[Tim KS]

It's labeled as a systemic insecticide for lots of feeding insets.....target bug is bagworms on cedar trees. I have never used this product before, is this stuff bad on bees?

 

[clyderoad]

yes.
some info at http://npic.orst.edu/factsheets/acephagen.html
and
at http://npic.orst.edu/factsheets/archive/acephatech.html

 

[Jack Grimshaw]

Bagworms on white cedar will kill the tree if not controlled.

https://web.extension.illinois.edu/cfiv/homeowners/030628.html

Retired arborist