Caterpillar Gum

Caterpillar Gum

 

in Russian, gusenichnyi klei). a thick, nondrying, sticky substance: a colloidal solution of synthetic copal in castor oil with wax and sodium or calcium oleate added. It is applied in a belt around the trunk of a tree to prevent caterpillars (hence the name), as well as wingless and nonflying insects from reaching the crown of the tree.

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