CONTENTS 



American Association of Economic Entomologists, Proceedings of the 



23d Annual Meeting {Continued) 



Page. 



Economic importance of Stictocephala Herbert Osborn 137 

 A method of securing the fertiUzation of clover by means of bumble bees, 



in experiments with Bruchophagiis funebris F. L. Washburn 140 



Heat as a means of controlUng mill insects G. A. Dean 142 

 The Griesa research fellowship in entomology at the University of Kansas 



S. J. Hunter 161 



The woolly aphis, Schizoneura lanigera H. W. Lohrenz 162 



The larch sawfly in Minnesota A. G. Ruggles 171 



A new sawfly enemy of the bull pine in Nebraska* M. H. Swenk 172 



Control of the apple maggot by picking up drops W. C. 0' Kane 173 



Some notes on injurious leaf hoppers* Herbert Osborn 179 

 Notes on the wheat-head army worm, Meliana albilinea Hubn., as a timothy 



pest R. L. Webster 179 



Spraying apparatus for orchard insects E. D. Ball 184 



Spraying of woodland and shade trees L. H. Worthley 188 



Spraying apparatus for scale insects E. L. Worsham 193 



Spraying with linseed oil wash for the oyster-sheU scale R. L. Webster 202 



The terrapin scale in Maryland* T. B. Sy7nons and E. N. Cory 203 



Entomological review of the year 1910 H. A. Gossard 203 



Notes on the life history and habits of Pegomya brassicae W. J. Schoene 210 



Oviposition among tree crickets P. J. Parrott 216 



The cabbage aphis, Aphis brassicae G. W. Herrick 219 



Notes on some insects affecting the sugar-cane F. W. Urich 224 



Habits of the honeysuckle aphis, Rhopalosiphum zylostei M. E. Murlfeldt 227 



Why collect insects? M. E. Murtjeldt 229 

 Life history of the rice weevU, Calandra oryza Linn., in Alabama 



W. E. Hinds and 



W. F. Turner 230 



Injurious insects of 1910 at Treesbank, Manitoba Norman Criddle 236 

 The cotton square weevil of Peru and its bearing on the boll weevil 



problem in North America C. H. T. Townsend 241 

 A simple and convenient system of keeping general entomological records 



C. H. T. Townsend 249 



Some ways of reaching the public H. A. Gossard 252 



Spraying for the Euonymus scale C. P. Metcalf 259 



• Withdrawn for publication elsewhere. 



[Continued on page 3 of cover.] 



