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MCH Repellents

Find MCH bubble caps and MCH flakes and target Douglas-fir and spruce beetles with pheromone repellent.

Douglas-fir and spruce beetle repellents use MCH, a naturally occurring anti-aggregation pheromone of Douglas-fir and spruce beetles. In U.S. Forest Service studies, MCH has proven highly effective in protecting living trees from attack. It is also used to prevent the build-up of populations on logs, stumps, and fallen trees. MCH sends a message that the tree is full and that beetles should look elsewhere for a suitable host.

How Does MCH Work?

Beetles and other insects communicate using pheromones. MCH replicates the beetle pheromone that tells other beetles the tree is full and that the food supply is insufficient for additional beetles. Arriving beetles receive the “message” that they should look elsewhere for a suitable host.

How Safe Is MCH?

MCH is environmentally safe and non-toxic to humans, pets, birds and even the beetles themselves. Always follow the instructions provided.

MCH Bubble Caps

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Products of the Month

Treegator Original Slow Release Watering Bag

Treegator Original is a slow release watering bag that is perfect for newly planted or established trees from 1 to 8 inches in trunk diameter, with branches beginning at least 25 inches from the ground or higher.

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MCH Bubble Caps, Synergy Shield Douglas-fir and Spruce Beetle Repellent

Synergy Shield MCH Bubble Caps, Douglas-fir Beetle Repellent uses MCH – a naturally occurring anti-aggregation pheromone of the Douglas-fir beetle to protect trees from attack by Spruce, and Douglas-fir beetles.

Active Ingredients: 3-methyl-2-cyclohexen-1-one 97.9% (500 mg)
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: 1 or 2 /tree, 40 /acre
Container Size(s): Min. Order 10 pcs.

State Registrations Not for Sale to: CA

Perishable Product SALES ARE FINAL. No refunds, returns, or exchanges. This product is perishable.

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Verbenone Pouch Synergy Shield Beetle Repellent, Synergy Semiochemicals

Synergy Shield Pine Beetle Repellent Verbenone Pouch, for Mountain Pine, Southern Pine, Western Pine and other Bark Beetles

Active Ingredients: Verbenone, 4,6,6-trimethyl-bicyclo(3.1.1) hept-3-en-2-one
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: 1 or 2 /tree, 20 - 60 /acre
Container Size(s): Sold in Multiples of 10 pcs.

State Registrations Not for Sale to: CA

Perishable Product SALES ARE FINAL. No refunds, returns, or exchanges. This product is perishable.

From $7.10

OMRI - On Sale This Month

AXXE Herbicide, 2.5 Gal.

AXXE Broad Spectrum Herbicide is a non-selective, weed control for grasses and broadleaf weeds. It is formulated to deliver maximum performance and provide fast-acting results on a long list of weeds and grasses, as well as most mosses and lichens. OMRI Listed.

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Grandevo WDG Bioinsecticide Miticide, OMRI Listed, Marrone Bio Innovations

Grandevo WDG Bioinsecticide Miticide is a new water dispersible granule formation that contains several active compounds that repel, stop feeding, reduce reproduction and induce mortality to prevent the development of damaging populations of sucking and chewing insects, flies and mites.

Organic Certification(s): OMRI
Active Ingredients: Chromobacterium subtsugae strain PRAA4-1 30.0%
Insecticide Mode of Action:
Insecticide Class:
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 20 Lbs.

From $455.95