February, '15] 



ENTOMOLOGICAL INVESTIGATIONS 



11 



Kansas, Manhattan, — Geo. A. Dean. 

 Chinch bug control. Geo. A. Dean and J. W. McColloch. 

 Chinch bug egg parasite. J. W. McColloch. 

 Control of San Jose scale. J. H. Merrill. 



Neiu York, Albany, — E. P. Felt. 

 Efficiency of San Jose scale parasites. Preliminary report in type. Begun in 1913. 



New York, Geneva, — P. J. Parrott. 

 Life history, habits, control in pear orchards of false tarnished plant-bug, Lygus 



invitus Say. H. E. Hodgkiss in immediate charge. 

 Control of late summer broods of the pear psylla. H. E. Hodgkiss in immediate 



charge. 



Life history, habits, control of grape leaf hopper. F. Z. Hartzell in immediate charge. 



New York, Cornell University, Ithaca, — Glenn W. Herrick. 

 Green apple aphis {Aphis pomi). Robert Matheson in full charge. 

 Rosy apple aphis {Aphis sorhi). Robert Matheson in full charge. 

 Pine leaf scale {Chionaspis pinifolice). Robert Matheson in full charge. 



Ohio, Wooster, — H. A. Gossard. 

 Biological and economic studies of plant lice, especially in orchards. 

 Distribution of Periodical Cicada, 1914 brood; cooperation with Biological Survey 



and State Bureau of Nursery Inspection. 

 Experiments for control of jassids or leaf-hoppers in grasslands planned. 

 Scale insects and remedies; much experimental data. J. S. Houser in immediate 



charge. 



WooUy aphis. Several years' work, not much progress. J. S. Houser in immediate 

 charge. 



Research on Pentatomidse. Several life histories practically complete. R. D. 



Whitmarsh in immediate charge. 



Oregon, CorvaUis, — H. F. Wilson. 

 Rose-leaf hopper as a fruit tree pest {Empoa rosce). Begun July 1, 1914. Leroy 



Childs aiding. 



South Carolina, Clemson CoUege, — A. F. Conradi. 

 Aphis maidi-radicis on cotton; hfe history^ food plants, ants, repeUants, control. 



Begun 1909. W. A. Thomas in charge. 



South Dakota, Brookings, — H. C. Severin. 

 Investigations of the scale insects of South Dakota. Begun in 1912. 



Tennessee, Knoxville, — E. C. Cotton. 

 The hog louse. 



Texas, College Station, — Wilmon Newell. 

 Turnip louse {Aphis pseudohrassicce) . Well advanced; prehminary publication 



being prepared. F. B. Paddock in charge. Begun in 1913. 



Virginia, Blacksburg, — W. J. vSchoene. 

 Spinach aphis {Myzus persicce), control, L. B. Smith in charge; project started spring 



of 1914. 



Pea-aphis {Macrosiphum pisi) biology and control, L, B. Smith in charge; project 



started spring of 1914. 

 Biology and the control of the three species of the aphis affecting the apple. 



Aphis pomi. Aphis sorhi and Siphocoryne avence. W. J. Schoene and M, T. 



Smulyan in charge; project started spring of 1914. 

 Effect of woolly aphis {Schizoneura lanigera) on apple trees. W. J. Price in charge; 



continuation of a project of several years' standing. 



