492 



INDEX 



Temperature, high, 313-22. 



and oviposition, 417. 



relation to insect development, 174- 

 79. 

 Tenebrio mohtor, 177. 

 Tenebrioides mauritanicus, 318. 



molitor, 318. 

 Tetranychus bimaculatus, 324, 481. 

 Tetrastichus asparagi, 296. 

 Thrips eerea'.ium, 212. 



tabaci, 196-97. , 

 Tiphia tnornata, 382-89. 

 Tolype laricis, 371. 

 Tower, D. G., 422-32. 

 Townsend, C. H. T., 357-67. 

 Toxoptera graminum, 403-404, 414, 415. 

 Tribolium confusum, 204, 316, 318. 



ferrugineum, 204. 

 Triphleps insidiosus, 330. 

 Trogoderma ornatum, 317. 

 Trombidium sp., 152. 



Vaccinium speci&s, 398. 

 Verruga work, progres.s, 357-67. 



Walking stick, 299. 



Warble fly, occurrence in Canada, 195. 

 Washburn, F. L., 34, 64, 348. 



and Spangler, A. J., 119-23. 

 Webb, J. L., 432-38. 

 Webber, R. T., 368-73. 

 Webster, F. M., 403-404. 

 Webster, R. L., 33. 

 Weiss, H. B., 2.50-51, 438-40. 

 Wheat stem maggot, 212. 

 White grubs, 382, 386, 389. 



pine weevil, 375. 

 Whitmarsh, R. D., 336-39. 

 Wire worms, 308. 

 Wolcott, G. N., 382-89. 

 Woods, W. C., 398^00. 



Xylina antennata, 189-91, 



Ypsolophus ligulellus, 191-92. 

 pometellus, 191-92. 



Zacher, F., 483. 



Zagrammosoma multihneata, 454. 

 Zelus rubidus, 462. 

 Zenoleum, 286, 287. 

 Zoophagous itonididse, 458-59. 



