{"id":658,"date":"2025-06-05T17:23:45","date_gmt":"2025-06-05T17:23:45","guid":{"rendered":"https:\/\/sites.rutgers.edu\/nursery-ipm\/?p=658"},"modified":"2025-06-05T17:23:45","modified_gmt":"2025-06-05T17:23:45","slug":"adelgid","status":"publish","type":"post","link":"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/","title":{"rendered":"Adelgid"},"content":{"rendered":"<h2><strong>Adelgids (<em>Adelgidae<\/em>)<\/strong><\/h2>\n<h4><strong>GDD Window (base 50): 22-618, depending on species\u00a0<\/strong><\/h4>\n<h5><\/h5>\n<h4><strong>Overview:<\/strong><\/h4>\n<ul style=\"font-weight: 400\">\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"1\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Small, aphid-like insects associated with\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">conifers<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"2\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">1.5mm in length, varying in color by species,\u00a0from dark reddish-<\/span><span data-usefontface=\"false\" data-contrast=\"none\">brown to purplish-<\/span><span data-usefontface=\"false\" data-contrast=\"none\">black.<\/span><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"3\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">May or may not have\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">wings.<\/span><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"4\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">No\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">cornicles.<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"5\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Nymphs resemble small\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">adults.<\/span><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"6\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Adults produce\u00a0a protective wool-like\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">filament.<\/span><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"7\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Cause white, cottony masses at the base of\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">needles.<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"8\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Can lead to off-color, grayish needles, thinning crowns, premature\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">needle loss,\u00a0and dieback and death of\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">trees.<\/span><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"9\" data-aria-level=\"1\"><span data-usefontface=\"false\" data-contrast=\"none\">Can cause\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">gouting<\/span><span data-usefontface=\"false\" data-contrast=\"none\">, or abnormal swelling of branch nodes and\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">buds.<\/span><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0<\/span>\u200b<\/li>\n<li data-charcodes=\"45\" data-font=\"Calibri,Sans-Serif\" data-buautonum=\"8\" data-margin=\"450\" 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\">\u00a0Conifers &#8211;\u00a0Douglas-fir, hemlock, larch, pine,\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">spruce<\/span><\/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\">Beneficial insects:<\/span><\/b><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0ladybug<\/span><span data-usefontface=\"false\" data-contrast=\"none\">beetles, lacewings, parasitic wasps<\/span><span data-usefontface=\"false\" data-contrast=\"none\">(<\/span><i><span data-usefontface=\"false\" data-contrast=\"none\">Pseudoscymnus<\/span><\/i><i><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0<\/span><\/i><i><span data-usefontface=\"false\" data-contrast=\"none\">tsugae<\/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\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Companion plantings:<\/span><\/b><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0marigolds,<\/span><span data-usefontface=\"false\" data-contrast=\"none\">nasturtiums, dill, basil<\/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\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Traps:\u00a0<\/span><\/b><span data-usefontface=\"false\" data-contrast=\"none\">Sticky traps, monitoring<\/span><span data-usefontface=\"false\" data-contrast=\"none\">traps<\/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\">Mulch to suppress weeds and retain<\/span><span data-usefontface=\"false\" data-contrast=\"none\">moisture<\/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\">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=\"7\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Avoid over-fertilizing\u00a0<\/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\">Heavy sprays of water<\/span><\/li>\n<\/ul>\n<h5><strong>Materials:<\/strong><\/h5>\n<ul style=\"font-weight: 400\">\n<li 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 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\">Pyrethroids [3]: permethrin, bifenthrin, <\/span><span data-usefontface=\"false\" data-contrast=\"none\">cypermethrin, deltamethrin\u00a0<\/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\">Carbamates [1A]: Carbaryl<\/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=\"4\" data-aria-level=\"1\"><b><span data-usefontface=\"false\" data-contrast=\"none\">Systemic insecticides:<\/span><\/b><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0<\/span>\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=\"5\" data-aria-level=\"2\"><span data-usefontface=\"false\" data-contrast=\"none\">Organophosphates [1B]: malathion, <\/span><span data-usefontface=\"false\" data-contrast=\"none\">diazinon,\u00a0<\/span><span data-usefontface=\"false\" data-contrast=\"none\">acephate<\/span><span data-usefontface=\"false\" data-contrast=\"none\">\u00a0<\/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\">Neonicotinoids [4A]: Imidacloprid, <\/span><span data-usefontface=\"false\" data-contrast=\"none\">Dinotefuran<\/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\">Diamides [28]: Cyantraniliprole<\/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><span data-usefontface=\"false\" data-contrast=\"none\">Considerations:<\/span><\/b>\u200b\n<ul style=\"font-weight: 400\">\n<li>Will harm non-target species and beneficial insects\u200b\u200b<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<h5><strong>Biorationals:<\/strong><\/h5>\n<ul style=\"font-weight: 400\">\n<li style=\"font-weight: 400\" data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"1\" data-aria-level=\"1\">Insecticidal soaps<\/li>\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"1\" data-aria-level=\"1\">Horticultural oils\n<ul style=\"font-weight: 400\">\n<li data-charcodes=\"111\" data-font=\"Courier New,monospace\" data-buautonum=\"8\" data-margin=\"450\" data-aria-posinset=\"1\" data-aria-level=\"1\">mineral oil, neem oil<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<div class=\"mceTemp\"><\/div>\n<figure id=\"attachment_659\" aria-describedby=\"caption-attachment-659\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-659\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff16-Xmas23-Spruce-Gall-Adelgid-overwintering-300x214.jpg\" alt=\"\" width=\"300\" height=\"214\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff16-Xmas23-Spruce-Gall-Adelgid-overwintering-300x214.jpg 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff16-Xmas23-Spruce-Gall-Adelgid-overwintering.jpg 750w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-659\" class=\"wp-caption-text\">Photo: Steven K. Rettke, Rutgers Cooperative Extension<\/figcaption><\/figure>\n<figure id=\"attachment_660\" aria-describedby=\"caption-attachment-660\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-660\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff15-Xmas1-Eastern-Spruce-Gall-Adelgids-300x200.jpg\" alt=\"\" width=\"300\" height=\"200\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff15-Xmas1-Eastern-Spruce-Gall-Adelgids-300x200.jpg 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff15-Xmas1-Eastern-Spruce-Gall-Adelgids.jpg 751w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-660\" class=\"wp-caption-text\">Photo: Steven K. Rettke, Rutgers Cooperative Extension<\/figcaption><\/figure>\n<figure id=\"attachment_661\" aria-describedby=\"caption-attachment-661\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-661\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff17-HWA-2-300x225.jpg\" alt=\"\" width=\"300\" height=\"225\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff17-HWA-2-300x225.jpg 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff17-HWA-2.jpg 739w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-661\" class=\"wp-caption-text\">Photo: Steven K. Rettke, Rutgers Cooperative Extension<\/figcaption><\/figure>\n<figure id=\"attachment_663\" aria-describedby=\"caption-attachment-663\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-663\" src=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff19-Hemlock-Woolly-Wdelgids-768x553-1-300x216.jpg\" alt=\"\" width=\"300\" height=\"216\" srcset=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff19-Hemlock-Woolly-Wdelgids-768x553-1-300x216.jpg 300w, https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff19-Hemlock-Woolly-Wdelgids-768x553-1.jpg 768w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><figcaption id=\"caption-attachment-663\" class=\"wp-caption-text\">Photo: Steven K. Rettke, Rutgers Cooperative Extension<\/figcaption><\/figure>\n<p>&nbsp;<\/p>\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>Adelgids (Adelgidae) GDD Window (base 50): 22-618, depending on species\u00a0 Overview: Small, aphid-like insects associated with\u00a0conifers\u200b 1.5mm in length, varying in color by species,\u00a0from dark reddish-brown to purplish-black.\u00a0\u200b May or &hellip; <a href=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/\" class=\"\">Read More<\/a><\/p>\n","protected":false},"author":3407,"featured_media":662,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[15],"tags":[],"class_list":["post-658","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>Adelgid - 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\/adelgid\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Adelgid - Nursery IPM\" \/>\n<meta property=\"og:description\" content=\"Adelgids (Adelgidae) GDD Window (base 50): 22-618, depending on species\u00a0 Overview: Small, aphid-like insects associated with\u00a0conifers\u200b 1.5mm in length, varying in color by species,\u00a0from dark reddish-brown to purplish-black.\u00a0\u200b May or &hellip; Read More\" \/>\n<meta property=\"og:url\" content=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/\" \/>\n<meta property=\"og:site_name\" content=\"Nursery IPM\" \/>\n<meta property=\"article:published_time\" content=\"2025-06-05T17:23:45+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff18-Weather-Effects-on-Insects-Mites-Adelgids-1-768x536-1.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"768\" \/>\n\t<meta property=\"og:image:height\" content=\"536\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Erin O. Quinn\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Erin O. Quinn\" \/>\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\":\"WebPage\",\"@id\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/\",\"url\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/\",\"name\":\"Adelgid - Nursery IPM\",\"isPartOf\":{\"@id\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/#primaryimage\"},\"image\":{\"@id\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff18-Weather-Effects-on-Insects-Mites-Adelgids-1-768x536-1.jpg\",\"datePublished\":\"2025-06-05T17:23:45+00:00\",\"dateModified\":\"2025-06-05T17:23:45+00:00\",\"author\":{\"@id\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/#\/schema\/person\/1a070508b880ef7fe0dc180e168e64cf\"},\"breadcrumb\":{\"@id\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/#breadcrumb\"},\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/#primaryimage\",\"url\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff18-Weather-Effects-on-Insects-Mites-Adelgids-1-768x536-1.jpg\",\"contentUrl\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff18-Weather-Effects-on-Insects-Mites-Adelgids-1-768x536-1.jpg\",\"width\":768,\"height\":536,\"caption\":\"Photo: Steven K. Rettke, Rutgers Cooperative Extension\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Adelgid\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/#website\",\"url\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/\",\"name\":\"Nursery IPM\",\"description\":\"\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"en-US\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/#\/schema\/person\/1a070508b880ef7fe0dc180e168e64cf\",\"name\":\"Erin O. Quinn\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"en-US\",\"@id\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/a5e6879be80394bab29d973d1210e67f?s=96&d=mm&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/a5e6879be80394bab29d973d1210e67f?s=96&d=mm&r=g\",\"caption\":\"Erin O. Quinn\"},\"url\":\"https:\/\/sites.rutgers.edu\/nursery-ipm\/author\/eoq1\/\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Adelgid - Nursery IPM","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/","og_locale":"en_US","og_type":"article","og_title":"Adelgid - Nursery IPM","og_description":"Adelgids (Adelgidae) GDD Window (base 50): 22-618, depending on species\u00a0 Overview: Small, aphid-like insects associated with\u00a0conifers\u200b 1.5mm in length, varying in color by species,\u00a0from dark reddish-brown to purplish-black.\u00a0\u200b May or &hellip; Read More","og_url":"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/","og_site_name":"Nursery IPM","article_published_time":"2025-06-05T17:23:45+00:00","og_image":[{"width":768,"height":536,"url":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff18-Weather-Effects-on-Insects-Mites-Adelgids-1-768x536-1.jpg","type":"image\/jpeg"}],"author":"Erin O. Quinn","twitter_card":"summary_large_image","twitter_misc":{"Written by":"Erin O. Quinn","Est. reading time":"2 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/","url":"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/","name":"Adelgid - Nursery IPM","isPartOf":{"@id":"https:\/\/sites.rutgers.edu\/nursery-ipm\/#website"},"primaryImageOfPage":{"@id":"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/#primaryimage"},"image":{"@id":"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/#primaryimage"},"thumbnailUrl":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff18-Weather-Effects-on-Insects-Mites-Adelgids-1-768x536-1.jpg","datePublished":"2025-06-05T17:23:45+00:00","dateModified":"2025-06-05T17:23:45+00:00","author":{"@id":"https:\/\/sites.rutgers.edu\/nursery-ipm\/#\/schema\/person\/1a070508b880ef7fe0dc180e168e64cf"},"breadcrumb":{"@id":"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/#breadcrumb"},"inLanguage":"en-US","potentialAction":[{"@type":"ReadAction","target":["https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/"]}]},{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/#primaryimage","url":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff18-Weather-Effects-on-Insects-Mites-Adelgids-1-768x536-1.jpg","contentUrl":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-content\/uploads\/sites\/1396\/2025\/06\/fff18-Weather-Effects-on-Insects-Mites-Adelgids-1-768x536-1.jpg","width":768,"height":536,"caption":"Photo: Steven K. Rettke, Rutgers Cooperative Extension"},{"@type":"BreadcrumbList","@id":"https:\/\/sites.rutgers.edu\/nursery-ipm\/adelgid\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/sites.rutgers.edu\/nursery-ipm\/"},{"@type":"ListItem","position":2,"name":"Adelgid"}]},{"@type":"WebSite","@id":"https:\/\/sites.rutgers.edu\/nursery-ipm\/#website","url":"https:\/\/sites.rutgers.edu\/nursery-ipm\/","name":"Nursery IPM","description":"","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/sites.rutgers.edu\/nursery-ipm\/?s={search_term_string}"},"query-input":{"@type":"PropertyValueSpecification","valueRequired":true,"valueName":"search_term_string"}}],"inLanguage":"en-US"},{"@type":"Person","@id":"https:\/\/sites.rutgers.edu\/nursery-ipm\/#\/schema\/person\/1a070508b880ef7fe0dc180e168e64cf","name":"Erin O. Quinn","image":{"@type":"ImageObject","inLanguage":"en-US","@id":"https:\/\/sites.rutgers.edu\/nursery-ipm\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/a5e6879be80394bab29d973d1210e67f?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/a5e6879be80394bab29d973d1210e67f?s=96&d=mm&r=g","caption":"Erin O. Quinn"},"url":"https:\/\/sites.rutgers.edu\/nursery-ipm\/author\/eoq1\/"}]}},"_links":{"self":[{"href":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-json\/wp\/v2\/posts\/658"}],"collection":[{"href":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-json\/wp\/v2\/users\/3407"}],"replies":[{"embeddable":true,"href":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-json\/wp\/v2\/comments?post=658"}],"version-history":[{"count":1,"href":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-json\/wp\/v2\/posts\/658\/revisions"}],"predecessor-version":[{"id":664,"href":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-json\/wp\/v2\/posts\/658\/revisions\/664"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-json\/wp\/v2\/media\/662"}],"wp:attachment":[{"href":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-json\/wp\/v2\/media?parent=658"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-json\/wp\/v2\/categories?post=658"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/sites.rutgers.edu\/nursery-ipm\/wp-json\/wp\/v2\/tags?post=658"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}