All the information that you need about a chemical is found on the label. Does Boxer Insecticide (active ingredient 4% Emamectin Benzoate) control Emerald Ash Borer for two years? The answer is yes and it is found on the label. For example, Boxer controls Ambrosia Beetles,* Aphids,* Bagworms, Clearwing Borers (such as Ash and Sequoia Pine Pitch Tube Moth), Cone Beetles (Conopthora spp.),* Conifer Mites,* Cynipid Gall Wasps,* Fall Webworms, Flatheaded Borers (such as adult and larvae of Bronze Birch* and Two-lined Chestnut*), Gypsy Moths, Honeylocust Plant Bugs, Japanese Beetles, Leafminers (such as Lepidoptera, Coleoptera, Hymenoptera), Mimosa Webworms, Oak Worms, Pine Cone Seed Bugs (suppression of Leptoglossus and Tetyra spp. in the year of treatment), Pine Coneworms (Dioryctria spp.), Pine Needle Scale, Pinewood Nematodes, Red Palm Mites, Roundheaded Borers (excluding Asian Longhorned Beetles), Sawflies (such as Elm, Pine), Scolytids (Bark Beetles) Ips Engraver Beetles, Mountain Pine Beetles, Southern Pine Beetles, Spruce Beetles, Western Pine Beetles), Tent Caterpillars (such as Eastern, Forest, Pacific and Western), Tussock Moths, Western Spruce Budworms and Winter Moths. (*Not registered for use in California.) For more information on Boxer and to see the label, click here.