CONTENTS 



Nineteenth Annual Meeting of tiik Association of Economic 

 Entomologists. 



Page. 



A Great Experiment in Applied Entomology 1. //. Kirkland— 10 



Report of Committee on Nomenclature 10 



Report of Committee on Cooperative Testing of Insecticides 12 



Insect Notes from Minnesota for 1906 /•'. L. Washburn 13 



Report of Committee on National Control of Introduced Insect Pests 19 



A New Oriental Insect Pest (?) in Massachusetts « H. T. Fernald— 22 



Occurrence of the Gipsy Moth in Connecticut W. E. Britton— 22 



Notes on Fumigation and Dipping of Nursery Trees." 



T. B. Symons and .1. B. Gahan— 26 

 The Willow Borer as a Nursery Pest (Gryptorhynehus lapathi L.). 



W. •/. Schoene— 27 



Effects of Sprays on Aphis Eggs //. E. Hodgkiss— 29 



Manner of Birth of the Woolly Aphis of the Apple (Schizoneura lanigera 



Hausm.). and of other Aphididse IP. E. Rumsey— 31 



Unusual Insect Happenings in New Jersey in 1900 John B. Smith— .°>4 



Miscellaneous Insect Notes from Maryland for 1906. 



A. B. Gahan and G. P. Weldon— 37 



Notes on Insects of the Year 190G in New York State E. P. Felt— 39 



The Pear Blister Mite (Eriophyes pyri (Pgst.) Nal.) P. •/. Parrott— 48 



Some Observations on the Natural Checks of the Cottony Maple Scale 



(Pulvinaria innumerabilis Rathv.) Edgar L. Diekerson— 4 s * 



Remarks on Methods Used in Codling Moth Experiments__.l. E. Burgess— 53 



The Control of the Codling Moth in the Arid Regions /;.. J). Ball— 55 



What Research in Economic Entomology is Legitimate under the Adams 



Act /•;. Dwight Sanderson 77 



Notes on a New Sawfly Attacking the Peach (Pamphilius persicum 



MacG.) B. U. Walden— 



Economic Work Against the Howard Scale in Colorado (Aspidiotus 



howardii Ckll.) E. P. Taylor— ^7 



The Maple Leaf Stem-Borer (Priophorus acericaiilis (MacG.) ).« 



W. A'. Britton.. !• I 

 The Value of Par.-'.s'tes in Cereal and Forage Crop Production. 



F. l/. Webster. :m 



Some Georgia Insects During 100<» R. /. Smith— h'i 



Observations on Insect Enemies of Tobacco in Florida in 1905. 



W. -I. Hooker— L06 



Observations on Cecidoinyiidse fl E. /'. Felt 112 



A Spray Nozzle for the Mechanical Mixture of Oil with Water or Other 



Liquids /•:. Dwight Sanderson i L2 



The Beel Leaf Hopper (Eutettix stricta Ball)c /•:. /). />'</// 117 



Problems in Economic Entomology in the Philippines" ('. n. Banks 117 



"Withdrawn for publication elsewhere. 



