December, ' 12] HEADLEE: ENTOMOLOGICAL INVESTIGATIONS 475 



18. Grasshoppers. 



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



19. Life histories, habits and means of controlling the tree crickets, 0. niveus and 

 related species. 



Completed and being prepared for publication. 

 Ohio, Wooster, — H. A. Gossard. 



20. Grasshoppers. 



Some data accumulated. 



West Virginia, Morgantown, — W. E. Ramsey. 



21. The control of the walking stick. 



Invesligations dealing with Hemiptera 



Arkarisas, Fayetteville, — George G. Becker. 



22. The supposed immimity of Northern Spy stock to the attack of woolly aphis- 

 Little progress thus far. 



Canada, Guelph, — Lawson Caesar. 



23. Capsids attacking the fruit or foliage of the apple. 



Substantial progress. Three species have been discovered during this work, a 

 number of photographs of injury have been made and a considerable amount 

 of data collected. 



Canada, Ottawa, — C. Gordon Hewitt. 



24. Capsid and aphis injuries in British Columbia. 



25. The chinch bug in Ontario. 

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



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

 Well advanced. 



27. Life history and methods of controlUng the tomato psyUid. S. Arthur Johnson 

 in immediate charge. 



Florida, Gainesville, — J. R. Watson. 



28. White fly studies. 

 Substantial progress. 



Illinois, Urbana, — S. A. Forbes. 



29. Tests on a large scale of improved methods of individual and community 

 operation against outbreaks of the chinch bug. 



Campaign this year very successful. 

 Iowa, Ames, — R. L. Webster. 



30. Oyster shell scale, Lepidosaphes idmi. 



Kansas, Manhattan, — T. J. Headlee, J. W. McCuUoch. 



31. The life economy and better measures of controlUng the chinch bug. 

 Substantial progress, some circulars published and a bulletin ready for press. 

 Kansas, Manhattan, — T. J. Headlee. 



32. Control of San Jose scale. 



Substantial progress, two reports, some circulars already published and a bulletin 



now ready for the press. 

 Maine, Orono, — Edith M. Patch. 



33. Ecological and morphological investigations of Aphid idse. 



34. Ecological and morphological investigations of PsylUdse. 

 Mississippi, Agricultural College, — R. W. Hamed. 



35. Scale insects of Mississippi (food habits and hfe history of the native species). 

 Progress good, some pubUcation. 



Missouri, Columbia, — Leonard Haseman. 



