Front matter
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Part I., E. H. Forbush. The gypsy moth : its history in America, 3
Its introduction, 3
The unnoticed increase of the moth, 4
Influences that at first retarded its increase, 5
The first destructive appearance of the moth, 7
The outbreak of 1889 10
The swarming caterpillars become a serious nuisance 14
The destructiveness of the moth, 23
How the people fought the moth, 28
The matter brought to the attention of the public at large, .... 32
The commission of 1890, 38
The number of men employed and work done, 1890 to 1894 inclusive, . . 89
The increase and distribution of the gypsy moth, ' 94
The rate of increase, 94
Distribution as affected by food supply and other natural causes, . . 97
The connection of distribution and population, 99
The distribution of the moth by man's agency, 100
A study of the methods and routes of transportation, 106
The effect of the work of extermination on the distribution of the gypsy
moth, 113
Methods used for destroying the gypsy moth, . 117
The destruction of the eggs, 117
The destruction of the caterpillars, 126
Measures for destroying all forms of the moth, 164
A summary of the methods most useful to the farmer, .... 194
The annual inspection, 196
Measures for the information of the public, 198
Natural enemies of the gypsy moth, 203
Insect-eating birds, 203
Birds seen to feed upon the gypsy moth, 207
The progress of extermination, 244
The Gypsy Moth, Porthetria dispar (L.).
Part II., C. H. Fernald. Scientific and common names, 255
Bibliography, 257
Distribution in other countries, 267
The gypsy moth in England, 268
Methods of destroying the gypsy moth in Europe, 284 viii CONTENTS.
Page
The eggs, 288
Scattered eggs, • <KW
Date of hatching, 294
A second brood, 295
The larva or caterpillar, 299
Feeding habits, 311
Process of pupation, 332
The pupa, 333
Pupation in the field, 335
The imago,
Mating, 342
Habits of flight, 344
The assembling of the gypsy moth, 345
On trapping males, 357
Oviposition, 363
Parthenogenesis 365
Internal anatomy, 368
Natural enemies of the gypsy moth, 375
Hymenoptera, 375
Coleoptera, 381
Diptera, 385
Hemiptera, 392
Spiders, 404
Insectivorous vertebrates, 404
Vegetable parasites, 405
• Analyses of poisoned larva? 474
Effects of insecticides on foliage 489
Analyses of insecticides, 492
Leaf area of trees, 494
Appendices : —
Appendix A, report of a conference held at the rooms of the State Board of
Agriculture, Boston, Mass., March 4, 1891, iii
Appendix B, revised rules and regulations adopted by the State Board of
Agriculture, xx
Appendix C, an extract from a description of Section 8, Medford, as it appears in the section book, showing the condition of that section and the
work done in it in 1891, xxvii
Appendix D, reports of entomologists who visited the infested region in 1893, xxxii
Appendix E, reports of entomologists who visited the infested region in 1894 ;
opinion of the United States entomologist, xliii
Appendix F, the dangers of arsenical poisoning resulting from spraying with
insecticides, Hi
Appendix G, a list of correspondents and observers who have furnished information in regard to the gypsy moth in Massachusetts, . . . lviii
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You’ve reached the end of The gypsy moth. Porthetria dispar (Linn.). A report of the work of destroying the insect in the commonwealth of Massachusetts, together with an account of its history and habits both in Massachusetts and Europe.