{"id":1153,"date":"2020-05-27T17:31:55","date_gmt":"2020-05-28T01:31:55","guid":{"rendered":"http:\/\/agsci-labs.oregonstate.edu\/vegnet\/?p=1153"},"modified":"2022-05-05T09:20:46","modified_gmt":"2022-05-05T17:20:46","slug":"leafrollers-leaftiers","status":"publish","type":"post","link":"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/2020\/05\/27\/leafrollers-leaftiers\/","title":{"rendered":"Leafrollers &amp; Leaftiers"},"content":{"rendered":"\n<p class=\"has-drop-cap\">Larvae of various Tortricid moths (Lepidoptera: Tortricidae) are <strong>well-known pests to fruit and nut growers<\/strong>, but less considered in vegetables. Here is a quick list of some economically important species in this group:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Light Brown Apple Moth (<em>Epiphyas postvittana<\/em>)<\/li><li>Fruittree Leafroller (<em>Archips argyrospila<\/em>)<\/li><li>Codling Moth (<em>Cydia pomonella<\/em>)<\/li><li>Filbertworm Moth (<em>Cydia latiferreana<\/em>)<\/li><li>Strawberry Fruit Worm aka <strong>Omnivorous Leaftier<\/strong> (<em>Cnephasia longana<\/em>)<\/li><\/ul>\n\n\n\n<p>These small, bland colored moths are nearly undetectable in the landscape, but their larvae can cause billions of dollars of economic damage. Leaves are rolled or tied to provide shelter for developing larvae. Crop damage from this group can occur &#8216;from root to fruit&#8217;. Read more and see photos below&#8230;<\/p>\n\n\n\n<!--more-->\n\n\n\n<p><\/p>\n\n\n\n<p><strong>Quick Facts about Omnivorous Leaftier<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><a href=\"#JGgardenpics\">Skip to 2020-21 garden observations<\/a><\/li><li>Outbreaks have occurred in Oregon, but are rare. They were, however, a notable <a rel=\"noreferrer noopener\" href=\"https:\/\/www.facebook.com\/permalink.php?story_fbid=4051400951567076&amp;id=604249799615559\" data-type=\"URL\" data-id=\"https:\/\/www.facebook.com\/permalink.php?story_fbid=4051400951567076&amp;id=604249799615559\" target=\"_blank\">concern in field crops in 2020<\/a>.<\/li><li>Small larvae mine within leaf tissue, then exit the mines and use silk to tie leaves together <\/li><li>Damage potential varies by crop but is common in: <ul><li>strawberries, mint, hops, hazelnuts, pears, forage crops, and grains.<\/li><\/ul><\/li><\/ul>\n\n\n\n<p class=\"has-text-align-center\"><strong><strong>Learn More<\/strong><\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\"><li><mark class=\"has-inline-color has-luminous-vivid-orange-color\"><strong>NEW<\/strong><\/mark> &#8211; Aug 2020 <a rel=\"noreferrer noopener\" href=\"https:\/\/catalog.extension.oregonstate.edu\/em9294\" target=\"_blank\">OSU Extension Publication<\/a> EM9294<\/li><li>There is a degree-day model available on <a href=\"https:\/\/uspest.org\/dd\/model_app?sta=AW100052&amp;spp=olt&amp;tab=table\">USPEST.org<\/a><\/li><li>PNW Insect Management Handbook &#8211; <a rel=\"noreferrer noopener\" href=\"https:\/\/pnwhandbooks.org\/insect\/hort\/landscape\/common\/landscape-leafroller-leaftier\" target=\"_blank\">Leafrollers as Landscape Pests<\/a><\/li><li>ID guide and general info <a rel=\"noreferrer noopener\" href=\"http:\/\/idtools.org\/id\/leps\/tortai\/index.html\" target=\"_blank\">http:\/\/idtools.org\/id\/leps\/tortai\/index.html<\/a><\/li><li>W. D. Edwards, Don C. Mote, Omnivorous Leaf Tier, <em>Cnephasia Longana<\/em> Haw.: A Relatively New Pest of Strawberries, Iris and Other Crops in Oregon, <em>Journal of Economic Entomology<\/em>, Volume 29, Issue 6, 1 December 1936, Pages 1118\u20131123, <a href=\"https:\/\/doi.org\/10.1093\/jee\/29.6.1118\">https:\/\/doi.org\/10.1093\/jee\/29.6.1118<\/a><\/li><li>&#8220;Microlepidoptera of Importance&#8221;, advanced taxonomic training video by Dr. Richard Brown, Mississippi State Univ. <a rel=\"noreferrer noopener\" href=\"https:\/\/youtu.be\/HkuIPZza5XU\" target=\"_blank\">https:\/\/youtu.be\/HkuIPZza5XU<\/a> <\/li><\/ul>\n\n\n\n<hr class=\"wp-block-separator is-style-wide\" id=\"JGgardenpics\" \/>\n\n\n\n<h4 class=\"has-text-align-center wp-block-heading\" id=\"JGgardenpics\">2021 Observations<\/h4>\n\n\n\n<p>I noticed leaftier once again in my garden\/home landscape this year. 3rd-4th instar larvae were tying up my blackberries, strawberries, and mint. Here&#8217;s a few photos of 2020\/21 activity &#8211; <strong>occurred during the same WEEK! (June 4-10th each year)<\/strong>. Also, since you&#8217;ve read this far, please <a rel=\"noreferrer noopener\" href=\"https:\/\/youtu.be\/kbdv-mjyeDo\" target=\"_blank\">enjoy this video<\/a> of me and my field assistant removing a <em>Cnephasia<\/em> from its cozy blanket of a home (within a strawberry leaf).<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"770\" height=\"482\" src=\"https:\/\/i0.wp.com\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/2847\/files\/2021\/06\/berrymontage_wm.png?resize=770%2C482&#038;ssl=1\" alt=\"\" class=\"wp-image-1401\" srcset=\"https:\/\/i0.wp.com\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/2847\/files\/2021\/06\/berrymontage_wm.png?resize=1024%2C641&amp;ssl=1 1024w, https:\/\/i0.wp.com\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/2847\/files\/2021\/06\/berrymontage_wm.png?resize=300%2C188&amp;ssl=1 300w, https:\/\/i0.wp.com\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/2847\/files\/2021\/06\/berrymontage_wm.png?resize=768%2C481&amp;ssl=1 768w, https:\/\/i0.wp.com\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/2847\/files\/2021\/06\/berrymontage_wm.png?resize=1536%2C962&amp;ssl=1 1536w, https:\/\/i0.wp.com\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/2847\/files\/2021\/06\/berrymontage_wm.png?w=1729&amp;ssl=1 1729w\" sizes=\"auto, (max-width: 770px) 100vw, 770px\" \/><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Larvae of various Tortricid moths (Lepidoptera: Tortricidae) are well-known pests to fruit and nut growers, but less considered in vegetables. Here is a quick list of some economically important species in this group: Light Brown Apple Moth (Epiphyas postvittana) Fruittree Leafroller (Archips argyrospila) Codling Moth (Cydia pomonella) Filbertworm Moth (Cydia latiferreana) Strawberry Fruit Worm aka&hellip; <a href=\"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/2020\/05\/27\/leafrollers-leaftiers\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":8003,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[1254493,1254491,1254147],"tags":[],"class_list":["post-1153","post","type-post","status-publish","format-standard","hentry","category-garden-and-landscape","category-monitoring","category-pest-id"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p8vBJ4-iB","_links":{"self":[{"href":"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/wp-json\/wp\/v2\/posts\/1153","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/wp-json\/wp\/v2\/users\/8003"}],"replies":[{"embeddable":true,"href":"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/wp-json\/wp\/v2\/comments?post=1153"}],"version-history":[{"count":19,"href":"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/wp-json\/wp\/v2\/posts\/1153\/revisions"}],"predecessor-version":[{"id":1573,"href":"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/wp-json\/wp\/v2\/posts\/1153\/revisions\/1573"}],"wp:attachment":[{"href":"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/wp-json\/wp\/v2\/media?parent=1153"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/wp-json\/wp\/v2\/categories?post=1153"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agsci-labs.oregonstate.edu\/vegnet\/wp-json\/wp\/v2\/tags?post=1153"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}