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Western Grapeleaf Skeletonizer. Photo UC Cooperation Extension - Kern County

How to Use the Western Grapeleaf Skeletonizer Growing Degree Day Model

The Western Grapeleaf Skeletonizer Moth (Harrisina brillians) is an important pest on grapes in some areas. Overwintered Western Grapeleaf Skeletonizer Moth larvae […]

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Emerald Ash Borer. Photo: Colorado State University

How to Use the Emerald Ash Borer Growing Degree Day Model

The Emerald Ash Borer is a wood-boring moth that mostly affects ash trees. It is widespread in the United States […]

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Armyworm. Photo: Syngenta

How to Use the Armyworm Growing Degree Day Model

The Armyworm Moth (Mythimna unipuncta) is a common and widespread pest on a variety of hosts, including corn, wheat and […]

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Beet Armyworm. Photo: University of Florida

How to Use the Beet Armyworm Growing Degree Day Model

Beet Armyworms (Spodoptera exigua) are a common and widespread pest on a hosts. They can be very challenging to control, […]

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Black Cutworm. Photo: Ohio State University

How to Use the Black Cutworm Growing Degree Day Model

The Black Cutworm Moth (Agrotis ipsilon) is a common and widespread pest on a variety of hosts, including corn, wheat […]

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Cabbage Looper. Photo: University of Florida

How to Use the Cabbage Looper Growing Degree Day Model

Cabbage Loopers (Trichoplusia ni) is a common and widespread pest on a variety of cruciferous hosts. They can be very […]

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Asparagus Beetle. Photo: UMN Extension

How to Use the Asparagus Beetle Growing Degree Day Model

The Asparagus Beetle is a common pest on asparagus. They can be very challenging to control, and different insecticide products […]

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Artichoke Plume Moth. Photo: Don Loarie

How to Use the Artichoke Plume Moth Growing Degree Day Model

The Artichoke Plume Moth (Platypilia carduidactyla) is an important pest on artichokes in California. Overwintered Artichoke Plume moth larvae typically emerge […]

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Beet Leafhopper. Photo USDA

How to Use the Beet Leafhopper Growing Degree Day Model

Beet Leafhopper (Circulifer tenellus) is a considered a serious pest because it vectors the beet curlytop geminivirus. They can sometimes […]

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Blackberry Leafhopper. Photo: Lynette Elliott

How to Use the Blackberry Leafhopper Growing Degree Day Model

Blackberry Leafhopper (Empoasca fabae) is an occasional pest on grapes and caneberries. They can be very challenging to control, and […]

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