I04 NEW YORK STATE MUSEUM 



known to be abundant could be protected to a large extent by liberal 

 applications, the last of May, to the bark of the trunk and larger 

 branches, of tree tanglefoot. The discovery in July or early 

 August, of an attack on a previously uninfested tree is not 

 necessarily hopeless, since it should be possible though some- 

 what expensive, by careful examination to locate most of the points 

 of entrance and kill the beetles or recently deposited eggs (depend- 

 en: upon the promptness with which operations are begun) by in- 

 jecting carbon bisulfid or kerosene. This is simply an emergency 

 treatment which might be tried to advantage in case of very highly 

 prized trees. 



LIST OF PUBLICATIONS OF THE ENTOMOLOGIST 



The following is a list of the principal publications of the ento- 

 mologist during the year 1909. 70 are given with title,^ time of 

 publication and a summary of the contents of each. Volume and 

 page numbers are separated by a colon, the first superior figure gives 

 the column and the second the exact place in the column in ninths : 

 ^- §"• 73-1005^*^ means volume 73, page 1005, column 2 in the 

 sixth ninth, i. e.' about two thirds of the way down. 



Varieties of the Tussock Moth. Country Gentleman, Oct. 22, 1908, 

 73:1005-^ 



Brief descriptive notices of the white marked tussock moth, 

 Hemerocampa leuco stigma Sm. & Abb., the hickory tussock 

 moth, Halisidota caryae Harr., the well marked tussock moth, 

 Hemerocampa definita Pack, and the old tussock moth, 

 Notolophus antiqua Linn. 



Prolificacy of Plant Lice. Commercial West (Minneapolis, Minn.), 

 Jan. 30, 1909, 15:59 



Original estimates of the possible prolificacy of the hop plant louse, 

 Phorodon humuli Schrank. 



Greenhouse Scale. Country Gentleman, Feb. 4, 1909, 64:104^° 

 Remedial measures are given for Lecanium hesperidum Linn. 



^Titles are given as published and in some instances they have been 

 ^changed or supplied by the editors of the various papers. 



