on Shade and Orchard Trees against 

 Gypsy, Brown-tail and Tussock Cater- 

 pillars, Canker Worms, Climbing Cut 

 Worms and Ants. It is equally effective 

 against any crawling insects. 



Band Trees About Two Weeks 



Before Insects Appear to 



Get Best Results 



Easily applied with woodeu paddle. One pound 

 makes about 10 lineal feet of band. One application 

 stays sticky 3 months and longer — outlasting 10 to 20 

 times any other substance. Remains effective rain 

 or shine. Won't soften — won't run or melt, yet 

 always elastic, expanding with growth of tree. No 

 mixing, simply open can and use. Will not injure 

 trees. 



For Tree Surgery 



Tree Tanglefoot is superior to anything on the 

 market — it is the best application after pruning 

 or trimming. It will water-proof the crotch of a 

 tree or a cavity or wound in a tree, when nothing 

 else will do it. 



Sold by All First- Class Dealers 



l-lb. cans 35p ; 3-lb. cansSl.OO; 10-lb. cans $3.00; 

 20-lb. cans $5.50; and 25-lb. wooden pails $6.75. 



Write today for illustrated booklet on Leaf- 

 eating Insects. Mailed free. 



THE 0. & W. THUM COMPANY 



137 Straight Avenue, Grand Rapids, Mich. 



Manufacturers of Tanglefoot Fly 

 Paper and Tree Tanglefoot 



WARD'S NATURAL SCIENCE ESTABLISHMENT 



84-102 COLLEGE AVENUE, ROCHESTER, N. Y. 



Entomological Supplies of all kinds, including 

 the only genuine hand-made Schmitt 

 Insect Boxes and the well known Amer- 

 ican Entomological Co.'s Insect Pins. 



Write for E-30, free catalogue of Entomological Supplies; E-125, Life Histories of 



Insects of Economic Importance; also special lists of 



Lepidoptera, Coleoptera, etc. 



Please mention the Journal of Economic Entomology when writing to advertisers. 



