chloride (Salt), experiments 

 with, against Aphelenchus coco- 

 philus, 107, 108, 358 ; in solution 

 for separating Bruchid-infested 

 beans and peas, 222, 591 ; in 

 baits for grasshoppers, 31, 379, 

 494, 529 ; attractiveness of baits 

 not improved by, 46 ; in bands 

 against Iridomyrmex humilis, 493 ; 

 various uses of, against Ovyctes 

 rhinoceros, 456 ; against Pieris 

 spp., 61 ; against Phenacocciis 

 hirsuius, 520 ; and lime, against 

 Psylla niali, 199, 308 ; against 

 slugs, 49 ; solution of, for floating 

 out galls of Tylenchus scandens in 

 wheat, 11 ; formulae containing, 

 199, 308, 493, 494, 520 ; percen- 

 tage of moisture given off by 

 solution of, 43. 

 Sodium Cyanide, against Aegeria 

 exitiosa, 610 ; against Cramhus 

 horiuellus, 247 ; against under- 

 ground pests, 17, 44, 196, 246, 

 361 ; in preparation of hydro- 

 cyanic acid gas [q-v.), 218, 309, 

 414,480. 

 Sodium Ethyl-xanthate, disinfection 

 experiments with, against Popillia 

 japoiiica, 88. 

 Sodium Fluoride, against lyidomyr- 

 mexhumilis, 187 ; against Le^z's/na 

 in houses, 355. 

 Sodium Hydroxide, percentage of 

 moisture given ofi by solution of, 

 43. 

 Sodium Hyposulphite, effect of, on 

 Pheidole punciulata in houses, 548. 

 Sodium Nitrate (Chile Saltpetre), 

 as a soil-dressing, 411, 540, 569 ; 

 in solution for separating Bruchid- 

 infested beans, 591 ; percentage of 

 moisture given off by solution of, 

 43. 



Sodium Soy-bean Soap, spraying 

 with, against Coleoptera, 304, 

 533 ; formula containing, 533. 

 Sodium Sulphide, dusting experi- 

 ments with, against Aspidiotus 

 perniciosus, 325. 

 Sodium Sulpho-carbonate, against 

 Aegeria exitiosa, 610 ; against 

 Popillia japonica, 88. 

 Soft Scale (see Coccus hesperidum). 

 Soil, influence of character of, on 

 insect pests, 112, 237, 315, 369, 

 411, 528 ; disinfection of, against 

 Nematodes, 91, 441 ; apparatus 

 for separating insects from, 527. 

 sojae, Agromyza. 

 solanella, Aphis ; Lita (see Phthori- 



maea operculella) . 

 solani, Dacus ferrugineus ; Gar- 

 gaphia ; Macrosiphum ; Megoura. 

 solanifolii, Macrosiphum. 

 solanina. Aphis. 



Solanwn, Myzus persicae on, in 

 Argentina, 606; Aphids on, 415. 

 Solanum auriculatum, Acanthocoris 

 fasciculatus on, in South Africa, 

 124. 

 Solanwn carolinense, mosaic disease 

 transmitted to tomato from, in 

 U.S.A., 442. 

 Solanum melongena (see Egg-plant). 

 Solanum nigrum, Aphids on, in 

 Germany, 505 ; Heierodera radici- 

 cola on, in Spain, 583 ; effect of, 

 on proportion of sexes of Heiero- 

 dera schachtii, 122. 

 Solanum tuberosum (see Potato). 

 Solenopsis, intercepted in California, 



250, 357. 

 Solenopsis altinodis, destroying social 



beetles in British Guiana, 349. 

 Solenopsis geminata (Fire Ant), on 

 cacao in Brazil, 614 ; on tobacco 

 in Java, 108 ; in houses in Missis- 

 sippi, 310 ; associated with Aphids 

 and Coccids in West Indies, 55, 

 456. 

 Solenopsis geminata rufa, in houses 



in Mississippi, 310. 

 Solenopsis molesta, in houses in 



Mississippi, 310. 

 solida, Penthea. 

 Solidago serotina, Anuraphis heli- 



chrysi on, in Idaho, 133. 

 Solignum, in formula for spraying 



against Idiocerus, 159. 

 solitarius, Apanteles. 

 Solomon Islands, Levuana iridescens 

 probably introduced into Fiji 

 from, 38. 

 solstitialis, Amphimallus [Rhizotro- 

 gus). 



