Body Browse these bulletins to learn about the causes of branch flagging, insect defoliators, exotic insect and disease pests, conifer problems, and current disease issues. + see more - show less Title Forest Health Highlights Link or File Media Missouri Forest Health Highlights 20211.50 MB Link or File Media Missouri Forest Health Highlights 20201.43 MB Link or File Media Missouri Forest Health Highlights 20192.79 MB Title Forest Health Alerts Link or File Media Anthracnose of Shade Trees1.19 MB Description Learn how anthracnose affects many species of deciduous trees and shrubs. Link or File Media Armillaria Root Rot2.07 MB Description Armillaria root rot affects more than 200 species of hardwoods and conifers. Link or File Media Defoliating Caterpillars1.35 MB Description Learn more about caterpillars that defoliate Missouri's trees. Link or File Media Fall Webworm1.56 MB Description Fall webworms defoliate trees and spin webs. Learn how to spot them and how to help your trees. Link or File Media Shortleaf Pine Mortality1.57 MB Description Ips beetle attacks can kill shortleaf pines. Learn how to deal with an attack. Link or File Media Finding EAB in Winter971.40 KB Description Bark blonding on ash trees in winter could be a sign of emerald ash borers. Link or File Media Japanese Beetles1.45 MB Description Learn how to stop these insects before they eat all the leaves off your tree. Link or File Media Jumping Oak Gall962.47 KB Description This tiny native wasp can cause the leaves of white oaks to turn brown. Link or File Media Hypoxylon Canker1.09 MB Description This disease of oaks and other hardwoods is common after drought. Link or File Media Oak Wilt1.16 MB Description This oak disease spreads easily in the spring. Learn to identify and prevent it. Link or File Media Urban Tree Decline1.40 MB Description Drought and other stressors cause urban trees to lose health and vigor.