IXDEX. 



295 



Sugar-cane borer, 21 

 Sulphur, 290 

 Syrphidse, 34 

 Syrphus americana, 35 



-flies, 34 



ribesii, 35 

 Systena hudsonias, 264 



taeniata, 264 

 Systoechus oreas, 63 



Tacliina-flies, 63 

 Tarnished plant- bug, 263 

 Tenebriodes mauritanicus, 158, 



159 

 Tetranychidae, 179 

 Three-lined leaf-beetle, 252 

 Thyridopterj'^x ephemergeformis, 



196 

 Tipula bicornis, 90 

 costalis, 90 

 hebes, 91 

 Tipulidae, 90 

 Trachea, 16, 18 

 Trap-crops, 26 

 Trichobaris trinotata, 24 

 Trichogramma pretiosa, 192 

 Tripsacuin dactyloides, 149 

 Trombidiuni locustarum, 63, 64 

 Tobacco bud -worms, 220 

 -bug, Spined, 219 



Tobacco dust, 18 



Flea-beetle, 229 

 Injury to, 4 

 Insecticide, 289 

 Insects, 214 

 Leaf-miner, 227 

 Stalk-worm, 217 

 -worm, 231 



Webworms, Beet, 259 



Corn-root, 130 

 AVeeds, 23 

 "Weevil, Grain, 155 

 Western Corn root-worm, 29, 



125 

 Whale-oil soap, 18, 289 

 Wheat insects, 90 



Isosoma, 29 



Joint-worm, 22, 24, 93 



-louse, 115 



Plant-louse, 29 



-maggots. 111 



•midge, 122 



Saw-flies, 119 



Saw-fly borer, 97 



Stem-maggot, 111 



Straw- worm, 96 

 White grubs, 28, 44, 252 

 Wiuthemia 4-pustulata, 83 

 Wireworms, 24, 28, 29, 48, 252 



