{"id":314,"date":"2023-05-11T13:44:26","date_gmt":"2023-05-11T17:44:26","guid":{"rendered":"https:\/\/web.uri.edu\/biocontrol-draft\/?page_id=314"},"modified":"2025-11-12T08:32:01","modified_gmt":"2025-11-12T13:32:01","slug":"release-of-hypena-opulenta","status":"publish","type":"page","link":"https:\/\/web.uri.edu\/biocontrol\/projects\/release-of-hypena-opulenta\/","title":{"rendered":"Release of Hypena opulenta"},"content":{"rendered":"<section class=\"cl-wrapper cl-menu-wrapper\"><nav id=\"\" class=\"cl-menu  \" data-name=\"Swallow-Worts\" data-show-title=\"0\"><ul id=\"menu-swallow-worts\" class=\"cl-menu-list cl-menu-list-no-js\"><li id=\"menu-item-495\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-495\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/projects\/swallow-worts\/\">Swallow-Worts<\/a><\/li>\n<li id=\"menu-item-493\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-493\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/projects\/swallow-wort-posters\/\">Swallow-Wort Posters<\/a><\/li>\n<li id=\"menu-item-494\" class=\"menu-item menu-item-type-post_type menu-item-object-page menu-item-494\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/projects\/release-of-hypena-opulenta\/\">Release of Hypena opulenta<\/a><\/li>\n<\/ul><\/nav><\/section>\n\n\n<p class=\"fullwidth\">The University of Rhode Island Biocontrol Lab is working under a USDA-regulated permit to rear and release&nbsp;<em>H. opulenta&nbsp;<\/em>across southern New England. Releases occur in the spring and early summer. Release sites are spread throughout Rhode Island, Connecticut, Massachusetts, and Maine.&nbsp; Other researchers are also carrying out&nbsp;<em>H. opulenta<\/em>&nbsp;releases in Canada, New York, New Jersey and Michigan.&nbsp;&nbsp;<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image042.jpg\" rel=\"lightbox[314]\"><img loading=\"lazy\" decoding=\"async\" width=\"850\" height=\"637\" data-id=\"321\" src=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image042.jpg\" alt=\"\" class=\"wp-image-321\" srcset=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image042.jpg 850w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image042-300x225.jpg 300w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image042-768x576.jpg 768w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image042-364x273.jpg 364w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image042-500x375.jpg 500w\" sizes=\"auto, (max-width: 850px) 100vw, 850px\" \/><\/a><figcaption class=\"wp-element-caption\">Fig. 1. Adults on the side of a release cage during a release at Watson Farm in Jamestown Rhode Island, June 16th, 2019.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image054.jpg\" rel=\"lightbox[314]\"><img loading=\"lazy\" decoding=\"async\" width=\"802\" height=\"450\" data-id=\"318\" src=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image054.jpg\" alt=\"\" class=\"wp-image-318\" srcset=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image054.jpg 802w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image054-300x168.jpg 300w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image054-768x431.jpg 768w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image054-364x204.jpg 364w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image054-500x281.jpg 500w\" sizes=\"auto, (max-width: 802px) 100vw, 802px\" \/><\/a><figcaption class=\"wp-element-caption\">Fig. 2. Swallow-wort defoliation.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image056.jpg\" rel=\"lightbox[314]\"><img loading=\"lazy\" decoding=\"async\" width=\"823\" height=\"458\" data-id=\"319\" src=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image056.jpg\" alt=\"\" class=\"wp-image-319\" srcset=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image056.jpg 823w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image056-300x167.jpg 300w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image056-768x427.jpg 768w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image056-364x203.jpg 364w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image056-500x278.jpg 500w\" sizes=\"auto, (max-width: 823px) 100vw, 823px\" \/><\/a><figcaption class=\"wp-element-caption\">Fig. 3. Third instar&nbsp;<em>H. opulenta<\/em>&nbsp;larvae feeding on swallow-wort.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image050.jpg\" rel=\"lightbox[314]\"><img loading=\"lazy\" decoding=\"async\" width=\"733\" height=\"411\" data-id=\"317\" src=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image050.jpg\" alt=\"\" class=\"wp-image-317\" srcset=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image050.jpg 733w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image050-300x168.jpg 300w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image050-364x204.jpg 364w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image050-500x280.jpg 500w\" sizes=\"auto, (max-width: 733px) 100vw, 733px\" \/><\/a><figcaption class=\"wp-element-caption\">Fig. 4.&nbsp;<em>Hypena opulenta<\/em>&nbsp;adult release cage<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image048.jpg\" rel=\"lightbox[314]\"><img loading=\"lazy\" decoding=\"async\" width=\"757\" height=\"425\" data-id=\"320\" src=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image048.jpg\" alt=\"\" class=\"wp-image-320\" srcset=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image048.jpg 757w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image048-300x168.jpg 300w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image048-364x204.jpg 364w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image048-500x281.jpg 500w\" sizes=\"auto, (max-width: 757px) 100vw, 757px\" \/><\/a><figcaption class=\"wp-element-caption\">Fig. 5. Patch of swallow-wort at South Farm Preserve in Charlestown, Rhode Island, August 15th, 2019.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image037.jpg\" rel=\"lightbox[314]\"><img loading=\"lazy\" decoding=\"async\" width=\"589\" height=\"441\" data-id=\"316\" src=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image037.jpg\" alt=\"\" class=\"wp-image-316\" srcset=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image037.jpg 589w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image037-300x225.jpg 300w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image037-364x273.jpg 364w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image037-500x374.jpg 500w\" sizes=\"auto, (max-width: 589px) 100vw, 589px\" \/><\/a><figcaption class=\"wp-element-caption\">Fig. 6. Adult release cage in Redding, CT, July 11th, 2019.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/Naushon-15-scaled-1-1-1024x575.jpg\" rel=\"lightbox[314]\"><img decoding=\"async\" data-id=\"324\" src=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/Naushon-15-scaled-1-1-1024x575.jpg\" alt=\"\" class=\"wp-image-324\" \/><\/a><figcaption class=\"wp-element-caption\">Fig. 7. Patches of swallow-wort in an adult release cage.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image029.jpg\" rel=\"lightbox[314]\"><img loading=\"lazy\" decoding=\"async\" width=\"568\" height=\"426\" data-id=\"323\" src=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image029.jpg\" alt=\"\" class=\"wp-image-323\" srcset=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image029.jpg 568w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image029-300x225.jpg 300w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image029-364x273.jpg 364w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image029-500x375.jpg 500w\" sizes=\"auto, (max-width: 568px) 100vw, 568px\" \/><\/a><figcaption class=\"wp-element-caption\">Fig. 8. Setting up adult release cages on a patch of swallow-wort in Redding, CT, July 11th, 2019.<\/figcaption><\/figure>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image031.jpg\" rel=\"lightbox[314]\"><img loading=\"lazy\" decoding=\"async\" width=\"676\" height=\"507\" data-id=\"322\" src=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image031.jpg\" alt=\"\" class=\"wp-image-322\" srcset=\"https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image031.jpg 676w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image031-300x225.jpg 300w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image031-364x273.jpg 364w, https:\/\/web.uri.edu\/biocontrol\/wp-content\/uploads\/sites\/2154\/image031-500x375.jpg 500w\" sizes=\"auto, (max-width: 676px) 100vw, 676px\" \/><\/a><figcaption class=\"wp-element-caption\">Fig. 9. Setting up adult release cage on patch of swallow-wort<\/figcaption><\/figure>\n<\/figure>\n\n\n\n<h2 class=\"wp-block-heading\"><\/h2>\n\n\n\n<h2 class=\"wp-block-heading\">SWALLOW-WORT BIOCONTROL ACROSS NORTH AMERICA<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><a href=\"https:\/\/www.canr.msu.edu\/news\/biological-control-of-invasive-swallow-wort-vines-in-michigan#:~:text=The%20biological%20control%20agent%20Hypena,Department%20of%20Agriculture%20(USDA).\" target=\"_blank\" rel=\"noreferrer noopener\">Biological Control of Invasive Swallow-wort Vines in Michigan \u2013 Michigan State University<\/a><\/li>\n\n\n\n<li><a href=\"http:\/\/www.nyisri.org\/research\/swallow-wort-biocontrol\/\" target=\"_blank\" rel=\"noreferrer noopener\">Swallow-wort Biocontrol Research &amp; Outreach \u2013 Cornell University&nbsp;<\/a><\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>The University of Rhode Island Biocontrol Lab is working under a USDA-regulated permit to rear and release&nbsp;H. opulenta&nbsp;across southern New England. Releases occur in the spring and early summer. Release sites are spread throughout Rhode Island, Connecticut, Massachusetts, and Maine.&nbsp; Other researchers are also carrying out&nbsp;H. opulenta&nbsp;releases in Canada, New York, New Jersey and Michigan.&nbsp;&nbsp; [&hellip;]<\/p>\n","protected":false},"author":4711,"featured_media":0,"parent":17,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"_acf_changed":false,"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-314","page","type-page","status-publish","hentry"],"acf":[],"_links":{"self":[{"href":"https:\/\/web.uri.edu\/biocontrol\/wp-json\/wp\/v2\/pages\/314","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/web.uri.edu\/biocontrol\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/web.uri.edu\/biocontrol\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/web.uri.edu\/biocontrol\/wp-json\/wp\/v2\/users\/4711"}],"replies":[{"embeddable":true,"href":"https:\/\/web.uri.edu\/biocontrol\/wp-json\/wp\/v2\/comments?post=314"}],"version-history":[{"count":5,"href":"https:\/\/web.uri.edu\/biocontrol\/wp-json\/wp\/v2\/pages\/314\/revisions"}],"predecessor-version":[{"id":1371,"href":"https:\/\/web.uri.edu\/biocontrol\/wp-json\/wp\/v2\/pages\/314\/revisions\/1371"}],"up":[{"embeddable":true,"href":"https:\/\/web.uri.edu\/biocontrol\/wp-json\/wp\/v2\/pages\/17"}],"wp:attachment":[{"href":"https:\/\/web.uri.edu\/biocontrol\/wp-json\/wp\/v2\/media?parent=314"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}