{"id":10753,"date":"2018-10-24T11:41:29","date_gmt":"2018-10-24T09:41:29","guid":{"rendered":"https:\/\/www.plantenplagen.nl\/plantenplagen\/woolly-apple-aphid\/"},"modified":"2024-01-14T10:59:35","modified_gmt":"2024-01-14T09:59:35","slug":"woolly-apple-aphid","status":"publish","type":"encyclopedia","link":"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/woolly-apple-aphid\/","title":{"rendered":"Woolly apple aphid"},"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;]Woolly apple <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/aphid_aphidoidea\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Aphids are small, herbivorous insects. There are green, white, black, yellow, red and purple aphids. A special category are the Scale insects. [\/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=\"5987\" 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\"]Aphids (Aphidoidea). Small, herbivorous insects up to a maximum of 5 mm. Mainly damage&hellip;' class=\"encyclopedia\">aphid<\/a> is an approximately 2 mm large aphid that lives on plant sap that is sucked from young twigs and pruning wounds.<br>\n<!--more-->[\/vc_column_text][\/vc_column][vc_column width=&rdquo;1\/3&Prime;][\/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;5673&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;]<strong>Woolly apple aphid<\/strong> <em>(Eriosoma lanigerum)<\/em> is native to North America. The approximately 2 mm large aphid derives its name from the red spots that appear when the aphid is crushed. The red-brown woolly apple aphid belongs to the <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/aphids\/\" target=\"_blank\" title=\"[vc_row][vc_column][vc_column_text]Aphids are small, plant-eating insects; see: overview aphids, aphid, black bean aphid, black cherry aphid, catalpa aphid, cabbage aphid, currant blister aphid, green peach aphid, green apple aphid, holly aphid, Hydrangea scale, Scale insect, mealybug, lettuce-root aphid, woolly beech aphid, cypress aphid.[\/vc_column_text][\/vc_column][\/vc_row]\" class=\"encyclopedia\">aphids<\/a> and lives on plant sap that is sucked from young twigs and pruning wounds. Leaves leave this aphid undisturbed. The aphids leave white sticky fluff on the branches.<br>\nGalls and woody outgrowths develop on the spots punctured by the aphids. Larvae of the woolly apple aphid overwinter both above ground and underground on the roots where they can cause damage: stunted growth occurs and the tree dies if it is heavily infested.<br>\nWoolly apple aphids can spread fungi such as <em><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/neonectria\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Neonectria is caused by the same fungus responsible for Nectria canker. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text]The fungus Neonectria ditissima causes: Apple canker - also known as: Nectria canker End rot and rotten spots: Neonectria[\/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=\"3187\" 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\"]Neonectria (Neonectria ditissima) is caused by the&hellip;' class=\"encyclopedia\">Neonectria<\/a> ditissima<\/em>. &nbsp;This fungus arises on the wounds caused by the breakdown of the galls and is the cause of apple canker and neonectria.<br>\nLadybugs, earwigs, lacewings and the larvae of parasitoid wasps are the natural enemies of the Woolly apple aphid.[\/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;Affected plants&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_1540372366260{padding-left: 15px !important;}&rdquo;]<\/p>\n<ul>\n<li><strong>Appelboom<\/strong><\/li>\n<li>Kweepeer<\/li>\n<li>Perenboom<\/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;Remedy&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;]Control is usually not necessary: the natural enemies keep any population limited.<br>\nControl an infestation of Woolly apple aphids with <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/pyrethrum\/\" target=\"_blank\" title=\"[vc_row][vc_column width=&quot;2\/3&quot;][vc_column_text el_class=&quot;topentry&quot;]Pyrethrum fights aphids, thrips and whiteflies, among others.[\/vc_column_text][\/vc_column][vc_column width=&quot;1\/3&quot;][vc_column_text css=&quot;.vc_custom_1538658322113{padding-left: 18px !important;}&quot; el_id=&quot;entrytxt&quot; el_class=&quot;entrytxt&quot;] Biological Pesticide [\/vc_column_text][vc_column_text css=&quot;.vc_custom_1671986969131{padding-left: 18px !important;}&quot; el_class=&quot;entrytxt&quot;]Also known as: Pyrethrin[\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=&quot;2\/3&quot;][vc_column_text el_class=&quot;introtxt&quot; el_id=&quot;introtxt&quot;]Pyrethrum - exists in two variants: 'regular' pyrethrum and nature pyrethrum. The former is chemical in origin, the latter has a natural base. The chemical variant degrades&hellip;\" class=\"encyclopedia\">pyrethrum<\/a>, <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/soapy-water-spray\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_class=\"topentry\"]Soapy water spray is an environmentally friendly pesticide of aphids, among others.[\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_id=\"entrytxt\" el_class=\"entrytxt\" css=\".vc_custom_1538658322113{padding-left: 18px !important;}\"] Biopesticide [\/vc_column_text][\/vc_column][\/vc_row][vc_row][vc_column width=\"2\/3\"][vc_column_text el_class=\"introtxt\" el_id=\"introtxt\"]Soapy water spray - environmentally friendly pesticide of aphids, among others. Mix 20 ml of soft soap with 1 liter of water and mist the plants to be treated with it.&hellip;' class=\"encyclopedia\">soapy water spray<\/a>, <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/rhubarb-spray\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_class=\"topentry\"]Rhubarb spray is a fermented brew of rhubarb leaf. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row][vc_column width=\"2\/3\"][vc_column_text el_class=\"introtxt\" el_id=\"introtxt\"]Rhubarb spray - fermented brew of rhubarb leaf. Pour 10 liters of water on 1 kilogram of rhubarb leaves (not the stems) and let it sit for 15 to 20 days. Stir every day. Add 500 grams of sugar (per&hellip;' class=\"encyclopedia\">rhubarb spray<\/a> or <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/nettle-spray\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_class=\"topentry\"]Nettle spray is a fermented brew of nettle leaves and stems. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][\/vc_column][\/vc_row][vc_row][vc_column width=\"2\/3\"][vc_column_text el_class=\"introtxt\" el_id=\"introtxt\"]Nettle spray - a fermented brew of nettle leaves and stems. Collect 1 or 2 kilograms of young nettles and put them in a large bucket or barrel. For each kilogram of nettles, add 10 liters of water&hellip;' class=\"encyclopedia\">nettle spray<\/a>.[\/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;]Earwigs, parasitoid wasps and gall midges are the natural enemies of the apple aphid, the louse that spreads fungus. So do not destroy these insects.[\/vc_column_text][\/vc_column][\/vc_row]<\/p>\n<\/div>","protected":false},"author":14,"template":"","categories":[],"tags":[],"encyclopedia-category":[663],"encyclopedia-tag":[],"class_list":["post-10753","encyclopedia","type-encyclopedia","status-publish","hentry","encyclopedia-category-garden-bugs"],"_links":{"self":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia\/10753","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=10753"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/categories?post=10753"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/tags?post=10753"},{"taxonomy":"encyclopedia-category","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia-category?post=10753"},{"taxonomy":"encyclopedia-tag","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia-tag?post=10753"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}