566 



IXDEX 



Spraving notes on fruit tree leaf-roller, 



4:57. 



Stable fly, 350. 



StomoxA's calcitrans, 350. 



Striped tuiTiip flea-beetle, 429. 



Sudan grass enemies, 230-234. 



Sulfur as an insecticide, 4S7. 



Sulphides and polysulphides, insecticidal 



properties. 204-205. 

 Sui'face, H. A., 199. 23S. 

 S^vezey. 0. H., 450. 

 S^Tphus fly, corn-feeding, 33S-342. 



TaiTiished plant bus, 361-367: false. 



296-297. 

 Tarter, H. V., 481. 

 Tennes lucifugus, 308. 

 Thecabius populicauHs, 420, 

 populiconduplifolius, 99. 

 Thiips tabaci. 349. 



Thvsanoptera, mouthparts and injuries 



bv, 354-360. 

 Titus. E. G,. 175. 

 Tower, D, G,, 431. 

 Toxicity, theoiy of, 509-512. 

 Trioza niagnoliae. 551. 

 Tritoxa flexa, 348. 



Turkeys and gi'asshoppers, 226. 



Undergi'ound insects, methods of studv 

 135-139. 



Unique t}-pe of insect inimy, 261-266. 

 Vickeiy. R. A., 3S9. 

 Walker, -H. C., 306. 



Water under pressure for mealv bug 



304-305, 

 Webster. F. M., 527. 

 Webster. R. L., 371. 

 Weiss, H. B.. 133, 500, 552. 

 Weldon. G. P., 450, 

 Wilson, H. F., 481. 

 Wilt, hst of aflected insects. 140-149- 

 Wilt polyhedra, 146. 

 Wohlfahi-tia magnifica, 320. 

 Wolcott. G. X., 496. 

 Woodworth. C. W,. 302, 509. 

 Woolly aphis. 1S6-190, 450. 

 Wool maggots, 466-474: control. 473 



474. 



T\ oiTQS, introduced, 403-404. 

 Yothers, W. W,, 161, 29S, 304. 



