https://forums.botanicalgarden.ubc.ca/threads/tent-caterpillars-on-crab-apple-trees.30400/
tent caterpillars on crab apple trees | UBC Botanical Garden Forums
I used to use Cygon 2e on my crab apple tree to control tent caterpillars. Any suggestions on other ways to control the caterpillars.
crab apple treesubc botanical gardentent caterpillarsforums