

^'^mi^^m^^mSm 



CONTENTS 



Proceedings of tKe 24tli Annual Meeting of the American Association of Eco- 

 nomic Entomologists {Continued) 



Wire worms in corn and potatoes » ' 0. A. Johanssen 



The time when wheat should be sown to escape the fall brood of Hessian 



fly 



A. 



T. J. Headlee 



R. E. Smith 



F. L. Washburn 



C. P. Gillette 



W. D. Hunter 



A. H. Jennings 



W. W. Yothers 



R. A. Cooley 



E. D. Ball 



E. P. Felt 



L. Quaintance 



G. W. Herrick 



A. F. Burgess 



The com bill bug, Sphenophorus callosus^ 



Grasshopper work in Minnesota during the season of 1911 



Grasshopper conditions in Colorado 



The outbreak of Alabama argillacea in 1911 



Some problems of mosquito control in the Tropics 



Insecticides for controlling the white fly 



Ortho arsenite of zinc as an insecticide 



The efficiency of the driving spray 



Recent experiments with the codling moth 



Discussion of codling moth work 



Notes on three shade tree pests 



Some shade tree pests in eastern Massachusetts 



The gooseberry gall midge or bud deformer, Rhopalomyia grossulariae 



J. S. Houser 

 The occurrence of the pear thrips in New York P. J. Parrott 



Results of experiments to determine the effect of Roentgen rays upon 

 insects 1^. D. Hunter 



The more important insects in 1911 in Nebraska M. H. Swenk* 



The susceptibility of adults and eggs of Pear Psylla to spraying mixtures 



P. J. Parrott and H. E. Hodgkiss 

 Progress in exterminating two isolated gipsy moth colonies in Connecti- 

 cut W. E. Britton 

 Unconsidered factors in disease transmission by blood-sucking insects 



Frederick Knab 

 Utilization of fungous parasites of Coccidae and Aleurodidae in Florida 



J. R. Watson 

 Proceedings of the 10th Annual Meeting of the American Association of 

 Official Horticultural Inspectors (Continued) 



What should the State require of a negligent owner of a dangerous 

 orchard? S. A. Forbes 



A recent decision of the Supreme Court of Kansas S. J. Hunter 



The advisabiUty of exempting from fumigation, nursery stock not suscep- 

 tible to San Jos6 attack P. A. Glenn 

 Enforcing fumigation and the attitude of nurserjonen and growers to the 

 treatment T. B. Symons 

 The chestnut bark disease Haven Metcalf 

 The present status of crown gall J. B. S. Norton 

 Hippodamia ambigua in Massachusetts B. N. Gates 

 The position assumed by female grasshoppers when ovipositing 



F. B. Milliken 

 Editorial 

 Obituary 

 Reviews 

 Current notes 



'Withdrawn for publication elsewhere. 

 'Paper not received in time for publication. 



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