{"id":14755,"date":"2018-10-22T15:22:16","date_gmt":"2018-10-22T13:22:16","guid":{"rendered":"https:\/\/www.plantenplagen.nl\/plantenplagen\/onion-fly\/"},"modified":"2023-12-20T14:26:08","modified_gmt":"2023-12-20T13:26:08","slug":"onion-fly","status":"publish","type":"encyclopedia","link":"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/onion-fly\/","title":{"rendered":"Onion fly"},"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 on<wbr><\/wbr>ion fly is a 6 mm fly that resembles a common housefly.<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;2547&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>On<wbr><\/wbr>ion fly<\/strong> <em>(Delia antiqua)<\/em> is a 6 mm large fly that resembles a common housefly. The 7 mm long white-yellow larvae bore into the base of the plant after hatching. The fly hibernates as a pupa in the soil. On lighter soils, the fly deposits more eggs than on heavy clay.[\/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_1703073149765{padding-left: 15px !important;}&rdquo;]<\/p>\n<ul>\n<li>Amaryllis family:\n<ul>\n<li><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/chives\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Chives belong to the onion family. Chives are related to onion, leeks and garlic. [\/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_1637502932915{padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}\" el_id=\"mobiel\"] You are viewing the mobile-adapted version of the&hellip;' class=\"encyclopedia\">Chives<\/a><\/li>\n<li><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/spring-onion\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Spring onion belongs to the garlic family and is also called scallions or Welsh onion. [\/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_1637503457321{padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}\" el_id=\"mobiel\"] You are viewing the mobile-adapted version of&hellip;' class=\"encyclopedia\">Spring onion<\/a><\/li>\n<li><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/leeks\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Leeks belong to the onion family. There are varieties for summer and winter cultivation. Leeks grown in the summer are thicker and not hardy. Leeks grown in the winter are hardy. [\/vc_column_text][\/vc_column][vc_column width=\"1\/3\"][vc_column_text el_class=\"entrytxt\"]Also known as: scallion[\/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&hellip;' class=\"encyclopedia\">Leeks<\/a><\/li>\n<li><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/shallot\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Shallots belong to the onion family (Allium); they generally propagate vegetatively, but sowing is also possible.[\/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_1649260722054{padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}\" el_id=\"mobiel\"] You are viewing the mobile-adapted version of&hellip;' class=\"encyclopedia\">Shallot<\/a><\/li>\n<li><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/japanese-bunching-onion\/\" target=\"_blank\" title=\"[vc_row][vc_column width=&quot;2\/3&quot;][vc_column_text el_id=&quot;topentry&quot; el_class=&quot;topentry&quot;]Japanese bunching onion should not be confused with spring onion or chives. Japanese bunching onion belongs to the onion family (Allium).[\/vc_column_text][\/vc_column][vc_column width=&quot;1\/3&quot;][vc_column_text el_id=&quot;entrytxt&quot; el_class=&quot;entrytxt&quot;]Also known as: Welsh onion (Allium fistulosum). Same name different variety; Allium fistulosum lacks 'giganteum'.[\/vc_column_text][\/vc_column][\/vc_row][vc_row content_placement=&quot;middle&quot; css=&quot;.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;}&quot;&hellip;\" class=\"encyclopedia\">Japanese bunching onion<\/a><\/li>\n<li><a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/onion\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_id=\"topentry\" el_class=\"topentry\"]Onions are bulbous plants and are related to leeks, chives and garlic. [\/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_1649262402807{padding-top: 0px !important;padding-right: 0px !important;padding-bottom: 0px !important;padding-left: 0px !important;}\" el_id=\"mobiel\"] You are viewing the mobile-adapted version of the page. The&hellip;' class=\"encyclopedia\">Onion<\/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;]Spraying 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> 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> kills the larvae.[\/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;]Crop rotation keeps the on<wbr><\/wbr>ion fly away. An <a href=\"https:\/\/www.plantenplagen.nl\/en\/plantenplagen\/insect-proof-mesh\/\" target=\"_blank\" title='[vc_row][vc_column width=\"2\/3\"][vc_column_text el_class=\"topentry\"]Insect-proof mesh is commercially available in varying mesh sizes.[\/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\"] Insect-proof mesh is commercially available in pre-cut formats, various widths and can be ordered in any length. It is usually made of UV-stabilized polyethylene, which makes it last for years. The mesh sizes are sometimes specially tailored for one type&hellip;' class=\"encyclopedia\">insect-proof mesh<\/a> prevents the butterfly from laying eggs on the crop. Do not use fresh manure as it attracts flies.[\/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-14755","encyclopedia","type-encyclopedia","status-publish","hentry","encyclopedia-category-garden-bugs"],"_links":{"self":[{"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia\/14755","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=14755"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/categories?post=14755"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/tags?post=14755"},{"taxonomy":"encyclopedia-category","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia-category?post=14755"},{"taxonomy":"encyclopedia-tag","embeddable":true,"href":"https:\/\/www.plantenplagen.nl\/en\/wp-json\/wp\/v2\/encyclopedia-tag?post=14755"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}