Chemical: Emamectin Benzoate
TreeMec® Inject is for the control of mature and immature insect and mite pests of deciduous and coniferous trees and palms including, but not limited to, those growing in residential and commercial landscapes, parks, plantations, seed orchards and forested sites in private, municipal, state, tribal and national areas. TreeMec® Inject contains the active ingredient Emamectin Benzoate and is formulated to translocate in the tree’s vascular system when injected. This product must be placed into active sapwood and will actively control pests for up to two years.
TreeMec® Inject is designed to be used with tree injection devices that meet the label and dose requirements for the control of listed pests of trees. Follow manufacturer’s directions for equipment use.
|Active: Emamectin Benzoate
(CAS No. 155569-91-8)
Additional Directions for Application in Trees
|Tree Tissue||Target Pest||Application Rate Range1||Comments|
|Seed and Cone||Cone Beetle2 (Conopthora spp.)
Pine Cone Seed Bug (suppression of Leptoglossus and Tetyra spp. in the year of treatment)
Pine Coneworm (Dioryctria spp.)
|Medium to High||For optimal control, apply in the fall for early season pests or at least 30 days before insect attack.|
|Bud and Leaf||Aphid2
Honeylocust Plant Bug Japanese Beetle
Leafminers (such as Coleoptera, Hymenoptera Lepidoptera) Mimosa Webworm
Pine Needle Scale
Red Palm Mite
Sawfly (such as Elm, Pine)
|Low to High||Apply at least 2-3 weeks before the pest has historically been present.
Consult with a local extension agent for when this will occur in your area.
|Shoot, Stem Trunk and Branch||Flatheaded Borers (such as adult and larvae of Bronze Birch Borer2, Emerald Ash Borer and Two-lined Chestnut Borer2)
Tent Caterpillars (such as Eastern, Forest, Pacific and Western)
Western Spruce Budworm
|For optimal control, apply at least 30 days before historical egg hatch or adult flight and to trees whose vascular tissue is not damaged.
If vascular tissue is damaged or plugged by insect galleries, nematodes or fungi, uniform treatment and control may not be achieved.
|Clearwing Borers (such as Ash and Sequoia Pine Pitch Tube Moth)|
Cynipid Gall Wasps2
Pinewood Nematode Roundheaded Borers (excluding Asian Longhorn Beetles)
Scolytids (Bark Beetles) Ips Engraver Beetles, Mountain Pine Beetle, Southern Pine Beetle, Spruce Beetle, Western Pine Beetle
|Medium to High|
Use as formulated or dilute with equivalent 1 to 3 volumes of water or more, as necessary.
|4 to 6||15||25||50||–|
|7 to 9||20||40||80||–|
|10 to 12||30||55||110||165|
|13 to 15||35||70||140||210|
|16 to 18||42||85||170||225|
|19 to 21||50||100||200||300|
|22 to 24||–||115||230||345|
|25 to 27||–||130||260||390|
|28 to 30||–||145||290||435|
|31 to 33||–||160||320||480|
|34 to 36||–||175||350||525|
|37 to 39||–||190||380||570|
|40 to 42||–||205||410||615|
|43 to 45||–||220||440||660|
|46 to 48||–||235||470||705|
|49 to 51||–||250||500||750|
|52 to 54||–||265||530||795|
|55 to 57||–||280||560||840|
|58 to 60||–||295||590||885|
|61 to 63||–||310||620||930|
|64 to 66||–||325||650||975|
|67 to 69||–||340||680||1020|
|70 to 72||–||355||710||1065|