{"id":13047,"date":"2020-07-04T12:27:43","date_gmt":"2020-07-04T10:27:43","guid":{"rendered":"https:\/\/www.plantenplagen.nl\/plantenplagen\/horse-chestnut-scale\/"},"modified":"2024-01-15T16:09:33","modified_gmt":"2024-01-15T15:09:33","slug":"horse-chestnut-scale","status":"publish","type":"encyclopedia","link":"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/horse-chestnut-scale\/","title":{"rendered":"Horse chestnut scale"},"content":{"rendered":"<div class=\"wpb-content-wrapper\" id=\"wpb-content-root\"><p>[vc_row][vc_column width=&rdquo;2\/3&Prime;][vc_column_text el_id=&rdquo;topentry&rdquo; el_class=&rdquo;topentry&rdquo;]The horse chest<wbr><\/wbr>nut scale belongs to the soft scales. This <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/scale-insect\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Scale insects, the + 1.5 mm insects are found worldwide.[\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"5685\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][vc_single_image image=\"5373\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Scale insects (Coccomorpha). The + 1.5 mm insects are found worldwide. There are about seven thousand species of scale insects. Scale insects&hellip;' class=\"encyclopedia\">scale insect<\/a> has only one generation per year.<br>\n<!--more-->[\/vc_column_text][\/vc_column][vc_column width=&rdquo;1\/3&Prime;][vc_column_text el_id=&rdquo;entrytxt&rdquo; el_class=&rdquo;entrytxt&rdquo; css=&rdquo;.vc_custom_1593856692988{padding-left: 20px !important;}&rdquo;]<em>Related to:<\/em><br>\n<a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/hydrangea-scale\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Hydrangea scales belong to the scale insects. Young Hydrangea scales are inconspicuous, light brown and quite flat. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1701424864343{padding-left: 20px !important;}\"]Related to: Horse chestnut scale (Pulvinaria regalis)[\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"6107\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Hydrangea scale (Pulvinaria hydrangeae), belonging to the scale&hellip;' class=\"encyclopedia\">Hydrangea scale<\/a> <em>(Pulvinaria hydrangeae)<\/em>[\/vc_column_text][\/vc_column][\/vc_row][vc_row gap=&rdquo;35&Prime; css=&rdquo;.vc_custom_1532162142715{background-color: #e6e6e6 !important;}&rdquo;][vc_column width=&rdquo;1\/2&Prime;][vc_single_image image=&rdquo;6125&Prime; img_size=&rdquo;medium&rdquo; add_caption=&rdquo;yes&rdquo; style=&rdquo;vc_box_rounded&rdquo; onclick=&rdquo;img_link_large&rdquo;][\/vc_column][vc_column width=&rdquo;1\/2&Prime; css=&rdquo;.vc_custom_1532162092980{background-color: #e6e6e6 !important;}&rdquo;][vc_column_text el_class=&rdquo;entrytxt&rdquo;]The <strong>Horse chest<wbr><\/wbr>nut scale<\/strong> <em>(Pulvinaria regalis)<\/em>, belongs to the soft scales <em>(Coccidae)<\/em>. This scale insect has only one generation per year. The horse chest<wbr><\/wbr>nut scale originates from Japan and is also settled in Europe in the second half of the last century. Horse chest<wbr><\/wbr>nut scales lives off plant sap from mainly trees in urban areas. Horse chest<wbr><\/wbr>nut scales hibernate on the trunk and after wintering there in summer produce the egg sacs from which young larvae emerge during the season. These populate petioles, leaves or branches and move to the trunk once mature.[\/vc_column_text][\/vc_column][\/vc_row][vc_row equal_height=&rdquo;yes&rdquo;][vc_column width=&rdquo;1\/3&Prime;][vc_custom_heading text=&rdquo;Where to find&rdquo; font_container=&rdquo;tag:h4|text_align:center|color:%23ffffff&rdquo; google_fonts=&rdquo;font_family:Lato%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal&rdquo; css=&rdquo;.vc_custom_1537946500082{background-color: #536895 !important;}&rdquo;][vc_column_text el_id=&rdquo;entrytxt&rdquo; el_class=&rdquo;entrytxt&rdquo; css=&rdquo;.vc_custom_1593859394649{padding-left: 15px !important;}&rdquo;]<\/p>\n<ul>\n<li>Urban areas and mainly:\n<ul>\n<li><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/horse-chestnut\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Horse chestnut; tree that can grow over twenty-five feet tall with a broad crown.[\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\"]Do not confuse with: Sweet chestnut (Castanea sativa) Also known as: Buckeye[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=\"middle\" css=\".vc_custom_1627123481876{padding-top: 0px !important;padding-right: 5px !important;padding-bottom: 0px !important;padding-left: 5px !important;background-color: #ccffff !important;border-radius: 20px !important;}\" el_id=\"mobile\"][vc_column offset=\"vc_hidden-lg vc_hidden-md vc_hidden-sm\"][vc_column_text css=\".vc_custom_1627123409680{padding: 0px !important;border: 0px initial !important;}\"&hellip;' class=\"encyclopedia\">Horse Chestnut<\/a><\/li>\n<li><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/lime-tree\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Lime tree; there are small-leaved and large-leaved lime trees. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\"]Also known as: Linden (European species) Basswood (American species)[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=\"middle\" css=\".vc_custom_1627123481876{padding-top: 0px !important;padding-right: 5px !important;padding-bottom: 0px !important;padding-left: 5px !important;background-color: #ccffff !important;border-radius: 20px !important;}\" el_id=\"mobile\"][vc_column offset=\"vc_hidden-lg vc_hidden-md vc_hidden-sm\"][vc_column_text css=\".vc_custom_1627123409680{padding: 0px !important;border: 0px initial !important;}\" el_id=\"mobiel\"] You are viewing the mobile-adapted version&hellip;' class=\"encyclopedia\">Lime tree<\/a><\/li>\n<li><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/maple\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Maple, a genus of deciduous deciduous trees and shrubs. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row content_placement=\"middle\" css=\".vc_custom_1627123481876{padding-top: 0px !important;padding-right: 5px !important;padding-bottom: 0px !important;padding-left: 5px !important;background-color: #ccffff !important;border-radius: 20px !important;}\" el_id=\"mobile\"][vc_column offset=\"vc_hidden-lg vc_hidden-md vc_hidden-sm\"][vc_column_text css=\".vc_custom_1627123409680{padding: 0px !important;border: 0px initial !important;}\" el_id=\"mobiel\"] You are viewing the mobile-adapted version of the page. The one for tablets, laptop and desktop&hellip;' class=\"encyclopedia\">Maple<\/a><\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p>[\/vc_column_text][\/vc_column][vc_column width=&rdquo;1\/3&Prime; css=&rdquo;.vc_custom_1532102790165{background-color: #ffffff !important;}&rdquo;][vc_custom_heading text=&rdquo;Control&rdquo; font_container=&rdquo;tag:h4|text_align:center|color:%23ffffff&rdquo; google_fonts=&rdquo;font_family:Lato%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal&rdquo; css=&rdquo;.vc_custom_1532165404849{background-color: #536895 !important;}&rdquo;][vc_column_text el_id=&rdquo;entrytxt&rdquo; el_class=&rdquo;entrytxt&rdquo;]Damage caused by the horse chest<wbr><\/wbr>nut scale is limited; it is mainly cosmetic. If there are really a lot of them and a lot of <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/honeydew\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Honeydew - sugar-rich sticky liquid secreted by aphids. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"6657\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]Honeydew - sugar-rich sticky liquid secreted by aphids. Aphids suck plant sap from leaves; some of these sugars are consumed for energy and the rest is excreted. The&hellip;' class=\"encyclopedia\">honeydew<\/a> is produced, mold can develop on the sweet substance (<a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/sooty-mold\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]The many fungi that live on honeydew are all called sooty mold. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row gap=\"35\" css=\".vc_custom_1532162142715{background-color: #e6e6e6 !important;}\"][vc_column width=\"1\/2\"][vc_single_image image=\"1919\" img_size=\"medium\" add_caption=\"yes\" style=\"vc_box_rounded\" onclick=\"img_link_large\"][\/vc_column][vc_column width=\"1\/2\" css=\".vc_custom_1532162092980{background-color: #e6e6e6 !important;}\"][vc_column_text el_class=\"entrytxt\"]The many fungi that live on honeydew are all called sooty mold, such as Cladosporium and Alternaria that live on honeydew, the excess sugar&hellip;' class=\"encyclopedia\">sooty mold<\/a>), causing the leaf to be covered by a thin layer of black fungus.[\/vc_column_text][\/vc_column][vc_column width=&rdquo;1\/3&Prime; css=&rdquo;.vc_custom_1532102799994{background-color: #ffffff !important;}&rdquo;][vc_custom_heading text=&rdquo;Prevention&rdquo; font_container=&rdquo;tag:h4|text_align:center|color:%23ffffff&rdquo; google_fonts=&rdquo;font_family:Lato%3A100%2C100italic%2C300%2C300italic%2Cregular%2Citalic%2C700%2C700italic%2C900%2C900italic|font_style:400%20regular%3A400%3Anormal&rdquo; css=&rdquo;.vc_custom_1532165414573{background-color: #536895 !important;}&rdquo;][vc_column_text el_id=&rdquo;entrytxt&rdquo; el_class=&rdquo;entrytxt&rdquo;]Does not apply.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"author":14,"template":"","categories":[],"tags":[],"encyclopedia-category":[663],"encyclopedia-tag":[911],"class_list":["post-13047","encyclopedia","type-encyclopedia","status-publish","hentry","encyclopedia-category-garden-bugs","encyclopedia-tag-xwoolly-lint"],"_links":{"self":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia\/13047","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia"}],"about":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/types\/encyclopedia"}],"author":[{"embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/users\/14"}],"wp:attachment":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/media?parent=13047"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/categories?post=13047"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/tags?post=13047"},{"taxonomy":"encyclopedia-category","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia-category?post=13047"},{"taxonomy":"encyclopedia-tag","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia-tag?post=13047"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}