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Page 27 <br />Appendix VI. Potential Risk of Pests <br />Fifty-three insects and diseases were analyzed to quantify their potential impact on the urban forest. As each insect/ <br />disease is likely to attack different host tree species, the implications for {0} will vary. The number of trees at risk <br />reflects only the known host species that are likely to experience mortality. <br />Code Scientific Name Common Name Trees at Risk Value <br />(#)($ millions) <br />AL Phyllocnistis populiella Aspen Leafminer 45 0.09 <br />ALB Anoplophora glabripennis Asian Longhorned Beetle 1,596 3.45 <br />ARCA Neodothiora populina Aspen Running Canker 0 0.00 <br />ARD Armillaria spp.Armillaria Root Disease 1 0.00 <br />BBD Neonectria faginata Beech Bark Disease 4 0.00 <br />BC Sirococcus clavigignenti <br />juglandacearum <br />Butternut Canker 63 0.34 <br />BLD Litylenchus crenatae mccannii Beech Leaf Disease 2 0.00 <br />BM Euproctis chrysorrhoea Browntail Moth 750 1.38 <br />BOB Tubakia iowensis Bur Oak Blight 0 0.00 <br />BSRD Leptographium wageneri Black Stain Root Disease 0 0.00 <br />BWA Adelges piceae Balsam Woolly Adelgid 1 0.00 <br />CB Cryphonectria parasitica Chestnut Blight 0 0.00 <br />DA Discula destructiva Dogwood Anthracnose 1 0.00 <br />DBSR Leptographium wageneri var. <br />pseudotsugae <br />Douglas-fir Black Stain Root <br />Disease <br />0 0.00 <br />DED Ophiostoma novo-ulmi Dutch Elm Disease 153 0.37 <br />DFB Dendroctonus pseudotsugae Douglas-Fir Beetle 0 0.00 <br />EAB Agrilus planipennis Emerald Ash Borer 1,256 8.07 <br />FE Scolytus ventralis Fir Engraver 0 0.00 <br />FR Cronartium quercuum f. sp. <br />Fusiforme <br />Fusiform Rust 18 0.00 <br />FTC Malacosoma disstria Forest Tent Caterpillar 1,228 6.82 <br />GSOB Agrilus auroguttatus Goldspotted Oak Borer 2,201 9.80 <br />HRD Heterobasidion irregulare/ <br />occidentale <br />Heterobasidion Root Disease 2 0.00 <br />HS Neodiprion tsugae Hemlock Sawfly 0 0.00 <br />HWA Adelges tsugae Hemlock Woolly Adelgid 0 0.00 <br />JPB Dendroctonus jeffreyi Jeffrey Pine Beetle 0 0.00 <br />JPBW Choristoneura pinus Jack Pine Budworm 1 0.00 <br />LAT Choristoneura conflictana Large Aspen Tortrix 196 0.38 <br />LWD Raffaelea lauricola Laurel Wilt 252 0.85 <br />MOB Xyleborus monographus Mediterranean Oak Borer 177 0.26 <br />MPB Dendroctonus ponderosae Mountain Pine Beetle 1 0.00 <br />NSE Ips perturbatus Northern Spruce Engraver 0 0.00 <br />OW Ceratocystis fagacearum Oak Wilt 4,484 19.98 <br />PBSR Leptographium wageneri var. <br />ponderosum <br />Pine Black Stain Root Disease 0 0.00 <br />POCRD Phytophthora lateralis Port-Orford-Cedar Root Disease 0 0.00 <br />PSB Tomicus piniperda Pine Shoot Beetle 502 4.30