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Cooley Gall

Cooley Gall

Cooley Gall
 

Cooley Gall, Cooley galls are commonly found on the new growth of spruce trees. These galls are produced by Insects called Cooley spruce gall adelgids (woolly aphids). Galls appear early in the season as 2- to 4-inch cucumber-shaped growths. The galls are light green during late spring and early summer but dry out and become brown starting in mid-July. The galls often are mistaken for seed cones.  


Cooley spruce galls are conspicuous and frequently cause considerable concern to homeowners. However, the galls usually do not cause any serious harm to the tree. Extremely heavy infestations may cause minor retardation of tree growth and some distortion. However, in most cases, old galls are covered by new growth the following season and become almost unnoticeable a few years after they form.


RESOURCES:

Cooley Galls  pdf

 

FAQ

  • Treatments:
    Spraying (Imidacloprid, Permethrin, Bifenthrin, Carbaryl), Basal Trunk Application (Dinotefuran / Safari ®)

 

 

 


 

 

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Dominion 2L Insecticide (Merit 2F), Control Solutions

Dominion 2L Insecticide, a 21.4% imidacloprid provides long lasting control for Emerald Ash Borer (EAB), adelgids, armored scales, termites and many other boring and sucking insects.

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EPA Signal Word: CAUTION / PRECAUCION
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Signal Word - CAUTION / PRECAUCION
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Signal Word - CAUTION / PRECAUCION
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Signal Word - CAUTION / PRECAUCION
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Merit 75WSP Imidacloprid Insecticide, Bayer

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Signal Word - CAUTION / PRECAUCION
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Criterion 75 WSP Imidacloprid Insecticide (Merit 75 WSP), Bayer

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Active Ingredient: Imidacloprid 75.0%

Signal Word - CAUTION / PRECAUCION

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Mallet 75 WSP Imidacloprid Insecticide, (Merit 75 WSP)

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In stock, ships within 24 hours.

From $38.95

Safari 20SG Dinotefuran Systemic Insecticide

Safari 20SG's new generation active ingredient, dinotefuran, controls a broad range of difficult pests including: Emerald Ash Borer, Adelgids, Japanese Beetles, Leafminers, Scales, Thrips, Whiteflies and more.

Active Ingredient: Dinotefuran

Signal Word - Caution

In stock, ships within 24 hours.
From $3.95

Astro Termiticide Insecticide, FMC

Astro Permethrin 36.8% Termiticide and Insecticide provides effective broad label control of over 100 insects.

Active Ingredients: Permethrin 36.8%
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Insecticide Class:
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EPA Signal Word: CAUTION / PRECAUCION
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Tengard SFR Termiticide and Insecticide for effective broad label control of over 100 insects.

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Insecticide Mode of Action Group: 3A
Insecticide Class:
Pyrethroids
EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 1 Qt., 1.25 Gal., 55 Gal.
From $23.95

PyGanic Crop Protection EC 5.0 II Organic Insecticide, OMRI Listed, MGK

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Signal Word - CAUTION / PRECAUCION
From $148.95

BaseLine Insecticide, FMC

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EPA Signal Word: WARNING / AVISO
Application Rate Range: (see label)
Container Size(s): 1 Qt., 1 Gal., 5 Gal.
From $45.95

Sevin SL Carbaryl Insecticide, Bayer

Sevin SL Carbaryl Insecticide provides broad-spectrum control of more than 130 turf and ornamental pests.

Active Ingredients: Carbaryl 43.0%
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EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 2.5 Gal.
From $121.45

Carbaryl 4L Insecticide (Sevin SL), Loveland Products

Carbaryl 4L Insecticide provides broad-spectrum control of more than 130 turf and ornamental pests.

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EPA Signal Word: CAUTION / PRECAUCION
Application Rate Range: (see label)
Container Size(s): 2.5 Gal.
From $125.95

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