INDEX. Ixxvii 



PAGE 



Grosbeak, rose-breasted, attacking gypsy moth, . . . 207, 219 

 Grote, Prof. A. R., on systematic position of dispar, . . . 256 



Gulls as insect destroyers, 206 



Gypsy moth, acclimation of, ........ 94 



act to provide against depredations by, 47 



annual increase of, 95 



area occupied by, 94, 103 



attacked by parasites, 375, 385 



attacked by predaceous insects, . . . . . . 381, 392 



bibliography of, 257 



caterpillars. See Caterpillars of the gypsy moth. 



colonies of, exterminated, 65 



committee, appointment of, 49 



committee, meeting of, with Metropolitan Park Commission, . 78 



committee, name of, changed, 76 



comparison of numbers destroyed yearly, 93 



common names of, 256 



conditions favoring rapid increase of , . . . . . . 95 



description of caterpillar, . 300 



description of eggs, 288 



description of imago, 336 



description of pupa, 333 



destruction of, by birds, 7, 96, 209, 272 



destruction of, by burlapping, 167 



destruction of, by burning, 119, 127 



destruction of, by spraying, 58 



destructiveness of, ....... 23, 40, 57, 70 



distribution of. See Distribution. 



efforts of citizens to destroy, 34, 68, 77, 84 



egg-clusters. See Egg-clusters. 



exterminative methods to reduce number of, .... 60 

 female. See Female. 



first destructive appearance of, 7 



food plants of 58, 97, 318 



form in which imported, . 4 



hermaphrodites, 339 



hibernation of, 245 



history in America, 3 



history in the Old World, ........ 273 



identification of, 32 



in America, occurrence of, recorded by Professor Riley, . . 3 



in England, 268 



in England, how exterminated, 272 



in Europe, 67, 274 



in Europe, methods for destroying, 284 



increase of, checked, 94 



increase of, due to English sparrow, ...... 235 



increase of, retarded by fires 7 



increase of, retarded by isolation, 6 



injuries of, in Old World, 273 



injuries of, to woodland, . 88 



