{"id":196,"date":"2018-06-06T17:34:08","date_gmt":"2018-06-07T00:34:08","guid":{"rendered":"http:\/\/blogs.oregonstate.edu\/cutworm\/?p=196"},"modified":"2022-06-30T15:11:56","modified_gmt":"2022-06-30T22:11:56","slug":"grass-pest-moths-detected","status":"publish","type":"post","link":"https:\/\/blogs.oregonstate.edu\/cutworm\/2018\/06\/06\/grass-pest-moths-detected\/","title":{"rendered":"Grass pest moths detected"},"content":{"rendered":"<figure id=\"attachment_198\" class=\"wp-caption thumbnail alignleft\" style=\"width: 206px;\">\n    <img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-198\" src=\"https:\/\/i0.wp.com\/blogs.oregonstate.edu\/cutworm\/files\/2018\/06\/Apamea_wm-206x300.jpg?resize=206%2C300\" alt=\"\" width=\"206\" height=\"300\" srcset=\"https:\/\/i0.wp.com\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/2721\/files\/2018\/06\/Apamea_wm.jpg?resize=206%2C300&amp;ssl=1 206w, https:\/\/i0.wp.com\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/2721\/files\/2018\/06\/Apamea_wm.jpg?w=414&amp;ssl=1 414w\" sizes=\"auto, (max-width: 206px) 100vw, 206px\" \/>\n    <figcaption class=\"wp-caption-text\"><em>Apamea<\/em> moths are flying now. Larvae are cutworm pests of grasses.<\/figcaption>\n    <\/figure>\n<p><em>Apamea<\/em> cutworms can be serious pests of grasses. There are a few different species that are common in this region. Two of them have fun common names.<\/p>\n<p style=\"padding-left: 120px\"><em><strong>A. cogitata<\/strong>, <\/em>the <span style=\"color: #808000\">thoughtful<\/span> Apamea<\/p>\n<p style=\"padding-left: 120px;text-align: center\">and its more unfortunate contrary:<\/p>\n<p style=\"padding-left: 120px\"><em><strong>A. dubitans<\/strong>, <\/em>the <span style=\"color: #003366\">doubtful<\/span> Apamea<\/p>\n<p>The current activity of this common group of moths is not of direct concern. Rather, it is the active, overwintering larvae that are considered pests because they feed on grass roots.\u00a0 <em>A. dubitans<\/em> and <em>A. cogitata<\/em> could be similar to the congeneric <em>A. devastator<\/em>, which only has 1 generation per year. I made a <a href=\"http:\/\/blogs.oregonstate.edu\/cutworm\/2018\/02\/08\/devastation-imminent\/\">post about them<\/a> in February.<\/p>\n<p><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"alignleft size-full wp-image-200\" src=\"https:\/\/i0.wp.com\/blogs.oregonstate.edu\/cutworm\/files\/2018\/06\/Landolt_apameaincanada2.jpeg.jpg?resize=770%2C309\" alt=\"\" width=\"770\" height=\"309\" srcset=\"https:\/\/i0.wp.com\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/2721\/files\/2018\/06\/Landolt_apameaincanada2.jpeg.jpg?w=860&amp;ssl=1 860w, https:\/\/i0.wp.com\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/2721\/files\/2018\/06\/Landolt_apameaincanada2.jpeg.jpg?resize=300%2C120&amp;ssl=1 300w, https:\/\/i0.wp.com\/osu-wams-blogs-uploads.s3.amazonaws.com\/blogs.dir\/2721\/files\/2018\/06\/Landolt_apameaincanada2.jpeg.jpg?resize=768%2C308&amp;ssl=1 768w\" sizes=\"auto, (max-width: 770px) 100vw, 770px\" \/><\/p>\n<p>In western Oregon, glassy cutworm (<em>Apamea devastator<\/em>) moths emerge in late June, peak in July, and larvae take 100-120 days to develop, depending on daylength<sup>1<\/sup>. The species we caught in traps this week (thoughtful and doubtful) are less well-studied. But I wager a guess that <span style=\"color: #993300\">we could begin to see larvae in fields by about mid-September<\/span>.<\/p>\n<p>Fun fact: &#8220;cogitare&#8221; translates from Latin as &#8220;to think&#8221;. One of Francis Bacon&#8217;s most famous works &#8220;Cogitata et visa&#8221; (&#8220;Thoughts and Conclusions&#8221;) was written in 1612. In it, he posed that philosophy and science have common interests.<\/p>\n<p><em>\u00a0<sup>1<\/sup> Kamm, 1990. Biological observations of glassy cutworm in western Oregon. Pan-Pac.Ent. vol. 66<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Apamea cutworms can be serious pests of grasses. There are a few different species that are common in this region. Two of them have fun common names. A. cogitata, the thoughtful Apamea and its more unfortunate contrary: A. dubitans, the doubtful Apamea The current activity of this common group of moths is not of direct&hellip; <a href=\"https:\/\/blogs.oregonstate.edu\/cutworm\/2018\/06\/06\/grass-pest-moths-detected\/\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":8003,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_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":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1],"tags":[1285971],"class_list":["post-196","post","type-post","status-publish","format-standard","hentry","category-uncategorized","tag-musings"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/paiW4b-3a","_links":{"self":[{"href":"https:\/\/blogs.oregonstate.edu\/cutworm\/wp-json\/wp\/v2\/posts\/196","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.oregonstate.edu\/cutworm\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.oregonstate.edu\/cutworm\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/cutworm\/wp-json\/wp\/v2\/users\/8003"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/cutworm\/wp-json\/wp\/v2\/comments?post=196"}],"version-history":[{"count":5,"href":"https:\/\/blogs.oregonstate.edu\/cutworm\/wp-json\/wp\/v2\/posts\/196\/revisions"}],"predecessor-version":[{"id":630,"href":"https:\/\/blogs.oregonstate.edu\/cutworm\/wp-json\/wp\/v2\/posts\/196\/revisions\/630"}],"wp:attachment":[{"href":"https:\/\/blogs.oregonstate.edu\/cutworm\/wp-json\/wp\/v2\/media?parent=196"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/cutworm\/wp-json\/wp\/v2\/categories?post=196"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.oregonstate.edu\/cutworm\/wp-json\/wp\/v2\/tags?post=196"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}