Ixvi 



THE GYPSY MOTH. 



Carbon bi-sulphide, eggs treated with, 

 earlier ou parthenogenesis, .... 

 Carpenter, F. B., cotton plants received from, 

 Carpocapsa pomonella taken under burlaps, 

 Castor oil on eggs, 

 Catbird attacking the gypsy moth, 



destruction of silkworms by, 



feeding habits. 

 Caterpillars of the gypsy moth attacked by Polistes pallipes 



attacked by predaceous bugs, 



attracted to light, . 



become a serious nuisance, . 



comparison of numbers of, destroyed annually, 



description of , 



desti'oyed by birds, 



destruction of, by burning, .... 57, 58 



destruction of, by spraying, . 



detrimental to real estate, 



disease among, ... 



distance travelled by, . 



distributed by birds, 



distributed by spraying, 



distribution of, . • . 



effect of cold on, . 



effect of heat on, . 



European methods for destroying 



expense of destroying, . 



feeding habits of , . 



feeding on cotton plant, 



first and last appearance of, . 



food selection by, . 



found on vehicles, . 



indications of presence of, . 



insecticides for destroying, . 



killed by spraying, 



length of life of the, 



loss of weight in pupating, . 



means of preventing spread of, 



molting of, . 



not affected by insecticides, . 



number from single egg-cluster, 



number greatly reduced by exterminative methods 



obstruct railroad trains in Europe, 



places of pupation, 



poisoned, analyses of, . 



prevented from ascending trees, . 



scattering of. See Distribution. 



spinning habits of, 



sprayed with contact insecticides, 



spread of, injury caused by, . 



54, 



PAGE 



408 



366 



324 



171 



417 



6, 208, 213 



6 



237 



378 



392 



310 



14 



93 



300 



7, 96, 209, 228 

 59, 87, 126, 165 

 58 

 21 

 . 280 

 58, 310 

 214, 236 

 . 113 

 :, 58, 97, 112 

 96, 328 

 96, 327 

 117, 284 

 79 

 . 311 

 . 324 

 . 304 

 . 485 

 39 

 86 

 137, 417, 477 

 . 57, 64 

 96, 306 

 . 333 

 63 

 304, 308 

 157, 474 

 94, 297 

 60 

 280 

 335 

 474 

 64 



102, 330 



67, 163, 485 



59 



