February, '1-1] ENTOiNIOLOGICAL INVESTIGATIONS 13 



N'eiv York, Cornell University, Ithaca, — Glenn W. Herrick. 

 Further experiments in the control of the fruit-tree leaf-roller. 



This will consist mainly of a series of cooperative experiments. 

 Life historj' and control of the codling moth in western New York. R. W. Braucher 

 in charge. 



The work on the life history is practically completed. 

 The canker worms of New York. F. W. Pettey in charge. 

 The work has just been begun. 



North Carolina, ^A'est Raleigh, — Z. P. Metcalf. 

 Investigations of the imported cabbage web worm, Hellula undalis Fabr. 

 In progress. 



Ohio, Wooster, — H. A Gossard. 

 The two species of peach borers in the Lake Erie fruit district. Life history studies 



and control measures. Codling worm and lesser apple worm in same district. 



J. L. King. 

 Clover leaf roller. Life history and control measures. H. A. Gossard. 

 Grape berrj' worm. Life history and control measures. W. H. Goodwin. 



Tennessee, Knoxville, — E. C. Cotton. 

 Peach tree borer. 



Utah, Logan, — E. G. Titus. 

 Life histor}- of the codling moth. 



Washington, Pullman, — A. L. Melander. 

 Vanessa calif ornica. 



This insect appeared in excessive numbers last season from British Columbia 

 to California. 



Investigations dealing with Dipiera 



Canada, Guelph, — Lawson Caesar. 

 Life history, distribution and control of the apple maggot, Rhagoletis pomonella. 



Almost completed. 

 Life history, distribution and control of the cherry fruit flies, Rhagoletis cingulata and 

 R. f oust a. 



Almost completed. 



Connecticut, Storrs, — G. H. Lamson. 

 The use of hogs in controlling the apple maggot. 



Connecticut, New Haven, — -"W. E. Britton. 

 The control of the mosquito nuisance in Connecticut and the effect of drainage on 

 the salt marsh flora and yield. 



Some progress has been made, but observations must necessarily extend over 

 a period of several years. 

 Control of cabbage maggot. 



Field tests have been made and will be continued. 



Indiana, Lafayette, — James Troop. 

 The life history of the Hessian fly in northern, central and southern Indiana. 



