{"id":1169,"date":"2019-06-04T12:53:55","date_gmt":"2019-06-04T17:53:55","guid":{"rendered":"https:\/\/allabouttrees.com\/?p=1169"},"modified":"2021-07-05T15:57:15","modified_gmt":"2021-07-05T20:57:15","slug":"jumping-oak-gall","status":"publish","type":"post","link":"https:\/\/allabouttrees.com\/jumping-oak-gall\/","title":{"rendered":"Jumping Oak Gall"},"content":{"rendered":"\r\n<p>Jumping Oak Gall FOREST HEALTH ALERT From the Missouri Department of Conservation<\/p>\r\n\r\n\r\n\r\n<p><strong>Tree species affected:<\/strong> White oak (Quercus alba) primarily, and some other white oak group species.<\/p>\r\n\r\n\r\n\r\n<p><strong>Concerns:<\/strong> Leaves on entire crowns of white oak trees turning brown in late spring. In some areas, whole hillsides appear brown.<\/p>\r\n\r\n\r\n\r\n<p><strong>Description: <\/strong>High populations of a very tiny, native, stingless wasp (Neuroterus sp.) cause pinhead-size galls (abnormal plant growths) to form on the undersides of leaves. Each round, button -like gall contains one wasp larva. Starting at the margins, brown, scorch-like areas appear on leaves where many galls are present. In more severe cases, leaves curl up, turn black, and drop early from trees. Effects of the damage become noticeable in late spring or early summer and remain visible until fall.<\/p>\r\n\r\n\r\n\r\n<p>Most galls drop from leaves in early summer. Brown pockmarks remain where galls had been attached. Fallen galls are sometimes observed to \u201cjump\u201d due to vigorous movements of larvae within, much like moth larvae of \u201cMexican jumping beans.\u201d This behavior allows galls to fall deeper into grass and leaf litter where they are sheltered throughout the coming winter.<\/p>\r\n\r\n\r\n\r\n<p>Many species of gall wasps have two generations per year. It is assumed that the jumping oak gall wasp in Missouri has a similar life history with one generation lasting only a few weeks in early spring and rarely being noticed. The second generation extends from spring through the following winter and causes most of the leaf damage. Outbreaks typically last for one or two years and then fade away as natural controls reduce gall wasp numbers again.<\/p>\r\n\r\n\r\n\r\n<p><strong>Similar Leaf Issues:<\/strong> In years with cool wet springs, fungal diseases can be abundant on trees and may also cause leaf browning. <strong>Anthracnose<\/strong> is common on white oak foliage in those conditions. <strong>Botryosphaeria twig canker<\/strong> causes leaves on infected small branches to wilt and turn brown, which results in \u201cflagging\u201d in the canopy during the summer. Typically, twig bark shrivels and turns brown where the canker occurs, near the junction with healthy tissue.<\/p>\r\n\r\n\r\n\r\n<p><strong>Recommendations: <\/strong>Galls and fungi that affect oak leaves rarely have a significant impact on tree health. Nearly all trees will recover, even if all leaves are brown. Controls are not warranted. By the time the damage is observed, any opportunity to treat has already passed for that year, and populations are likely to decline naturally. However, severe leaf damage stresses trees, particularly if most leaves on a tree are killed which results in a second flush of leaves emerging in summer. The best tactic is using good tree care practices that reduce stress (mulching, watering during drought, avoiding wounds due to lawnmowers and trimmers).<\/p>\r\n\r\n\r\n\r\n<p>Questions? Contact your local forester with the Missouri Department of Conservation. Find contact information for your county and more at <a href=\"http:\/\/mdc.mo.gov\">mdc.mo.gov<\/a>.<\/p>\r\n\r\n\r\n<hr class=\"wp-block-separator\" \/>\r\n\r\n\r\n<p><strong><a href=\"https:\/\/allabouttrees.com\/contact-tree-company-springfield-mo\/\" target=\"_blank\" rel=\"noreferrer noopener\">Contact Us<\/a><\/strong><\/p>\r\n\r\n\r\n\r\n<p>Please give us a call if you\u2019d like to be added to our calendar for a yearly maintenance check of your trees!<\/p>\r\n","protected":false},"excerpt":{"rendered":"<p>Jumping Oak Gall FOREST HEALTH ALERT From the Missouri Department of Conservation Tree species affected: White oak (Quercus alba) primarily, and some other white oak group species. Concerns: Leaves on entire crowns of white oak trees turning brown in late spring. In some areas, whole hillsides appear brown. Description: High populations of a very tiny, [&hellip;]<\/p>\n","protected":false},"author":2,"featured_media":1170,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"categories":[10,20,126,135,100,99,73,136,101,137,11,21,24,23,15,18,22,16,12,9,42,19,17,14,13,59],"tags":[26,36,74,80,77,105,27,31,34,38,35,30],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Jumping Oak Gall - All About Trees<\/title>\n<meta name=\"description\" content=\"Emerald ash borer (EAB), Agrilus planipennis Fairmaire, is an exotic beetle from Asia that was discovered (in North America)\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/allabouttrees.com\/jumping-oak-gall\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Jumping Oak Gall - All About Trees\" \/>\n<meta property=\"og:description\" content=\"Emerald ash borer (EAB), Agrilus planipennis Fairmaire, is an exotic beetle from Asia that was discovered (in North America)\" \/>\n<meta property=\"og:url\" content=\"https:\/\/allabouttrees.com\/jumping-oak-gall\/\" \/>\n<meta property=\"og:site_name\" content=\"All About Trees\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/facebook.com\/AllAboutTreesMO\" \/>\n<meta property=\"article:published_time\" content=\"2019-06-04T17:53:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2021-07-05T20:57:15+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/allabouttrees.com\/wp-content\/uploads\/2019\/06\/jumping-oak-gall.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"264\" \/>\n\t<meta property=\"og:image:height\" content=\"319\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Noel Boyer\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@AllAboutTreesMO\" \/>\n<meta name=\"twitter:site\" content=\"@AllAboutTreesMO\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Noel Boyer\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/allabouttrees.com\/jumping-oak-gall\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/allabouttrees.com\/jumping-oak-gall\/\"},\"author\":{\"name\":\"Noel Boyer\",\"@id\":\"https:\/\/allabouttrees.com\/#\/schema\/person\/178ef462df5c3d589b508b6d9e4fc145\"},\"headline\":\"Jumping Oak Gall\",\"datePublished\":\"2019-06-04T17:53:55+00:00\",\"dateModified\":\"2021-07-05T20:57:15+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/allabouttrees.com\/jumping-oak-gall\/\"},\"wordCount\":492,\"publisher\":{\"@id\":\"https:\/\/allabouttrees.com\/#organization\"},\"keywords\":[\"Arborist Springfield MO\",\"Certified Arborist Springfield MO\",\"Emergency Tree Care\",\"Missouri Trees\",\"Oak Tree\",\"plant health care\",\"Stump Grinder Springfield MO\",\"Tree Cutting Springfield MO\",\"Tree Doctor Springfield MO\",\"Tree Experts Springfield MO\",\"Tree Surgeon Springfield MO\",\"Tree Trimmer Springfield MO\"],\"articleSection\":[\"Arborist Springfield MO\",\"Certified Arborist Springfield MO\",\"Certified Arborists Springfield\",\"Dutch Elm Disease\",\"EAB\",\"Emerald Ash Borer\",\"Emergency Tree Care Springfield MO\",\"Jumping Oak Gall\",\"Missouri Emerald Ash Borer\",\"Oak Wilt\",\"Stump Grinder Springfield MO\",\"Tree Company Springfield MO\",\"Tree Cutter Springfield MO\",\"Tree Cutting Service Springfield MO\",\"Tree Cutting Springfield MO\",\"Tree Doctor Springfield MO\",\"Tree Experts Springfield MO\",\"Tree Pruning Springfield MO\",\"Tree Removal Springfield MO\",\"Tree Service Springfield MO\",\"Tree Stump Removal Springfield MO\",\"Tree Surgeon Springfield MO\",\"Tree Timmers Springfield MO\",\"Tree Trimmer Springfield MO\",\"Tree Trimming Springfield MO\",\"wood recycling springfield mo\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/allabouttrees.com\/jumping-oak-gall\/\",\"url\":\"https:\/\/allabouttrees.com\/jumping-oak-gall\/\",\"name\":\"Jumping Oak Gall - 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