vm 



CONTEXTS. 



Page 



Thocccs 288 



So:\ttoreii ogirs 290 



DaU' of liatohinj: 294 



A ifotviui Imxxi 295 



The l;vrv:i or i^^terpillar 299 



Fix\iing haMts 311 



rnx>e5S of puivation 332 



The puivH 333 



riii^sition in the lield, S3o 



The imaiTV^ • 336 



Mating 342 



Hahits of flight 344 



The a*somWing of the gyjvsv moth, 34o 



On trapping male^? 357 



Oviposition 363 



Parthenogenesis, ... 365 



Internal aiiatomv. 368 



Natural enemies of the gypsy moth. . . 375 



Hymenoptera 375 



CoKiptera 3S1 



Piptera, 385 



llemlptera 392 



Spidexs;, . 404 



Insectivorons -vertebrates 404 



Vegetable i-arasiftjs, 405 



Inseorioide* 407 



Analyses of poisoned larv* 474 



Effects of inseotiddes on foliage, 489 



Analyses of inseotiddes 492 



Leaf area of trees, 494 



ArrEsmcES : — 



Apjiendix A. report of a conference held at the rooms of the State Board of 



Agriculture. Boston, Mass., March 4. 1891, iii 



Appendix B. revised mles and regulations adopted by the State Board of 



Agriculrnre, 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 



\rork done in it in 1891 xxrii 



Appendix P. reports of entomologists -who xisited the infested region in 1893. xxxii 



Appendix E, reports of entomologists who risired the infested region in 1894 ; 



opinion of the Vnited States entomologist, xliii 



Api«ndix F, the dangers of arsenical poisoning resulting from spraying with 



insecticides, Iii 



Appendix G, a list of correspondents and observers who have furnished in- 

 formation in regard to the gypsy moth in Massachusetts, . . . Iviii 



