180 SCHOOL AND HOME GARDENS 
appearance. Use five pounds of arsenate of lead to fifty 
gallons of water. The spray should reach the under- 
side of the leaves. The larve may be trapped in strips 
Fic. 100. A Double Strip of Gunny Sack 
tacked around an Elm Tree to trap the 
Larve of the Elm-Leaf Beetle 
of gunny sack tacked 
around the tree, as 
indicated in Fig. 100. 
Remove them from 
the folds of the strip 
every day. The brown- 
tail moth, the gypsy 
moth, the cankerworm, 
and the tent caterpillar 
may also be held in 
check to some extent 
with the gunny sack, 
or they may be con- 
trolled by spraying 
with arsenate of lead. 
Brown-tail nests which may be found at the tips of 
twigs during the winter should be cut off and burned. 
Gypsy-moth nests may be destroyed by soaking them 
with creosote oil. 
