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Published byNoreen Cox Modified over 8 years ago
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AND ITS IMPACTS EMERALD ASH BORER
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WHAT DOES AN ASH TREE LOOK LIKE? White Ash’s Fall ColorGreen Ash’s Fall Color
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DISCOVERY IN WYANDOTTE COUNTY Emerald Ash Borer Larvae discovered in August 2012 in Wyandotte County. It will eventually kill all untreated ash trees. EAB Larva
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ANNUAL STAGES OF EMERALD ASH BORER Eggs laid by beetle in bark: May-August Larvae tunnel and feed on tree under bark in summer and destroy vascular system. Larvae over winter Pupate in Spring. Adult EAB Beetle Emerges: May-July
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EXPANSION OF EMERALD ASH BORER Movement naturally by Adult Beetle. Moved by man with firewood. EAB Adult Beetle
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ASH TREE IDENTIFICATION Seeds on Female Trees are paddle shaped Mature Bark has diamond shaped ridges Leaves are compound from 5-11 leaflets Opposite Branch Arrangement
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SYMPTOM: TREE CANOPY DIE BACK Healthy Ash Tree Canopy Begins in top 1/3 of tree and progresses until the whole ash tree is bare
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SYMPTOM: EPICORMIC SHOOTS EMERGE Sprouts grow from roots & trunk Suckers grow on trunk and branches below EAB activity.
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SYMPTOM: BARK SPLITTING OCCURS Vertical splitting on barkGalleries exposed under bark split
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SYMPTOM: SERPENTINE GALLERIES AND D-SHAPED EXIT HOLES Galleries weave back & forth across wood grain Adult beetle forms D-Shaped holes (only 1/8” hole) upon emergence from ash tree. This is difficult to detect.
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SYMPTOM: INCREASED WOODPECKER ACTIVITY Several woodpeckers feed on the EAB larvae and pupae Damage to bark and larger holes created when extracting larvae/pupae
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WHAT ARE MY OPTIONS? Options for Ash are to: 1.Do nothing. 2.Leave in wooded areas. 3.Chemically treat. 4.Cut & replant. 5.Cut & no replanting. A dying green ash tree along a street.
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