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Insect Pests-C97
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$0.00Woody Ornamentals Pest Management in Wisconsin
Author(s) Chris Williamson, P.J. Liesch, Jim Kerns, Roger Flashinski Woody Ornamentals Pest Management in Wisconsin is an indispensable resource f...
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Eastern Tent Caterpillar
Author(s) C. F. Koval, S. W. Binnie The eastern tent caterpillar is native to North America, and records of its existence go back as far as 1646. ...
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Gypsy Moths: Identifying and Managing Gypsy Moth Caterpillars
Author(s) R. Chris Williamson, Andrea Diss The gypsy moth caterpillar has a distinctively bristly body, with five pairs of blue warts followed by ...
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Japanese Beetles
Author(s) R. Chris Williamson This fact sheet on the Japanese beetle, considered the single most important turf grass pest in the United States b...
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Maple Petiole Borer
Author(s) P. J. Pellitteri, D. L. Mahr The maple petiole borer is an introduced species that has extended its range from the northeastern states t...
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Maple Gall Mites
Author(s) P. J. Pellitteri, C. F. Koval, D. L. Mahr Maple leaves frequently develop growths or swellings known as galls. These are caused by micro...
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Maple and Other Trees Disorder: Cottony Maple Scale
Author(s) C. F. Koval, D. L. Mahr, P. J. Pellitteri Cottony maple scale is an insect that can infest the twigs of maples and other shade trees wit...
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Linden Borer
Author(s) C. A. Johnson, R. C. Williamson The linden borer (Saperda vestita Say) is a native insect found throughout northeastern North America th...
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Honeysuckle Disorder: Honeysuckle Leaffolding Aphid
Author(s) C. F. Koval, D. L. Mahr Landscapers and nursery operators in Wisconsin long considered honeysuckle a low-maintenance plant. The arrival ...
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Honeylocust Disorder: Plantbugs and Leafhoppers
Author(s) K. A. Delahaut The honeylocust has become an increasingly important street and landscape tree in Wisconsin. Finer textured and less form...
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Gypsy Moths: Selecting a Pesticide for Gypsy Moth Control
Author(s) R. Chris Williamson, Andrea Diss Many insecticides are available to control gypsy moth; however, not all are created equal. Before you b...
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Gypsy Moths: Identifying and Managing Gypsy Moth Egg Masses
Author(s) R. Chris Williamson, Andrea Diss Gypsy moth egg masses contain all the eggs a female moth produces. Each destroyed egg mass represents h...
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Gypsy Moth
Author(s) R. Chris Williamson This fact sheet covers the highly destructive gypsy moth, detailing its life cycle, the destruction it causes, and t...
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Euonymus Caterpillar
Author(s) K. A. Delahaut In Wisconsin, the euonymus caterpillar Yponomeuta cagnagella damages the spindletree euonymus, the winged euonymus (also ...
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Deciduous Tree Disorder: Cankerworms
Author(s) P. J. Pellitteri, D. L. Mahr, D. J. Hall Severe, early season defoliation of several hardwood species may be caused by spring or fall ca...
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Birch Leafminer
Author(s) P. J. Pellitter Birch leafminers are insects that can destroy the leaves of all ornamental birch varieties grown in Wisconsin. European,...
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Birch Disorder: Bronze Birch Borer
Author(s) R. C. Williamson, P. J. Pellitteri The bronze birch borer is a serious pest of birch trees in the Midwest. It can severely injure or kil...
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Ash Plant Bug
Author(s) P. J. Pellitteri, C. F. Koval A small insect called the ash plant bug attacks ash trees in June and July, causing thin, discolored, spot...
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