816 



INDEX. 



Siiona siiinralis, rarein Scotland, 177. 

 Sitona tibialis, food-plants of, in 



Scotland, 177. 

 Sitones (see Sitona). 

 sitophaga, Lobesia. 

 Sitophilus (see Calandra). 

 Sitotroga cerealella (Angoumois Grain 

 Moth), in imported products in 

 British Columbia, 126 ; in stored 

 rice in Ceylon, 165 ; on rice in 

 Cochin-China, 35 ; on cereals in 

 France, 266 ; Chalcid parasite of, 

 in Italy, 5 ; in stored maize in 

 Mexico, 104 ; in stored products 

 in Russia, 117 ; in stored cereals 

 in U.S.A., 194, 298, 594 ; fumi- 

 gation against, 104, 194. 

 siwalikensis, Sphaerotrypes. 

 Six-toothed Pine Beetle (see Ips 



acuminatus) . 

 skottsbergi, Physothrips. 

 slavae, Brachycolus. 

 Sloe (see Prunus spinosa) . 

 Slugs, in Britain, 49, 242 ; destroy- 

 ing Ceuthorrhynchns pletirostigma, 

 242 ; measures against, in mush- 

 room beds, 49. 

 Small Elm Bark-beetle (see Scolytus 



multistriatus) . 

 Small Fruit-tree Bark-beetle (see 



Scolytus rugulosiis) . 

 Small Green Chafer (see Pyronota 



f estiva) . 

 Small Strawberry Weevil (see Bary- 



pithes araneiformis) . 

 smaragdina, Oecophylla. 

 Smartweed (see Polygonum hydro- 

 piper). 

 Smartweed Borer (see Pyrausta 



ainsliei) . 

 smei, Xylotrechus. 

 Smerinthus tiliae, on mulberry in 



Serbia, 503. 

 smilacifoliae , Aphis ; Macrosiphiwi. 

 Smilax {Asparagus medeoloides), 

 Rhizoglyphus on, in greenhouses 

 in Pennsylvania, 381. 

 Smilax, Haplothrips inquilinus on, 

 in Ceylon and Dutch East Indies, 

 272. 

 Smilax chinensis, new Aphids on, in 



Formosa, 408. 409. 

 smithi, Lachnosterna {Phytalus). 

 Smynthurus hortensis, on beans in 



Quebec, 421. 

 Snapdragon (see Antirrhinum). 

 snelleni, Acanthopsyche. 

 Snowball, Aphids on, in Germany, 



505, 506. 

 Soap, and carbolic acid, for destroy- 

 ing ants' nests, 204 ; against 

 Aphids, 34, 87, 281. 336 ; against 



Capsids, 583 ; shrubs scrubbed 

 with solution of, against Cero- 

 plastes, 147 ; in mixtures for 

 painting trees etc. against Coccids 

 and other Homoptera, 143, 411 ; 

 against Erythroneura spp., 193 ; 

 against Eepidoptera. 34. 224 ; 

 attractive to locusts and crickets 

 in baits. 43 ; watering with, 

 against millipedes. 227 ; against 

 mites. 227, 631 ; cabbages dipped 

 in solution of, against Phorbia 

 brass icae etc., 433 ; against Zono- 

 cerus elegants, 216 ; as a spray, 34, 

 87, 193, 216, 224, 227, 281, 336, 

 583, 631 ; in mixed sprays, 14, 

 19, 51, 69, 70. 72, 73, 76, 81. 86. 

 92, 94. 103. 110. 123. 133. 141, 

 143, 147, 189, 192, 198, 209, 212, 

 231, 248, 258, 261, 295, 305, 306, 

 311, 320, 324, 335, 336, 346, 363. 

 364, 370, 379, 384, 403. 405, 413, 

 414, 444. 446. 461. 509. 511. 520, 

 533. 537. 547, 548, 553, 554, 558. 

 574, 580, 582. 605, 631 ; wetting 

 power of various solutions of, 

 370 ; formulae containing, 14. 50, 

 51. 69. 72. 86, 92, 110, 123, 133, 

 141, 143, 198, 204, 209, 248, 261, 

 295, 305. 311. 324. 379. 413. 414, 

 461, 520, 537, 547, 548, 554, 558, 

 582, 605, 631 ; analysis of, 210. 

 (See also under the various kinds 

 of soap.) 

 sobria, Servillia. 

 sobrinus, Agriotes. 

 socialis, Coccidotrophus. 

 Soda, in formula for spraying against 

 Idiocerus, 159 ; precautions ni 

 spraying with, against Cero- 

 plastes, All . (See Caustic Soda.) 

 Soda Sulphur, effect of, against 

 rust mites etc., 342 ; and oil 

 emulsions, 342. 

 Sodium Arsenate, in spray formulae 

 against Coleoptera and fruit-flies, 

 298. 394. 575. 631 ; in formulae 

 for baits for Anthomyiids and 

 Typophorus, 229. 246 ; effect of, 

 on locusts, 559. 

 Sodium Arsenite, against ants, 204, 

 548 ; against Cassida nebulosa, 

 461 ; against fruit-fiies, 3, 68, 174; 

 for treating onions against Hyle- 

 myia antiqua, 577 ; against 

 locusts, 216, 289, 374, 430, 546, 

 547 ; against millipedes, 44 ; 

 addition of, to lime-copper spray 

 against vine moths, 147 ; in baits, 

 44, 68, 174, 204, 216, 374, 430, 

 547 ; formulae containing, 3, 44, 

 68, 174, 204, 216, 289, 577. 



