{"id":1001,"date":"2025-05-27T19:23:05","date_gmt":"2025-05-27T19:23:05","guid":{"rendered":"https:\/\/sites.rutgers.edu\/nursery-ipm\/?p=1001"},"modified":"2025-08-27T19:38:32","modified_gmt":"2025-08-27T19:38:32","slug":"bagworm","status":"publish","type":"post","link":"https:\/\/sites.rutgers.edu\/nursery-ipm\/bagworm\/","title":{"rendered":"Bagworm"},"content":{"rendered":"<h2><strong>Bagworm (<em>Thyridopteryx ephemeraeformis<\/em>)<\/strong><\/h2>\n<h4><strong>GDD Window (base 50): 600-900<\/strong><\/h4>\n<h5><\/h5>\n<h4><strong>Overview:<\/strong>\u200b\u200b\u200b<\/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\">Eggs overwinter in 1-2.5&#8243; pinecone-shaped cases or &#8220;bags&#8221; that the caterpillar forms and <\/span><span data-usefontface=\"false\" data-contrast=\"none\">suspends from host plants<\/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\">Small black\/gray and amber larvae hatch in the early summer and immediately begin <\/span><span data-usefontface=\"false\" data-contrast=\"none\">feeding while constructing their cases, in which they reside<\/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\">Growth and molting continue through summer, until larvae stop feeding around mid-<\/span><span data-usefontface=\"false\" data-contrast=\"none\">August, when they close the case with silk to pupate<\/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\">During early to mid-fall, pupation ends and 1-inch long, fur-covered, black adult male <\/span><span data-usefontface=\"false\" data-contrast=\"none\">moths with clear wings emerge<\/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\">Adult females remain in their bags and release pheromones to attract males<\/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\">Females deposit 500-1000 eggs in their bag, and adults die after reproduction\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\">One generation per year\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 complete defoliation, brown spots on leaves, and leaf skeletonization, as well as\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">canopy thinning<\/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\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Host plants:<\/span><\/b><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0over 125 trees and shrubs<\/span>\u200b\n<ul>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"10\" data-aria-level=\"2\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Evergreen \u2013<\/span><\/b><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0arborvitae, juniper, cedar, fir, pine, spruce<\/span>\u200b<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"1260\" data-aria-posinset=\"11\" data-aria-level=\"2\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Deciduous \u2013<\/span><\/b><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0birch, boxelder, elm, willow, sycamore, black locust, honey locust,<\/span><span data-usefontface=\"false\" data-contrast=\"none\">persimmon, poplar, maple, sweet gum\u00a0<\/span>\u200b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h4><strong>Management:<\/strong><\/h4>\n<h5><strong>Cultural Practices:<\/strong><\/h5>\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=\"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 birds, parasitoids, <\/span><span data-usefontface=\"false\" data-contrast=\"none\">insects, fungi (<\/span><i><span data-usefontface=\"false\" data-contrast=\"none\">Apergillus<\/span><\/i><i><span data-usefontface=\"false\" data-contrast=\"none\"> parasiticus,\u00a0<\/span><\/i><i><span data-usefontface=\"false\" data-contrast=\"none\">Beauveria bassiana,\u00a0<\/span><\/i><i><span data-usefontface=\"false\" data-contrast=\"none\">Parcilomyces<\/span><\/i><i><span data-usefontface=\"false\" data-contrast=\"none\">lanosum<\/span><\/i><span data-usefontface=\"false\" data-contrast=\"none\">)<\/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\">Most often spread by transporting <\/span><span data-usefontface=\"false\" data-contrast=\"none\">infested nursery stock \u2013 check plants <\/span><span data-usefontface=\"false\" data-contrast=\"none\">before moving or planting<\/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\">Early detection is important to prevent s<\/span><span data-usefontface=\"false\" data-contrast=\"none\">pread<\/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\">Remove egg cases and drop them into soapy water\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\">Pheromone traps<\/span><\/li>\n<\/ul>\n<h5><strong>Materials:<\/strong><\/h5>\n<ul>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"1\" data-aria-level=\"1\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Contact insecticides:<\/span><\/b>\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\">Carbamates [1A]: carbaryl<\/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\">Pyrethroids [3A]: &#8211;<\/span><span data-usefontface=\"false\" data-contrast=\"none\">thrins<\/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\">Oxadiazine [22A]: indoxacarb\u00a0<\/span>\u200b<\/li>\n<\/ul>\n<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"5\" data-aria-level=\"1\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Systemic insecticides:<\/span><\/b>\u200b\n<ul>\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\">Diamides [28]:\u00a0<\/span><span data-usefontface=\"true\" data-contrast=\"none\">chlorantraniliprole ,<\/span><span data-usefontface=\"true\" data-contrast=\"none\">cyantraniliprole,\u00a0<\/span><span data-usefontface=\"true\" data-contrast=\"none\">cyclaniliprole<\/span><span data-usefontface=\"true\" data-contrast=\"none\">, <\/span><span data-usefontface=\"true\" data-contrast=\"none\">cyclaniliprole<\/span><span data-usefontface=\"true\" data-contrast=\"none\">\u00a0+<\/span><span data-usefontface=\"true\" data-contrast=\"none\">flonicamid<\/span><span data-usefontface=\"true\" data-contrast=\"none\">\u00a0[29]\u00a0<\/span>\u200b<\/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><span data-usefontface=\"false\" data-contrast=\"none\">Considerations:<\/span><\/b>\u200b\n<ul>\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\">Will harm non-target species<\/span><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5><strong>Biorationals:<\/strong><\/h5>\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=\"2\" 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=\"3\" data-aria-level=\"2\"><i><span data-usefontface=\"false\" data-contrast=\"none\">Bacillus\u00a0thuringiensis\u00a0var\u00a0<\/span><\/i><i><span data-usefontface=\"false\" data-contrast=\"none\">kurstaki<\/span><\/i><i><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0<\/span><\/i><span data-usefontface=\"false\" data-contrast=\"none\">(<\/span><span data-usefontface=\"false\" data-contrast=\"none\">Bt<\/span><span data-usefontface=\"false\" data-contrast=\"none\">)<\/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\">Mechanical removal of bags: before\u00a0egg hatch or throughout season<\/li>\n<\/ul>\n<div class=\"mceTemp\"><\/div>\n<figure id=\"attachment_1003\" aria-describedby=\"caption-attachment-1003\" style=\"width: 283px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1003\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Bagworm-283x300.jpg\" alt=\"\" width=\"283\" height=\"300\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Bagworm-283x300.jpg 283w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Bagworm-966x1024.jpg 966w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Bagworm-768x814.jpg 768w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Bagworm.jpg 1145w\" sizes=\"(max-width: 283px) 100vw, 283px\" \/><figcaption id=\"caption-attachment-1003\" class=\"wp-caption-text\">Photo: Tim Waller<\/figcaption><\/figure>\n<figure id=\"attachment_1004\" aria-describedby=\"caption-attachment-1004\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1004\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.21.38\u202fPM-300x199.png\" alt=\"\" width=\"300\" height=\"199\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.21.38\u202fPM-300x199.png 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.21.38\u202fPM.png 582w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1004\" class=\"wp-caption-text\">Unhatched Bagworm Eggs in Female Sack<br \/>Photo by Steven K. Rettke of RCE<\/figcaption><\/figure>\n<figure id=\"attachment_1005\" aria-describedby=\"caption-attachment-1005\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1005\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.21.50\u202fPM-300x200.png\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.21.50\u202fPM-300x200.png 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.21.50\u202fPM.png 598w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1005\" class=\"wp-caption-text\">Bagworm Early Instars After Hatch<br \/>Photo by Steven K. Rettke of RCE<\/figcaption><\/figure>\n<figure id=\"attachment_1006\" aria-describedby=\"caption-attachment-1006\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1006\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.21.56\u202fPM-300x227.png\" alt=\"\" width=\"300\" height=\"227\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.21.56\u202fPM-300x227.png 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.21.56\u202fPM.png 586w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1006\" class=\"wp-caption-text\">Bagworm Early Instar Preparing for Ballooning Stage<br \/>Photo by Steven K. Rettke of RCE<\/figcaption><\/figure>\n<figure id=\"attachment_1007\" aria-describedby=\"caption-attachment-1007\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1007\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.22.18\u202fPM-300x226.png\" alt=\"\" width=\"300\" height=\"226\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.22.18\u202fPM-300x226.png 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.22.18\u202fPM.png 582w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1007\" class=\"wp-caption-text\">Bagworm Feeding Symptoms at Top of Plant<br \/>Photo by Steven K. Rettke of RCE<\/figcaption><\/figure>\n<figure id=\"attachment_1008\" aria-describedby=\"caption-attachment-1008\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1008\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.22.31\u202fPM-300x199.png\" alt=\"\" width=\"300\" height=\"199\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.22.31\u202fPM-300x199.png 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.22.31\u202fPM.png 594w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1008\" class=\"wp-caption-text\">Late Instar Bagworm at End of Season<br \/>Photo by Steven K. Rettke of RCE<\/figcaption><\/figure>\n<figure id=\"attachment_1009\" aria-describedby=\"caption-attachment-1009\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1009\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.22.47\u202fPM-300x200.png\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.22.47\u202fPM-300x200.png 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/Screenshot-2025-07-24-at-3.22.47\u202fPM.png 592w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-1009\" class=\"wp-caption-text\">Bagworm Defoliation of Leyland Cypress<br \/>Photo by Steven K. Rettke of RCE<\/figcaption><\/figure>\n<div class=\"mceTemp\"><\/div>\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>Bagworm (Thyridopteryx ephemeraeformis) GDD Window (base 50): 600-900 Overview:\u200b\u200b\u200b Eggs overwinter in 1-2.5&#8243; pinecone-shaped cases or &#8220;bags&#8221; that the caterpillar forms and suspends from host plants\u200b Small black\/gray and amber &hellip; <a href=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/bagworm\/\" class=\"\">Read More<\/a><\/p>\n","protected":false},"author":3407,"featured_media":1002,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[15],"tags":[],"class_list":["post-1001","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>Bagworm - 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\/bagworm\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Bagworm - Nursery IPM\" \/>\n<meta property=\"og:description\" content=\"Bagworm (Thyridopteryx ephemeraeformis) GDD Window (base 50): 600-900 Overview:\u200b\u200b\u200b Eggs overwinter in 1-2.5&#8243; pinecone-shaped cases or &#8220;bags&#8221; that the caterpillar forms and suspends from host plants\u200b Small black\/gray and amber &hellip; Read More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/bagworm\/\" \/>\n<meta property=\"og:site_name\" content=\"Nursery IPM\" \/>\n<meta property=\"article:published_time\" content=\"2025-05-27T19:23:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-08-27T19:38:32+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/07\/RB-Conifer-bagworm-768x440-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"768\" \/>\n\t<meta property=\"og:image:height\" content=\"440\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Erin O. 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