Forest Health Guide for Georgia By Terry S. Price Retired Entomologist Edited by the Forest Health Staff 4th Edition 2013 Georgia Forestry Commission 1-800-GA-TREES GaTrees.org Funding for printing of this publications is provided by the USDA - Forest Service Table of Contents Page Introduction------------------------------------------------------------------------------------------------------- 5 Forest Entomology------------------------------------------------------------------------------------------------------ 6 Bark Beetles and Weevils Ambrosia Beetles------------------------------------------------------------------------------------------------- 7 Southern Pine Beetles-------------------------------------------------------------------------------------------- 9 Ips Engraver Beetles---------------------------------------------------------------------------------------------- 11 Black Turpentine Beetles---------------------------------------------------------------------------------------- 12 Weevils------------------------------------------------------------------------------------------------------------- 16 Wood Infesting Insects Insects Using Wood As A Nesting Site Carpenter Ants----------------------------------------------------------------------------------------------------- 19 Carpenter Bees----------------------------------------------------------------------------------------------------- 19 Solitary Wasps and Bees------------------------------------------------------------------------------------------ 20 Beetles That Attack Weakened Trees and Freshly Cut Logs Cerambycids and Buprestids------------------------------------------------------------------------------------- 21 Southern Pine Sawyer --------------------------------------------------------------------------------------------- 22 Locust Borer, Oak Borers----------------------------------------------------------------------------------------- 22 Beetles That Attack Dry, Debarked Wood Old House Borer--------------------------------------------------------------------------------------------------- 23 Powderpost Beetles------------------------------------------------------------------------------------------------ 25 Subterranean Termites-------------------------------------------------------------------------------------------- 27 Defoliating Insects Hardwood Defoliators Greenstriped Mapleworm, Orangestriped Oakworm, Spiny Oakworm------------------------------------ 29 Buck Moth--------------------------------------------------------------------------------------------------------- 30 Oak Skeletonizer-------------------------------------------------------------------------------------------------- 30 Cherry Scallop Shell Moth--------------------------------------------------------------------------------------- 31 Forest Tent Caterpillar-------------------------------------------------------------------------------------------- 31 Eastern Tent Caterpillar------------------------------------------------------------------------------------------- 31 Catalpa Sphinx----------------------------------------------------------------------------------------------------- 32 Walnut Caterpillar------------------------------------------------------------------------------------------------- 32 Variable Oakleaf Caterpillar------------------------------------------------------------------------------------- 32 Gypsy Moth-------------------------------------------------------------------------------------------------------- 33 Locust Leafminer-------------------------------------------------------------------------------------------------- 33 Sweetgum Defoliator---------------------------------------------------------------------------------------------- 34 Larger Elm Leaf Beetle------------------------------------------------------------------------------------------- 34 Elm Leaf Beetle---------------------------------------------------------------------------------------------------- 34 Japanese Beetle---------------------------------------------------------------------------------------------------- 35 Yellow Poplar Weevil-------------------------------------------------------------------------------------------- 35 Cankerworm------------------------------------------------------------------------------------------------------- 35 1 Defoliating Insects (cont.) Conifer Defoliators Pine Sawƀ ies--------------------------------------------------------------------------------------------- 36 Spotted Loblolly Pine Sawƀ y------------------------------------------------------------------------------------ 37 Virginia Pine Sawƀ y---------------------------------------------------------------------------------------------- 37 White Pine Sawƀ y------------------------------------------------------------------------------------------------- 37 Slash Pine Sawƀ y-------------------------------------------------------------------------------------------------- 38 Hetrick’s Sawƀ y--------------------------------------------------------------------------------------------------- 38 Warren’s Sawƀ y---------------------------------------------------------------------------------------------------- 38 Blackheaded Pine Sawƀ y----------------------------------------------------------------------------------------- 38 Red-Headed Pine Sawƀ y----------------------------------------------------------------------------------------- 39 Abbott’s Sawƀ y---------------------------------------------------------------------------------------------------- 39 Introduced Pine Sawƀ y------------------------------------------------------------------------------------------- 39 Loblolly Pine Sawƀ y---------------------------------------------------------------------------------------------- 39 Pine Webworm----------------------------------------------------------------------------------------------------- 40 Pine Colaspis Beetle----------------------------------------------------------------------------------------------- 40 Pine Chafer Beetle------------------------------------------------------------------------------------------------- 41 Evergreen Bagworm----------------------------------------------------------------------------------------------- 41 Terminal and Twig Insects Gall Insects------------------------------------------------------------------------------------------------------- 42 Tip Moths--------------------------------------------------------------------------------------------------------- 44 Twig Girdlers, Twig Pruners------------------------------------------------------------------------------------ 47 Dogwood Twig Borers------------------------------------------------------------------------------------------ 47 Dogwood Borers------------------------------------------------------------------------------------------------- 47 Peachtree Borers------------------------------------------------------------------------------------------------- 48 Sucking Insects Aphids and Adelgids-------------------------------------------------------------------------------------------- 49 Cicadas, Lace Bugs, False Chinch Bugs---------------------------------------------------------------------- 52-54 Seed Bugs--------------------------------------------------------------------------------------------------------- 54 Scales and Mealybugs------------------------------------------------------------------------------------------- 54-55 Forest Pathology--------------------------------------------------------------------------------------------------------- 56 Root Diseases Heterobasidion Root Disease ---------------------------------------------------------------------------------- 57 Loblolly Pine Decline-------------------------------------------------------------------------------------------- 59 Littleleaf Disease------------------------------------------------------------------------------------------------- 60 Foliage and Shoot Diseases Brown Spot Needle Blight-------------------------------------------------------------------------------------- 61 Oak Leaf Blister--------------------------------------------------------------------------------------------------- 61 Dogwood Anthracnose------------------------------------------------------------------------------------------ 62 Needlecast Fungi-------------------------------------------------------------------------------------------------- 63 Diplodia Tip Blight----------------------------------------------------------------------------------------------- 64 Powdery Mildews------------------------------------------------------------------------------------------------- 65 Sooty Molds------------------------------------------------------------------------------------------------------- 65 2 Wilt Diseases Dutch Elm Disease------------------------------------------------------------------------------------------------ 66 Elm Yellows--------------------------------------------------------------------------------------------------------- 67 Mimosa Wilt------------------------------------------------------------------------------------------------------- 67 Persimmon Wilt---------------------------------------------------------------------------------------------------- 67 Oak Wilt------------------------------------------------------------------------------------------------------------ 67 Rust Diseases Fusiform Rust------------------------------------------------------------------------------------------------------ 68 Eastern Gall Rust---------------------------------------------------------------------------------------------------