February, '14] ENTOMOLOGICAL INVESTIGATIONS 9 



New Mexico, State College, — D. E. Merrill. 

 Grasshoppers. 



Experiments made with hopperdozer looking toward its use in irrigated fields. 

 Also furthered the investigations into habits of the damaging species of grass- 

 hoppers. 



New York, Geneva, — P. J. Parrott, B. B. Fulton. 

 Life histories, habits and means of controlling the tree crickets, niveus and related 

 species. 



Ohio, Wooster, — H. A. Gossard. 

 Survey of Orthoptera of Wajoie County, Ohio, and' incidentally of Ohio, as oppor- 

 tunity offers. Life history and economic control studies. 



Washington, Pullman, — A. L. Melander. 

 Grasshoppers. 



An unusual outbreak in Eastern Washington was studied this fall. 



Investigations, dealing with Hetniptera 



Arizona, Phoenix, — A. W. Morrill. 

 Miscellaneous aphis investigations — Control of the several aphis pests in field and 

 garden. 



PreUminary work. O. C. Bartlett in charge. 



Arkansas, Fayetteville, — George G. Becker. 



(I) The supposed immunity of Northern Spy stock to the attacks of woolly aphis. 



(II) Studies of the relationship of woolly aphis to its various hosts. 



Substantial progress. 



Canada, Guelph, — Lawson Caesar. 

 Capsids and closely allied insects attacking apples. 

 San Jose scale, its distribution in Ontario, and control mea.sures, especially in old 



orchards. 



Completed, bulletin soon ready for press. 



Colorado, Fort Collins,— C. P. Gillette. 

 Life histories, food plants and remedies for the plant lice of Colorado. 

 Life history and methods of controlling the tomato psyllid. S. Arthur Johnson in 



immediate charge. 



Connecticut, New Haven, — \V. E. Britton. 

 Control of pea aphis by spraying. 



Florida, Gainesville, — J. R. Watson. 

 White fly studies. 



Illinois, Urbana, — S. A. Forbes. 

 Tests on a large .scale of improved metods of individual and community ojieration 

 against outbreaks of the chinch bug. 



Iowa, Ames, — R. L. Webster. 

 Oyster shell scale, Lepidosaphes ulmi. 



