CONTENTS, 



Page, 



liETTER OF TRANSMITTAL IV 



The Entomological Record for 1885 and 1886 1 



Arsenical PoiBone for the Codling Moth 7 



Paris Green, 1885 9 



Comparison of Injuries, 1885 and 1886 9 



Paris Green, 1886 10 



Summary of Paris Green Experiments 12 



Time of Application 13 



Danger of Application 14 



Comparison of Paris Green and other Poisons 14 



Effect on Curculios 15 



Conclusion 15 



Tables ; 16 



Second Contribution to a Knowledge of the Life History of the Hessian Fly 21 



The Fly in Volunteer Wheat 22 



in Experimental Sowings , 24 



Summary and Discussion 29 



Calendar 33 



On the Life History of the Wheat Bulb Worm 35 



Calendar 39 



On an Outbreak of Injurious Locusts in Central Illinois 40 



On Some Common Insects Affecting the Foliage of Young Apple-trees in the Nursery and 



Orchard 45 



The Apple Tischeria 45 



Literature 46 



Description 48 



Distribution 49 



Life His ory 49 



Parasitet 50 



The Apple Ornix 51 



Literature 52 



Nomenclature 55 



Description 55 



Distribution 57 



Life History 57 



Parasites 57 



Remedies 57 



— B 



