{"id":3787,"date":"2012-12-07T13:39:10","date_gmt":"2012-12-07T18:39:10","guid":{"rendered":"https:\/\/extension.umaine.edu\/home-and-garden-ipm\/?page_id=3787"},"modified":"2020-03-10T15:40:57","modified_gmt":"2020-03-10T19:40:57","slug":"european-corn-borer","status":"publish","type":"page","link":"https:\/\/extension.umaine.edu\/home-and-garden-ipm\/fact-sheets\/common-name-listing\/european-corn-borer\/","title":{"rendered":"European Corn Borer"},"content":{"rendered":"

\"European<\/a>The European Corn Borer<\/strong> (Ostrinia nubilalis) <\/em>is a serious pest of grain, especially corn.\u00a0 It is a pest which was introduced to the U.S. from its native European continent (was first reported in North America in 1917 in Massachusetts but is suspected to have most likely been introduced years earlier than that).<\/p>\n

\"A<\/a>
A European Corn Borer larva preparing to overwinter inside a portion of a corn stalk<\/figcaption><\/figure>\n

European corn borer caterpillars chew tunnels in both the ears of corn as well as the stalks.\u00a0 The tunneling damage inside the stalks causes the plants to fall over, and disrupts, obviously, the plant’s ability to transport water and nutrients up and down within the stalk, stunting it.\u00a0 The fully-grown larva is three-quarters to one inch in length, and generally\/usually flesh-colored, but varies from that to other shades such as light gray and light pink. Also, they have distinctive small and round brown spots on each segment.<\/p>\n

European corn borer can successfully overwinter in most of New England, with moths emerging in mid to late June.\u00a0 The moths–which are about one inch long–vary in color from yellowish brown to dark tan with two dark, irregular, wavy bands across the front wings. The male moth may be somewhat darker in color and slightly smaller than the female.<\/p>\n

\n

Additional Information: Managing Insect Pests of Sweet Corn <\/strong>— includes <\/em>European Corn Borer<\/strong><\/a><\/strong> \u2013 <\/strong>see also <\/em>Field Guide for European Corn Borer<\/b><\/a> <\/strong>(part of UMaine Extension’s Potato IPM Program)<\/p>\n

\n","protected":false},"excerpt":{"rendered":"

The European Corn Borer (Ostrinia nubilalis) is a serious pest of grain, especially corn.\u00a0 It is a pest which was introduced to the U.S. from its native European continent (was first reported in North America in 1917 in Massachusetts but is suspected to have most likely been introduced years earlier than that). European corn borer […]<\/p>\n","protected":false},"author":60,"featured_media":0,"parent":1561,"menu_order":32,"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-3787","page","type-page","status-publish","hentry"],"yoast_head":"\nEuropean Corn Borer - 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\" href=\"https:\/\/extension.umaine.edu\/home-and-garden-ipm\/fact-sheets\/common-name-listing\/european-corn-borer\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"European Corn Borer - Home and Garden IPM from Cooperative Extension - University of Maine Cooperative Extension\" \/>\n<meta property=\"og:description\" content=\"The European Corn Borer (Ostrinia nubilalis) is a serious pest of grain, especially corn.\u00a0 It is a pest which was introduced to the U.S. from its native European continent (was first reported in North America in 1917 in Massachusetts but is suspected to have most likely been introduced years earlier than that). 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