{"id":859,"date":"2025-05-13T15:26:37","date_gmt":"2025-05-13T15:26:37","guid":{"rendered":"https:\/\/sites.rutgers.edu\/nursery-ipm\/?p=859"},"modified":"2025-08-27T19:42:41","modified_gmt":"2025-08-27T19:42:41","slug":"boxwood-mites","status":"publish","type":"post","link":"https:\/\/sites.rutgers.edu\/nursery-ipm\/boxwood-mites\/","title":{"rendered":"Boxwood Mites"},"content":{"rendered":"<h2><strong>Boxwood Mites (<em>Eurytetranychus buxi<\/em>)<\/strong><\/h2>\n<h4><strong>GDD Window (base 50): 450-700<\/strong><\/h4>\n<h5><\/h5>\n<h4><strong>Overview:<\/strong><\/h4>\n<ul>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Overwinter as light-yellow eggs on leaves and twigs<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Neither a true cool nor warm season mite \u2013 most active during late spring <\/span><span data-usefontface=\"false\" data-contrast=\"none\">and early summer (can resume activity again in late summer)<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Eggs are laid in the fall and hatch in midspring into six-legged larvae, then <\/span><span data-usefontface=\"false\" data-contrast=\"none\">go through two nymph stages before emerging as adults\u00a0<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Adults are yellow\/tan\/gray with long legs, about the size of a period<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"5\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Mating takes place immediately after adults emerge, and females begin to <\/span><span data-usefontface=\"false\" data-contrast=\"none\">lay eggs within hours<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"6\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Several generations per year \u2013 life cycle is 18-21 days<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"7\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Found mostly on new growth<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"8\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Causes yellow to bronze stippling on foliage, premature defoliation<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"9\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Leaves may develop yellowish-white streaks on their upper sides\u00a0<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"10\" data-aria-level=\"1\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Host plants:<\/span><\/b><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0boxwoods\u00a0<\/span><\/li>\n<li style=\"list-style-type: none\"><\/li>\n<\/ul>\n<h4><strong>Management:<\/strong><\/h4>\n<h5><strong>Cultural Practices:<\/strong><\/h5>\n<ul>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"2\" data-aria-level=\"2\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Natural predators:<\/span><\/b><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0 ladybird beetles, <\/span><span data-usefontface=\"false\" data-contrast=\"none\">lacewings, predacious mites<\/span>\u200b<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"3\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Plant resistant varieties<\/span>\u200b<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"4\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Promote healthy plant growth\u00a0<\/span>\u200b<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"5\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Reduce plant stress<\/span>\u200b<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"6\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Avoid nitrogen fertilizers<\/span>\u200b<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"7\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Prune to remove severely infested <\/span><span data-usefontface=\"false\" data-contrast=\"none\">leaves<\/span>\u200b<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"8\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Dispose of clippings or dropped <\/span><span data-usefontface=\"false\" data-contrast=\"none\">leaves, keep the surrounding area <\/span><span data-usefontface=\"false\" data-contrast=\"none\">clean<\/span><\/li>\n<\/ul>\n<p><strong style=\"color: inherit;font-size: 1.2em\">Materials:<\/strong><\/p>\n<ul>\n<li style=\"font-weight: 400\" data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Contact insecticides:<\/span><\/b><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0<\/span>\u200b\n<ul>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Reduced risk:<\/span>\u200b\n<ul>\n<li data-charcodes=\"167\" data-font=\"Wingdings,Sans-Serif\" data-buautonum=\"8\" data-margin=\"1980\" data-aria-posinset=\"3\" data-aria-level=\"3\"><span data-usefontface=\"false\" data-contrast=\"none\">Tetronic<\/span><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0acids [23]:\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">spiromesifen<\/span>\u200b<\/li>\n<li data-charcodes=\"167\" data-font=\"Wingdings,Sans-Serif\" data-buautonum=\"8\" data-margin=\"1980\" data-aria-posinset=\"4\" data-aria-level=\"3\"><span data-usefontface=\"false\" data-contrast=\"none\">Mitochondrial c. III electron <\/span><span data-usefontface=\"false\" data-contrast=\"none\">transport inhibitors:\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">Acequinocyl <\/span><span data-usefontface=\"false\" data-contrast=\"none\">[20B],\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">Bifenazate<\/span><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0[20D]<\/span>\u200b<\/li>\n<\/ul>\n<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"5\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Glycosides [6]: Abamectin<\/span>\u200b<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"6\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Pyrethroids [3]: Fluvalinate<\/span><\/li>\n<\/ul>\n<\/li>\n<li style=\"font-weight: 400\" data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"4\" data-aria-level=\"1\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Systemic insecticides<\/span><\/b><span data-usefontface=\"false\" data-contrast=\"none\">: <\/span>\u200b\n<ul>\n<li style=\"font-weight: 400\" data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;font-size: 1rem\"><span class=\"TextRun  BCX0 SCXP28228103\" lang=\"EN-US\" xml:lang=\"EN-US\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun  BCX0 SCXP28228103\">Organophosphates [1B]:\u00a0<\/span><\/span><span class=\"TextRun SpellingErrorZoomed  BCX0 SCXP28228103\" lang=\"EN-US\" xml:lang=\"EN-US\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"BCX0 SCXP28228103\">Acephate<\/span><\/span>\u200b<\/span><span style=\"font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;font-size: 1rem\">\u200b<\/span><\/li>\n<\/ul>\n<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"540\" data-aria-posinset=\"7\" data-aria-level=\"1\"><b style=\"font-weight: 400\"><span data-usefontface=\"false\" data-contrast=\"none\">Considerations:<\/span><\/b>\u200b\n<ul style=\"font-weight: 400\">\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"15\" data-aria-level=\"2\"><span class=\"TextRun SCXP242570340 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP242570340 BCX0\">Will harm non-target species<\/span><\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5><strong>Biorationals:<\/strong><\/h5>\n<ul>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"2\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Mite growth inhibitors<\/span><span data-usefontface=\"false\" data-contrast=\"none\">[10A]:\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">Hexythiazox<\/span>\u200b<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"3\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Spinosyns [5]:\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">spinosad<\/span>\u200b<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"4\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Horticultural oils\u00a0<\/span>\u200b\n<ul>\n<li data-charcodes=\"167\" data-font=\"Wingdings,Sans-Serif\" data-buautonum=\"8\" data-margin=\"1980\" data-aria-posinset=\"5\" data-aria-level=\"3\"><span data-usefontface=\"false\" data-contrast=\"none\">Treat overwintering eggs with <\/span><span data-usefontface=\"false\" data-contrast=\"none\">2-3% dormant oils<\/span>\u200b<\/li>\n<li data-charcodes=\"167\" data-font=\"Wingdings,Sans-Serif\" data-buautonum=\"8\" data-margin=\"1980\" data-aria-posinset=\"6\" data-aria-level=\"3\"><span data-usefontface=\"false\" data-contrast=\"none\">Summer oils (1-2%) can <\/span><span data-usefontface=\"false\" data-contrast=\"none\">control mild populations<\/span>\u200b<\/li>\n<\/ul>\n<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"7\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Insecticidal soaps<\/span><\/li>\n<\/ul>\n<div class=\"mceTemp\"><\/div>\n<figure id=\"attachment_860\" aria-describedby=\"caption-attachment-860\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-860\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/aaa-Boxwood-Spider-Mites-2-768x576-1-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/aaa-Boxwood-Spider-Mites-2-768x576-1-300x225.jpg 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/aaa-Boxwood-Spider-Mites-2-768x576-1.jpg 768w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-860\" class=\"wp-caption-text\">Boxwood spider mite feeding symptoms. This mite species creates linear streaks on leaves. (Photo Credit: Steven K. Rettke, Rutgers Coop. Ext.)<\/figcaption><\/figure>\n<figure id=\"attachment_861\" aria-describedby=\"caption-attachment-861\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-861\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/aaa-Boxwood-Spider-Mites-1-768x570-1-300x223.jpg\" alt=\"\" width=\"300\" height=\"223\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/aaa-Boxwood-Spider-Mites-1-768x570-1-300x223.jpg 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/aaa-Boxwood-Spider-Mites-1-768x570-1.jpg 768w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-861\" class=\"wp-caption-text\">Boxwood spider mite symptoms that are more mild. The distinctive linear streaks are more clearly observed. (Photo Credit: Steven K. Rettke, Rutgers Coop. Ext.)<\/figcaption><\/figure>\n<div class=\"mceTemp\"><\/div>\n<div class=\"mceTemp\"><\/div>\n<div class=\"mceTemp\"><\/div>\n<h6><\/h6>\n<h6><span class=\"LineBox SCXP56887253 BCX0\"><span class=\"TextRun SCXP56887253 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP56887253 BCX0\">Disclaimer<\/span><\/span><span class=\"TextRun SCXP56887253 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP56887253 BCX0\"> &#8211; Materials do not cover all possible control scenarios and are intended for licensed professionals. Tradenames do not imply\u00a0<\/span><\/span><\/span><span class=\"LineBox SCXP56887253 BCX0\"><span class=\"TextRun SCXP56887253 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP56887253 BCX0\">endorsement and are used as examples. You must strictly follow the label for each compound prior to use. Rutgers is not responsible for<\/span><\/span><\/span><span class=\"LineBox SCXP56887253 BCX0\"><span class=\"TextRun SCXP56887253 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP56887253 BCX0\">m is used materials or damages thereof. The label is the law. Labels will provide detailed information on use and restrictions. Additionally, <\/span><\/span><\/span><span class=\"LineBox SCXP56887253 BCX0\"><span class=\"TextRun SCXP56887253 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP56887253 BCX0\">application intervals, compatibility, surfactant use, PHI, PPE, important and other key information is described in detail. Always discuss\u00a0<\/span><\/span><\/span><span class=\"LineBox SCXP56887253 BCX0\"><span class=\"TextRun SCXP56887253 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP56887253 BCX0\">treatments with your local agents.\u00a0<\/span><\/span><span class=\"TextRun SCXP56887253 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-scheme-color=\"@C00000,,\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP56887253 BCX0\">Note: Neonicotinoids can only be legally applied in commercial agriculture settings by licensed <\/span><\/span><\/span><span class=\"LineBox SCXP56887253 BCX0\"><span class=\"TextRun SCXP56887253 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-scheme-color=\"@C00000,,\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP56887253 BCX0\">applicators.\u00a0<\/span><\/span><span class=\"TextRun SCXP56887253 BCX0\" lang=\"EN-US\" xml:lang=\"EN-US\" data-scheme-color=\"@3B7F23,9,18:76000\" data-usefontface=\"false\" data-contrast=\"none\"><span class=\"NormalTextRun SCXP56887253 BCX0\">Guidelines and recommendations made in this presentation are specific to the state of New Jersey.\u00a0<\/span><\/span><\/span><\/h6>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Boxwood Mites (Eurytetranychus buxi) GDD Window (base 50): 450-700 Overview: Overwinter as light-yellow eggs on leaves and twigs\u200b Neither a true cool nor warm season mite \u2013 most active during &hellip; <a href=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/boxwood-mites\/\" class=\"\">Read More<\/a><\/p>\n","protected":false},"author":3407,"featured_media":860,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[15],"tags":[],"class_list":["post-859","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-pests"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.5 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Boxwood Mites - Nursery IPM<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/boxwood-mites\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Boxwood Mites - Nursery IPM\" \/>\n<meta property=\"og:description\" content=\"Boxwood Mites (Eurytetranychus buxi) GDD Window (base 50): 450-700 Overview: Overwinter as light-yellow eggs on leaves and twigs\u200b Neither a true cool nor warm season mite \u2013 most active during &hellip; Read More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/boxwood-mites\/\" \/>\n<meta property=\"og:site_name\" content=\"Nursery IPM\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-13T15:26:37+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-27T19:42:41+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/aaa-Boxwood-Spider-Mites-2-768x576-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"768\" \/>\n\t<meta property=\"og:image:height\" content=\"576\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Erin O. 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