THE MONTHLY BULLETIN. 



309 



BANDS. 



To prevent insects from crawlinu' up the trunks of trees and plants 

 various bands have been devised which have proven exceedingly suc- 

 cessful in many instances. 



Tanglefoot. — Tree tanglefoot is a thick, sticky substance which, when 

 applied as a band, remains moist for several weeks and is a very effec- 

 tive barrier against cankerworms, caterpillars, cutworms. Fuller's rose 

 beetle and other crawling insects. 



The material is put up in cans. It should be applied directly to 

 the trunk of the tree several feet above the ground. 



Sticky Rope. — In the work on the California tussock moth. W. H. 



Fig. 299. — Apparatus for preparing Bordeaux, mi.\tuie. B. slanting-bottom sieve 

 for straining lime Into spray tank ; a, side view showing screen nailed to slanting 

 bottom ; h. top view of same ; C, round wire sieve for straining lime into spray tank. 

 «. round wooden bottom with hole covered with wire screen, b, cylindrical sides 

 made of fine screen and tacked around the top and bottom, c, square frame used as 

 a top ; d, box for dis-solving bluestone, sacks of this material being placed upon the 

 slats and just covered with water. ( Essig, P. C. Jr. Bot. ) 



Volck recommends the use of rope bands saturated in an easily pre- 

 pared mixture as follows : 



oil_- 



Castor 



Resin 



(or any fraction thereof), 



1 gallon 

 10 pounds 



The resin and castor oil are gently heated until the former is com- 

 pletely melted. If too thick more oil may be added. The bands 



