CONTENTS 



Proceedings of the 22d Aaaual Meeting of the American Association of 

 Economic Entomologists 



Tlie Relation of Temperature to the Growth of Insects 



/•;'. D. Snmhrson 113 

 A Constant Low Temperature Apparatus for Biological luvestigations 



E. a Cotton 140 

 Tiie Unprecedented Apjiearance of the Saddled-promineut 



E. F. Hitclwigs 14G 

 The Larch Saw-fly, A^wotuo <;nc/(S0M// (.'. G. Hewitt 149 



Notes oa the Corn Ear- worm T. J. Ileadlee 149 



Notes on Aphis madiradicis^ G. G Aimlie 157 



The Cherry Ermine Moth F. J. Parwtt 157 



1, Further ohserxsitions on Empoanca mali ; 2. Notes on Papaipema 



iiiiela and P. cataphracta F. L. Washburn 162 



Methods in rearing the grape root worm, Fidia vitieida Walsh and 



the codling moth, Catpoeapsa pononella Tuinn^ A. G. Hammar 109 

 Work on the Apple Maggot W. C. O^Kam 169 



Spraying for the CJodling Moth E. P. Felt 172 



Notes on the 104ined Potato Beetle in Montana R. A. Cooley 178 



Work with Parasites of tlie Gipsy and Brown Tail Moths^ If, F. Fish 179 

 Insect Notes from Illinois for 1909 John J. Davis 180 



The Seasons Work on Arsenical Poisoning of Fruit Trees 



E. 1). Ball, E. G. Tiins and /. E. Greaves 187 

 Notes on the "Cigarette Beetle" P. A. Hertzog i'!> 



Studies of the Development of. Eupelmus alli/nii French and Slictonotwi 



isosomatus 'Rilej E. G. 0. Kelly 202 



CoUembola as Injurious Insects Walter E. ColUnge 204 



Some Notes upon the Life History and Habits of the Sorghum Midge 



IF. Ilarpn- Dean 205 

 Some Insecticide Tests for the Destruction of Apliididae and their . 



Eggs C. P. Gillette 207 



Insect Notes from New Hampshire for 1909 E. D. S'lnderson 210 



Insects Notably Lijurious in Louisiana during 1908 and 1909 



Arthur H. Rosenfdd 212 

 Notes on C'cdosoma frigidwn Kirby, a Native Beneficial Insect 



A. F. Bum-x 317 



Proceedings of the 8th Annual Meeting of Horticultural Inspectors 



Results of Various Remedies for San Jose Scale in Pennsylvauia 

 Orchards, as seen by the Inspectors in tJie Orchards^ 



H. A. Surface 238 

 What Should be the form of our Certificates ? Franklin Sherman, Jr. 223 

 Some Obscure Diseases of the Peacli /. B. S. Norton 228 



Local Inspection, Public Sprayers and the Osage Orange Hedge 



Thomas B. Synions 236 

 Scientific Notes 222, 250 



Editorial »51 



Reviews '-^''- 



Current Notes '■^■'^ 



r.lidrav.Ti for puViliciition olsewUere. 



