{"id":3520,"date":"2024-07-11T15:00:57","date_gmt":"2024-07-11T15:00:57","guid":{"rendered":"https:\/\/cwc.utah.gov\/environmental-dashboard\/?page_id=3520"},"modified":"2025-06-02T16:52:07","modified_gmt":"2025-06-02T16:52:07","slug":"insect-damage","status":"publish","type":"page","link":"https:\/\/cwc.utah.gov\/central-wasatch-dashboard\/vegetation\/insect-damage\/","title":{"rendered":"Insect Damage"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Insect Damage to Trees<\/h2>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column has-small-font-size is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:550px\">\n<div class=\"wp-block-group has-medium-font-size\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p style=\"font-size:20px\">Bark beetles and balsam wooly adelgids are two insects causing extensive damage to trees across Utah. They can wipe out entire forest stands, as seen in many portions of the Wasatch and Uinta Mountains.<\/p>\n\n\n\n<p style=\"font-size:20px\">Trees defend themselves by producing sap to deter these insects from laying their eggs below the bark. However, sap production decreases under drought stress, making trees more vulnerable.<\/p>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-8cf370e7 wp-block-group-is-layout-flex\"><div class=\"wp-block-image\">\n<figure class=\"alignright size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"400\" height=\"383\" src=\"https:\/\/i0.wp.com\/cwc.utah.gov\/environmental-dashboard\/wp-content\/uploads\/2022\/02\/douglas-fir-beetle.png?resize=400%2C383&#038;ssl=1\" alt=\"Douglas Fir Beetle\" class=\"wp-image-914\" style=\"width:220px\" srcset=\"https:\/\/i0.wp.com\/cwc.utah.gov\/central-wasatch-dashboard\/wp-content\/uploads\/2022\/02\/douglas-fir-beetle.png?w=400&amp;ssl=1 400w, https:\/\/i0.wp.com\/cwc.utah.gov\/central-wasatch-dashboard\/wp-content\/uploads\/2022\/02\/douglas-fir-beetle.png?resize=300%2C287&amp;ssl=1 300w\" sizes=\"auto, (max-width: 400px) 100vw, 400px\" \/><figcaption class=\"wp-element-caption\">Douglas Fir Beetle<\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image is-style-default\">\n<figure class=\"alignright size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"420\" height=\"296\" src=\"https:\/\/i0.wp.com\/cwc.utah.gov\/environmental-dashboard\/wp-content\/uploads\/2022\/02\/balsam-woolly-agelids.png?resize=420%2C296&#038;ssl=1\" alt=\"Balsam woolly adelgids\" class=\"wp-image-889\" style=\"width:200px\" srcset=\"https:\/\/i0.wp.com\/cwc.utah.gov\/central-wasatch-dashboard\/wp-content\/uploads\/2022\/02\/balsam-woolly-agelids.png?w=420&amp;ssl=1 420w, https:\/\/i0.wp.com\/cwc.utah.gov\/central-wasatch-dashboard\/wp-content\/uploads\/2022\/02\/balsam-woolly-agelids.png?resize=300%2C211&amp;ssl=1 300w\" sizes=\"auto, (max-width: 420px) 100vw, 420px\" \/><figcaption class=\"wp-element-caption\">Balsam woolly adelgids<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:350px\">\n<div class=\"wp-block-group is-nowrap is-layout-flex wp-container-core-group-is-layout-ad2f72ca wp-block-group-is-layout-flex\"><div class=\"wp-block-image is-style-default\">\n<figure class=\"alignleft size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"381\" height=\"473\" src=\"https:\/\/i0.wp.com\/cwc.utah.gov\/environmental-dashboard\/wp-content\/uploads\/2022\/02\/douglas-fir-sap.png?resize=381%2C473&#038;ssl=1\" alt=\"Sap exuding from a Douglas fir\" class=\"wp-image-891\" style=\"width:252px;height:auto\" srcset=\"https:\/\/i0.wp.com\/cwc.utah.gov\/central-wasatch-dashboard\/wp-content\/uploads\/2022\/02\/douglas-fir-sap.png?w=381&amp;ssl=1 381w, https:\/\/i0.wp.com\/cwc.utah.gov\/central-wasatch-dashboard\/wp-content\/uploads\/2022\/02\/douglas-fir-sap.png?resize=242%2C300&amp;ssl=1 242w\" sizes=\"auto, (max-width: 381px) 100vw, 381px\" \/><figcaption class=\"wp-element-caption\">Sap exuding from a Douglas fir<\/figcaption><\/figure>\n<\/div>\n\n<div class=\"wp-block-image\">\n<figure class=\"alignleft size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"382\" height=\"570\" src=\"https:\/\/i0.wp.com\/cwc.utah.gov\/environmental-dashboard\/wp-content\/uploads\/2022\/02\/douglas-fir-beetle-damage.png?resize=382%2C570&#038;ssl=1\" alt=\"Egg and larval galleries of Douglas-fir beetle\" class=\"wp-image-926\" style=\"width:227px;height:auto\" srcset=\"https:\/\/i0.wp.com\/cwc.utah.gov\/central-wasatch-dashboard\/wp-content\/uploads\/2022\/02\/douglas-fir-beetle-damage.png?w=382&amp;ssl=1 382w, https:\/\/i0.wp.com\/cwc.utah.gov\/central-wasatch-dashboard\/wp-content\/uploads\/2022\/02\/douglas-fir-beetle-damage.png?resize=201%2C300&amp;ssl=1 201w\" sizes=\"auto, (max-width: 382px) 100vw, 382px\" \/><figcaption class=\"wp-element-caption\">Egg and larval galleries of Douglas-fir beetle<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:550px\">\n<p style=\"font-size:20px\">During droughts, the reduced sap production makes trees more vulnerable to beetle attacks. Eggs and larval galleries lie just below the bark layer. <\/p>\n\n\n\n<p style=\"font-size:20px\">The first signs of insect damage include the appearance of brown needles, followed by needle drop and eventually tree death.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:550px\">\n<p style=\"font-size:20px\">Climate changes are leading to warmer winters, resulting in fewer overwintering deaths of these insects. As a result, insect damage is increasing, and forest health is declining.<\/p>\n\n\n\n<p style=\"font-size:20px\"><a href=\"https:\/\/ffsl.utah.gov\/forestry\/forest-health\/insect-and-disease\/\" target=\"_blank\" rel=\"noreferrer noopener\" class=\"broken_link\">Click here<\/a> to read the state\u2019s latest report on insects and disease across Utah&#8217;s forests.<\/p>\n\n\n\n<p style=\"font-size:20px\"><a href=\"https:\/\/youtu.be\/7HVvx3_wNJg\">Click here<\/a> to see a video of Dr. Barbara Bentz at Utah State University talking about her research on bark beetles and what inspired her to become a research scientist.<\/p>\n\n\n\n<p style=\"font-size:20px\"><a href=\"https:\/\/www.usu.edu\/beetle\/\" class=\"broken_link\">Click here<\/a> to learn more of Dr. Bentz\u2019s current research.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:200px\">\n<div class=\"wp-block-group is-vertical is-layout-flex wp-container-core-group-is-layout-8cf370e7 wp-block-group-is-layout-flex\"><div class=\"wp-block-image is-style-rounded\">\n<figure class=\"alignleft size-full is-resized\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"230\" height=\"186\" src=\"https:\/\/i0.wp.com\/cwc.utah.gov\/environmental-dashboard\/wp-content\/uploads\/2022\/02\/barbara-bentz.jpg?resize=230%2C186&#038;ssl=1\" alt=\"Dr. Barbara Bentz\" class=\"wp-image-933\" style=\"width:237px;height:auto\"\/><figcaption class=\"wp-element-caption\">Dr. Barbara Bentz is one of the world&#8217;s foremost specialists in bark beetles<\/figcaption><\/figure>\n<\/div><\/div>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Insect Damage to Trees Bark beetles and balsam wooly adelgids are two insects causing extensive damage to trees across Utah. They can wipe out entire forest stands, as seen in many portions of the Wasatch and Uinta Mountains. Trees defend themselves by producing sap to deter these insects from laying their eggs below the bark. [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":396,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"ub_ctt_via":"","ocean_post_layout":"left-sidebar","ocean_both_sidebars_style":"","ocean_both_sidebars_content_width":0,"ocean_both_sidebars_sidebars_width":0,"ocean_sidebar":"ocs-vegetation-category-sidebar","ocean_second_sidebar":"0","ocean_disable_margins":"enable","ocean_add_body_class":"vegetation-header","ocean_shortcode_before_top_bar":"","ocean_shortcode_after_top_bar":"","ocean_shortcode_before_header":"","ocean_shortcode_after_header":"","ocean_has_shortcode":"","ocean_shortcode_after_title":"","ocean_shortcode_before_footer_widgets":"","ocean_shortcode_after_footer_widgets":"","ocean_shortcode_before_footer_bottom":"","ocean_shortcode_after_footer_bottom":"","ocean_display_top_bar":"default","ocean_display_header":"default","ocean_header_style":"","ocean_center_header_left_menu":"0","ocean_custom_header_template":"0","ocean_custom_logo":0,"ocean_custom_retina_logo":0,"ocean_custom_logo_max_width":0,"ocean_custom_logo_tablet_max_width":0,"ocean_custom_logo_mobile_max_width":0,"ocean_custom_logo_max_height":0,"ocean_custom_logo_tablet_max_height":0,"ocean_custom_logo_mobile_max_height":0,"ocean_header_custom_menu":"0","ocean_menu_typo_font_family":"0","ocean_menu_typo_font_subset":"","ocean_menu_typo_font_size":0,"ocean_menu_typo_font_size_tablet":0,"ocean_menu_typo_font_size_mobile":0,"ocean_menu_typo_font_size_unit":"px","ocean_menu_typo_font_weight":"","ocean_menu_typo_font_weight_tablet":"","ocean_menu_typo_font_weight_mobile":"","ocean_menu_typo_transform":"","ocean_menu_typo_transform_tablet":"","ocean_menu_typo_transform_mobile":"","ocean_menu_typo_line_height":0,"ocean_menu_typo_line_height_tablet":0,"ocean_menu_typo_line_height_mobile":0,"ocean_menu_typo_line_height_unit":"","ocean_menu_typo_spacing":0,"ocean_menu_typo_spacing_tablet":0,"ocean_menu_typo_spacing_mobile":0,"ocean_menu_typo_spacing_unit":"","ocean_menu_link_color":"","ocean_menu_link_color_hover":"","ocean_menu_link_color_active":"","ocean_menu_link_background":"","ocean_menu_link_hover_background":"","ocean_menu_link_active_background":"","ocean_menu_social_links_bg":"","ocean_menu_social_hover_links_bg":"","ocean_menu_social_links_color":"","ocean_menu_social_hover_links_color":"","ocean_disable_title":"default","ocean_disable_heading":"default","ocean_post_title":"","ocean_post_subheading":"","ocean_post_title_style":"","ocean_post_title_background_color":"","ocean_post_title_background":0,"ocean_post_title_bg_image_position":"","ocean_post_title_bg_image_attachment":"","ocean_post_title_bg_image_repeat":"","ocean_post_title_bg_image_size":"","ocean_post_title_height":0,"ocean_post_title_bg_overlay":0.5,"ocean_post_title_bg_overlay_color":"","ocean_disable_breadcrumbs":"default","ocean_breadcrumbs_color":"","ocean_breadcrumbs_separator_color":"","ocean_breadcrumbs_links_color":"","ocean_breadcrumbs_links_hover_color":"","ocean_display_footer_widgets":"default","ocean_display_footer_bottom":"default","ocean_custom_footer_template":"0","footnotes":""},"class_list":["post-3520","page","type-page","status-publish","hentry","entry"],"aioseo_notices":[],"featured_image_src":null,"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/cwc.utah.gov\/central-wasatch-dashboard\/wp-json\/wp\/v2\/pages\/3520","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/cwc.utah.gov\/central-wasatch-dashboard\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/cwc.utah.gov\/central-wasatch-dashboard\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/cwc.utah.gov\/central-wasatch-dashboard\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/cwc.utah.gov\/central-wasatch-dashboard\/wp-json\/wp\/v2\/comments?post=3520"}],"version-history":[{"count":34,"href":"https:\/\/cwc.utah.gov\/central-wasatch-dashboard\/wp-json\/wp\/v2\/pages\/3520\/revisions"}],"predecessor-version":[{"id":3855,"href":"https:\/\/cwc.utah.gov\/central-wasatch-dashboard\/wp-json\/wp\/v2\/pages\/3520\/revisions\/3855"}],"up":[{"embeddable":true,"href":"https:\/\/cwc.utah.gov\/central-wasatch-dashboard\/wp-json\/wp\/v2\/pages\/396"}],"wp:attachment":[{"href":"https:\/\/cwc.utah.gov\/central-wasatch-dashboard\/wp-json\/wp\/v2\/media?parent=3520"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}