{"id":10855,"date":"2020-11-25T13:06:41","date_gmt":"2020-11-25T18:06:41","guid":{"rendered":"https:\/\/extension.umaine.edu\/home-and-garden-ipm\/?page_id=10855"},"modified":"2020-12-10T15:58:54","modified_gmt":"2020-12-10T20:58:54","slug":"white-pine-sawfly","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/home-and-garden-ipm\/fact-sheets\/common-name-listing\/white-pine-sawfly\/","title":{"rendered":"White Pine Sawfly"},"content":{"rendered":"<p>The <strong>White Pine Sawfly<\/strong>,<em> (Neodiprion pinetum), <\/em>is a pest in its larval form that feeds primarily on Eastern white pine but is known to also attack red, Mugo, and other short-needled pines.\u00a0 Larvae feed gregariously on both the old and the new needles, beginning in late spring.\u00a0 Newborn larvae tend to consume only the outer part of a needle, but older larvae will eat the entire needle.\u00a0 Feeding is heaviest from summer through early fall (July through early September).<\/p>\n<p>Larvae spend the winter as a prepupa, with pupation completing in the spring and the adults emerging several weeks later.\u00a0 The eggs are deposited into tiny slits that are cut into the needles by the sawlike ovipositor that the females possess.\u00a0 Interestingly, a female can produce male offspring from unfertilized eggs, but in order to produce female offspring, successful mating is required.<\/p>\n<p><strong>Larval Appearance:<\/strong><\/p>\n<ul>\n<li>color varies from yellow to light cream<\/li>\n<li>dark and shiny black head<\/li>\n<li>four longitudinal rows of black spots that run the length of the body<\/li>\n<li>posterior black spot (i.e. at the very end of the body, which is the lower left-facing end in the rightmost photo below)<\/li>\n<\/ul>\n\n\t\t<style type=\"text\/css\">\n\t\t\t#gallery-1 {\n\t\t\t\tmargin: auto;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-item {\n\t\t\t\tfloat: left;\n\t\t\t\tmargin-top: 10px;\n\t\t\t\ttext-align: center;\n\t\t\t\twidth: 20%;\n\t\t\t}\n\t\t\t#gallery-1 img {\n\t\t\t\tborder: 2px solid #cfcfcf;\n\t\t\t}\n\t\t\t#gallery-1 .gallery-caption {\n\t\t\t\tmargin-left: 0;\n\t\t\t}\n\t\t\t\/* see gallery_shortcode() in wp-includes\/media.php *\/\n\t\t<\/style>\n\t\t<div id='gallery-1' class='gallery galleryid-10855 gallery-columns-5 gallery-size-thumbnail'><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/home-and-garden-ipm\/wp-content\/uploads\/sites\/43\/2020\/11\/White-Pine-Sawfly-larvae-JFD.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/home-and-garden-ipm\/wp-content\/uploads\/sites\/43\/2020\/11\/White-Pine-Sawfly-larvae-JFD-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"a pair of White Pine Sawfly larvae\" aria-describedby=\"gallery-1-10848\" srcset=\"https:\/\/extension.umaine.edu\/home-and-garden-ipm\/wp-content\/uploads\/sites\/43\/2020\/11\/White-Pine-Sawfly-larvae-JFD-150x150.jpg 150w, https:\/\/extension.umaine.edu\/home-and-garden-ipm\/wp-content\/uploads\/sites\/43\/2020\/11\/White-Pine-Sawfly-larvae-JFD-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-10848'>\n\t\t\t\tWhite Pine Sawfly larvae\n\t\t\t\t<\/dd><\/dl><dl class='gallery-item'>\n\t\t\t<dt class='gallery-icon landscape'>\n\t\t\t\t<a href='https:\/\/extension.umaine.edu\/home-and-garden-ipm\/wp-content\/uploads\/sites\/43\/2020\/11\/White-Pine-Sawfly-larva-JFD.jpg'><img loading=\"lazy\" decoding=\"async\" width=\"150\" height=\"150\" src=\"https:\/\/extension.umaine.edu\/home-and-garden-ipm\/wp-content\/uploads\/sites\/43\/2020\/11\/White-Pine-Sawfly-larva-JFD-150x150.jpg\" class=\"attachment-thumbnail size-thumbnail\" alt=\"a White Pine Sawfly larva\" aria-describedby=\"gallery-1-10849\" srcset=\"https:\/\/extension.umaine.edu\/home-and-garden-ipm\/wp-content\/uploads\/sites\/43\/2020\/11\/White-Pine-Sawfly-larva-JFD-150x150.jpg 150w, https:\/\/extension.umaine.edu\/home-and-garden-ipm\/wp-content\/uploads\/sites\/43\/2020\/11\/White-Pine-Sawfly-larva-JFD-32x32.jpg 32w\" sizes=\"auto, (max-width: 150px) 100vw, 150px\" \/><\/a>\n\t\t\t<\/dt>\n\t\t\t\t<dd class='wp-caption-text gallery-caption' id='gallery-1-10849'>\n\t\t\t\tWhite Pine Sawfly larva\n\t\t\t\t<\/dd><\/dl>\n\t\t\t<br style='clear: both' \/>\n\t\t<\/div>\n\n<hr \/>\n<p><strong>Additional Information and Photos: <\/strong><\/p>\n<ul>\n<li><strong><a href=\"https:\/\/www.forestryimages.org\/browse\/detail.cfm?imgnum=1510038\" target=\"_blank\" rel=\"noopener noreferrer\">Photo of a White Pine Sawfly adult<\/a><\/strong> (forestryimages.org)<\/li>\n<li><a href=\"https:\/\/bugguide.net\/node\/view\/141645\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>White Pine Sawfly larvae<\/strong><\/a> (BugGuide.net)<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>The White Pine Sawfly, (Neodiprion pinetum), is a pest in its larval form that feeds primarily on Eastern white pine but is known to also attack red, Mugo, and other short-needled pines.\u00a0 Larvae feed gregariously on both the old and the new needles, beginning in late spring.\u00a0 Newborn larvae tend to consume only the outer [&hellip;]<\/p>\n","protected":false},"author":60,"featured_media":0,"parent":1561,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_kad_blocks_custom_css":"","_kad_blocks_head_custom_js":"","_kad_blocks_body_custom_js":"","_kad_blocks_footer_custom_js":"","_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0,"footnotes":""},"class_list":["post-10855","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>White Pine Sawfly - Home and Garden IPM from Cooperative Extension - University of Maine Cooperative Extension<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" 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