{"id":5574,"date":"2018-07-03T15:13:33","date_gmt":"2018-07-03T22:13:33","guid":{"rendered":"http:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=5574"},"modified":"2018-08-24T13:30:10","modified_gmt":"2018-08-24T20:30:10","slug":"new-guinea-sugarcane-weevil-rhabdoscelus-obscurus-boisduval","status":"publish","type":"post","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=5574","title":{"rendered":"New Guinea Sugarcane Weevil | Rhabdoscelus obscurus (Boisduval)"},"content":{"rendered":"<h5 style=\"text-align: center;\"><strong>California Pest Rating\u00a0 for\u00a0<\/strong><\/h5>\n<h5 style=\"text-align: center;\"><strong>(New Guinea Sugarcane Weevil) |\u00a0<\/strong><strong><em>Rhabdoscelus obscurus <\/em><\/strong><strong>(Boisduval)<\/strong><strong>\u00a0<\/strong><\/h5>\n<h5 style=\"text-align: center;\"><strong>Coleoptera: Curculionidae<\/strong><\/h5>\n<h5 style=\"text-align: center;\"><strong>Pest Rating: A<\/strong><\/h5>\n<hr \/>\n<h3 style=\"text-align: center;\">PEST RATING PROFILE<\/h3>\n<h5><strong>Initiating Event: <\/strong><\/h5>\n<p>This weevil was recently intercepted on cut ginger flowers from Hawaii (190P06619908).\u00a0 The species is currently Q-rated, and a permanent pest rating proposal is required to support an official pest rating.<\/p>\n<h5><strong>History &amp; Status: <\/strong><\/h5>\n<p><strong><u>Background:<\/u><\/strong> Adult <em>Rhabdoscelus obscurus<\/em> are 12-14 mm in length and reddish-brown with a longitudinal black stripe on the pronotum.\u00a0 The larvae are white, legless grubs with a dark head capsule and are approximately 15 mm in length (Molet, 2013).\u00a0 This weevil is a pest of sugarcane and palms.\u00a0 The larvae tunnel and feed inside stalks, which leads to stalk breakage.\u00a0 Prior to pupating, they build a fibrous cocoon.\u00a0 This species appears to currently be restricted to tropical and subtropical areas.<\/p>\n<p><strong><u>Worldwide Distribution<\/u><\/strong><strong><u>:<\/u><\/strong> <em>Rhabdoscelus obscurus<\/em> is native to New Guinea and has been introduced to much of the tropical western Pacific, including Indonesia, Japan, Malaysia, Taiwan, and numerous Pacific islands (Beardsley et al., 1995; Molet, 2013; Zimmerman, 1968).\u00a0 It has also been introduced to Australia (Reddy et al., 2012). \u00a0In the United States, it has been present in Hawaii since the mid-1800s (Waggy and Beardsley, 1974).\u00a0 The species is not known to occur in the continental United States.<\/p>\n<p><strong><u>Official Control:<\/u><\/strong> <em>Rhabdoscelus obscurus<\/em> is listed as a quarantine pest by the EPPO, and is considered reportable by USDA-APHIS-PPQ (EPPO, 2017).\u00a0 The species has been controlled in Hawaii through the introduction of a tachinid fly parasitoid (Waggy and Beardsley, 1974; Beardsley et al., 1995).<\/p>\n<p><strong><u>California Distribution:<\/u><\/strong> <em>Rhabdoscelus obscurus<\/em> is not known to be present in California.<\/p>\n<p><strong><u>California Interceptions:<\/u><\/strong> <em>Rhabdoscelus obscurus<\/em> has been intercepted in California twice, once on cut ginger flowers from Hawaii in 2017 and once on a shipment of pineapple from Hawaii in 2004 (CDFA Pest and Damage Report Database, 2017).<\/p>\n<p>The risk <em>Rhabdoscelus obscurus<\/em> would pose to California is evaluated below.<\/p>\n<h5><strong>Consequences of Introduction:<\/strong><\/h5>\n<p><strong>1)\u00a0 Climate\/Host Interaction:<\/strong> <em>Rhabdoscelus obscurus<\/em> is currently restricted to tropical and subtropical areas.\u00a0 It could become established in a limited portion of southern California.\u00a0 Therefore, it receives a <strong><span style=\"color: #008000;\">Low (1)<\/span><\/strong> in this category.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>\u2013 Low (1) <\/strong>Not likely to establish in California; or likely to establish in very limited areas.<\/span><\/p>\n<p style=\"padding-left: 30px;\">\u2013 Medium (2) may be able to establish in a larger but limited part of California.<\/p>\n<p style=\"padding-left: 30px;\">\u2013 High (3) likely to establish a widespread distribution in California.<\/p>\n<p><strong>2)\u00a0 Known Pest Host Range:<\/strong> <em>Rhabdoscelus obscurus<\/em> is a major pest of sugarcane and also feeds on other monocots, including numerous palms as well as bananas, some grasses, and corn (Beardsley et al., 1995; EPPO, 2017; Molet, 2013).\u00a0 Therefore, it receives a <strong><span style=\"color: #008000;\">High (3)<\/span><\/strong> in this category.<\/p>\n<p style=\"padding-left: 30px;\">\u2013 Low (1) has a very limited host range.<\/p>\n<p style=\"padding-left: 30px;\">\u2013 Medium (2) has a moderate host range.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>\u2013 High (3) <\/strong>has a wide host range.<\/span><\/p>\n<p><strong>3)\u00a0 Pest Dispersal Potential:<\/strong> <em>Rhabdoscelus obscurus<\/em> flies and it is capable of being introduced to new locations; much of its present distribution is due to such introductions.\u00a0 The species has been intercepted 19 times (as of 2012) at United States ports of entry on infested plant material, so can be artificially dispersed that way (Molet, 2013).\u00a0 Therefore, it receives a <strong><span style=\"color: #008000;\">Medium (2)<\/span><\/strong> in this category.<\/p>\n<p style=\"padding-left: 30px;\">\u2013 Low (1) does not have high reproductive or dispersal potential.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>\u2013 Medium (2) <\/strong>has either high reproductive or dispersal potential.<\/span><\/p>\n<p style=\"padding-left: 30px;\">\u2013 High (3) has both high reproduction and dispersal potential.<\/p>\n<p><strong>4)\u00a0 Economic Impact:<\/strong> <em>Rhabdoscelus obscurus<\/em> is a significant pest of sugarcane and palms.\u00a0 The species causes significant mortality of palms in the Pacific, and it is a palm nursery pest in Australia (Reddy et al., 2012).\u00a0 If established in California, it could impact palm nurseries, lowering yield.\u00a0 Ornamental palms are a $70 million industry in California (Hoddle).\u00a0 The other California industry that could be impacted by this pest is sugarcane.\u00a0 Sugarcane is either currently being grown in, or is planned to be grown in the Imperial Valley, where a sugarcane-based sugar and biofuels initiative is underway.\u00a0 If <em>R. obscurus<\/em> was able to become established in the Imperial Valley, which may not be likely, it could lower yield of sugarcane there.\u00a0 An extensive sugarcane industry exists in the southeastern United States, and the climate in that region would likely be more favorable for the establishment of this pest.\u00a0 The possibility of the spread of <em>R. obscurus<\/em> to the southeastern United States and other countries could lead to a loss of markets for ornamental palms from California.\u00a0 <em>Rhabdoscelus obscurus<\/em> receives a <strong><span style=\"color: #008000;\">Medium (2)<\/span> <\/strong>in this category.<\/p>\n<p><strong>Economic Impact:\u00a0 <span style=\"color: #008000;\">A, C<\/span><\/strong><\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>A.<\/strong> The pest could lower crop yield.<\/span><\/p>\n<p style=\"padding-left: 30px;\">B. The pest could lower crop value (includes increasing crop production costs).<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>C. <\/strong>The pest could trigger the loss of markets (includes quarantines).<\/span><\/p>\n<p style=\"padding-left: 30px;\">D. The pest could negatively change normal cultural practices.<\/p>\n<p style=\"padding-left: 30px;\">E. The pest can vector, or is vectored, by another pestiferous organism.<\/p>\n<p style=\"padding-left: 30px;\">F. The organism is injurious or poisonous to agriculturally important animals.<\/p>\n<p style=\"padding-left: 30px;\">G. The organism can interfere with the delivery or supply of water for agricultural uses.<\/p>\n<p><strong>Economic Impact Score:\u00a0 <span style=\"color: #008000;\">2<\/span><\/strong><\/p>\n<p style=\"padding-left: 30px;\">\u2013 Low (1) causes 0 or 1 of these impacts.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>\u2013 Medium (2) <\/strong>causes 2 of these impacts.<\/span><\/p>\n<p style=\"padding-left: 30px;\">\u2013 High (3) causes 3 or more of these impacts.<\/p>\n<p><strong>5)\u00a0 Environmental Impact:<\/strong> If <em>R. obscurus<\/em> became established in California, it could impact ornamental plantings of palms, which are an important part of the California landscape.\u00a0 The species could also potentially spread to groves of the only species of palm native to California, <em>Washingtonia filifera<\/em>, although this is somewhat unlikely, considering that this weevil is restricted to wet tropical and sub-tropical climates and these palms occur in the desert. \u00a0Therefore,<em> Rhabdoscelus obscurus<\/em> receives a <strong><span style=\"color: #008000;\">High (3)<\/span> <\/strong>in this category.<\/p>\n<p>Evaluate the environmental impact of the pest on California using the criteria below.<\/p>\n<p><strong>Environmental Impact:\u00a0 <span style=\"color: #008000;\">A, E<\/span><\/strong><\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>A. <\/strong>The pest could have a significant environmental impact such as lowering biodiversity, disrupting natural communities, or changing ecosystem processes.<\/span><\/p>\n<p style=\"padding-left: 30px;\">B. The pest could directly affect threatened or endangered species.<\/p>\n<p style=\"padding-left: 30px;\">C. The pest could impact threatened or endangered species by disrupting critical habitats.<\/p>\n<p style=\"padding-left: 30px;\">D. The pest could trigger additional official or private treatment programs.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>E.<\/strong> The pest significantly impacts cultural practices, home\/urban gardening or ornamental plantings.<\/span><\/p>\n<p><strong>Environmental Impact Score:\u00a0 <span style=\"color: #008000;\">3<\/span><\/strong><\/p>\n<p style=\"padding-left: 30px;\">\u2013 Low (1) causes none of the above to occur.<\/p>\n<p style=\"padding-left: 30px;\">\u2013 Medium (2) causes one of the above to occur.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>\u2013 High (3) <\/strong>causes two or more of the above to occur.<\/span><\/p>\n<h5><strong>Consequences of Introduction to California for <em>Rhabdoscelus obscurus<\/em>: <span style=\"color: #008000;\">Medium (11)<\/span><\/strong><\/h5>\n<p>Add up the total score and include it here.<\/p>\n<p style=\"padding-left: 30px;\">\u2013Low = 5-8 points<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>\u2013Medium <\/strong>= 9-12 points<\/span><\/p>\n<p style=\"padding-left: 30px;\">\u2013High = 13-15 points<\/p>\n<p><strong>6)\u00a0 Post Entry Distribution and Survey Information:<\/strong> <em>Rhabdoscelus obscurus<\/em> is not known to occur in California.\u00a0 It receives a <span style=\"color: #008000;\"><strong>Not established (0)<\/strong><\/span> in this category.<\/p>\n<p>Evaluate the known distribution in California. Only official records identified by a taxonomic expert and supported by voucher specimens deposited in natural history collections should be considered. Pest incursions that have been eradicated, are under eradication, or have been delimited with no further detections should not be included.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>\u2013Not established (0) <\/strong>Pest never detected in California, or known only from incursions.<\/span><\/p>\n<p style=\"padding-left: 30px;\">\u2013Low (-1) Pest has a localized distribution in California, or is established in one suitable climate\/host area (region).<\/p>\n<p style=\"padding-left: 30px;\">\u2013Medium (-2) Pest is widespread in California but not fully established in the endangered area, or pest established in two contiguous suitable climate\/host areas.<\/p>\n<p style=\"padding-left: 30px;\">\u2013High (-3) Pest has fully established in the endangered area, or pest is reported in more than two contiguous or non-contiguous suitable climate\/host areas.<\/p>\n<h5><strong>Final Score:<\/strong><\/h5>\n<p><strong>7)\u00a0 The final score is<\/strong> the consequences of introduction score minus the post entry distribution and survey information score: <strong><span style=\"color: #008000;\">Medium (11)<\/span><\/strong><\/p>\n<h5><strong>Uncertainty: <\/strong><\/h5>\n<p><em>Rhabdoscelus obscurus<\/em> clearly has the potential to become established in new areas and cause great harm to sugarcane and palms, because it has already done so in much of the Pacific.\u00a0 However, it is possible that the climate in California will not be suitable for the establishment of this species.<\/p>\n<h5><strong>Conclusion and Rating Justification: <\/strong><\/h5>\n<p><em>Rhabdoscelus obscurus<\/em> is a weevil pest of sugarcane and palms that is not known to be present in California.\u00a0 It could become established in restricted areas of California.\u00a0 If this happened, it could cause damage to ornamental palms (and possibly the one native species).\u00a0 The planned sugarcane-based industries in the Imperial Valley would also be threatened.\u00a0 An \u201c<strong>A<\/strong>\u201d rating is justified.<\/p>\n<hr \/>\n<h5><strong>References: <\/strong><\/h5>\n<p>Beardsley, J. W., Leeper, J. R., Topham, M., and Waggy, S. L.\u00a0 1995.\u00a0 New Guinea sugarcane weevil.\u00a0 pp. 183-184 in (Nechols, J.R., Andres, L.A., Beardsley, J.W., Goeden, R.D., and Jackson, C.G., Biological control in the western United States.\u00a0 University of California Division of Agriculture and Natural Resources, Oakland, California.<\/p>\n<p>CDFA Pest and Damage Report Database.\u00a0 2017.\u00a0 <em>Rhabdoscelus obscurus<\/em>.\u00a0 Plant Health and Pest Prevention Services. CA Department of Food and Agriculture.\u00a0 Accessed November 28, 2017: <a href=\"https:\/\/pdr.cdfa.ca.gov\/PDR\/pdrmainmenu.aspx\" target=\"_blank\" rel=\"noopener\">https:\/\/pdr.cdfa.ca.gov\/PDR\/pdrmainmenu.aspx<\/a><\/p>\n<p>EPPO.\u00a0 2017.\u00a0 EPPO Global Database (available online).\u00a0 Accessed September 7, 2017: <a href=\"https:\/\/gd.eppo.int\" target=\"_blank\" rel=\"noopener\">https:\/\/gd.eppo.int<\/a><\/p>\n<p>Hoddle, M.\u00a0 Has the South American palm weevil, <em>Rhynchophorus palmarum<\/em>, established in southern California?\u00a0 University of California, Riverside, Center for Invasive Species Research. Accessed November 17, 2017: <a href=\"http:\/\/cisr.ucr.edu\/palmarum.html\" target=\"_blank\" rel=\"noopener\">http:\/\/cisr.ucr.edu\/palmarum.html<\/a><\/p>\n<p>Molet, T.\u00a0 2013.\u00a0 CPHST pest datasheet for <em>Rhabdoscelus obscurus<\/em>.\u00a0 USDA-APHIS-PPQ-CPHST.\u00a0 Accessed September 7, 2017: <a href=\"http:\/\/download.ceris.purdue.edu\/file\/3061\" target=\"_blank\" rel=\"noopener\">http:\/\/download.ceris.purdue.edu\/file\/3061<\/a><\/p>\n<p>Reddy, G. V. P., Shi, P., Mann, C. R., Mantanona, D. M. H., and Dong, Z.\u00a0 2012.\u00a0 Can a semiochemical-based trapping method diminish damage level caused by <em>Rhabdoscelus obscurus<\/em> (Coleoptera: Curculionidae)?\u00a0 Annals of the Entomological Society of America 105:693-700.<\/p>\n<p>Symbiota Collections of Arthropods Network.\u00a0 Accessed November 28, 2017: <a href=\"http:\/\/scan1.acis.ufl.edu\" target=\"_blank\" rel=\"noopener\">http:\/\/scan1.acis.ufl.edu<\/a><\/p>\n<p>Waggy, S. L. and Beardsley, J. W.\u00a0 1974.\u00a0 Biological studies on two sibling species of <em>Lixophaga<\/em> (Diptera: Tachinidae), parasites of the New Guinea sugarcane weevil, <em>Rhabdoscelus obscurus<\/em> (Boisduval).\u00a0 Proceedings of the Hawaiian Entomological Society 21:485-494.<\/p>\n<p>Zimmerman, E. C.\u00a0 1968.\u00a0 Rhynchophorinae of southeastern Polynesia.\u00a0 Pacific Insects 10:47-77.<\/p>\n<hr \/>\n<h5>Author:<\/h5>\n<p>Kyle Beucke, 1220 N Street, Room 221, Sacramento, CA, 95814, 916-403-6741; plant.health[@]cdfa.ca.gov.<\/p>\n<h5><strong>Responsible Party:<\/strong><\/h5>\n<p>Jason Leathers, 2800 Gateway Oaks, Sacramento CA 95833, (916) 654-1211, plant.health[@]cdfa.ca.gov<\/p>\n<hr \/>\n<h5>Comment Period:<span style=\"color: #ff0000;\">* CLOSED<\/span><\/h5>\n<p>7\/3\/18 \u2013 8\/17\/18<\/p>\n<hr \/>\n<h5><span style=\"color: #ff0000;\">*NOTE:<\/span><\/h5>\n<p>You must be registered and logged in to post a comment. \u00a0If you have registered and have not received the registration confirmation, please contact us at\u00a0plant.health[@]cdfa.ca.gov.<\/p>\n<hr \/>\n<h5>Comment Format:<\/h5>\n<p>\u2666 \u00a0Comments should refer to the appropriate California Pest Rating Proposal Form subsection(s)\u00a0being commented on, as shown below.<\/p>\n<p style=\"padding-left: 30px;\"><strong>Example Comment:<br \/>\n<\/strong>Consequences of Introduction: \u00a01. Climate\/Host Interaction:\u00a0[<em>Your comment that relates to \u201cClimate\/Host Interaction\u201d here.<\/em>]<\/p>\n<p>\u2666 \u00a0Posted comments will not be able to be viewed immediately.<\/p>\n<p>\u2666 \u00a0Comments may not be posted if they:<\/p>\n<p style=\"padding-left: 30px;\">Contain inappropriate language which is not germane to\u00a0the pest rating proposal;<\/p>\n<p style=\"padding-left: 30px;\">Contains defamatory, false, inaccurate, abusive, obscene, pornographic,\u00a0sexually oriented, threatening, racially offensive, discriminatory or illegal\u00a0material;<\/p>\n<p style=\"padding-left: 30px;\">Violates agency regulations prohibiting sexual harassment or other forms\u00a0of discrimination;<\/p>\n<p style=\"padding-left: 30px;\">Violates agency regulations prohibiting workplace violence, including threats.<\/p>\n<p>\u2666 \u00a0Comments may be edited prior to posting to ensure they are entirely germane.<\/p>\n<p>\u2666 \u00a0Posted comments shall be those which have been approved in content and posted to the\u00a0website to be viewed, not just submitted.<\/p>\n<hr \/>\n<h3><strong>Pest Rating: A<\/strong><\/h3>\n<p>&nbsp;<\/p>\n<hr \/>\n<p><em>Posted by ls\u00a0<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>California Pest Rating\u00a0 for\u00a0 (New Guinea Sugarcane Weevil) |\u00a0Rhabdoscelus obscurus (Boisduval)\u00a0 Coleoptera: Curculionidae Pest Rating: A PEST RATING PROFILE Initiating Event: This weevil was recently intercepted on cut ginger flowers from Hawaii (190P06619908).\u00a0 The species is currently Q-rated, and a permanent pest rating proposal is required to support an official pest rating. History &amp; Status: &hellip; <a href=\"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=5574\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">New Guinea Sugarcane Weevil | Rhabdoscelus obscurus (Boisduval)<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":325,"featured_media":0,"comment_status":"open","ping_status":"closed","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":[669,15,5],"tags":[675],"class_list":["post-5574","post","type-post","status-publish","format-standard","hentry","category-a-rated","category-coleoptera","category-entomology","tag-a-rated-pest"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p5l8vQ-1rU","jetpack-related-posts":[{"id":1954,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=1954","url_meta":{"origin":5574,"position":0},"title":"Insects, Mites &#038; Earthworms","author":"Admin","date":"May 13, 2016","format":false,"excerpt":"Insects and mites are related in that their skeletons are on the outside (Phyllum: Arthropoda), but differ in that adult insects have six legs and adult mites have eight.\u00a0 Both groups can be beneficial, neutral or destructive to their environment.\u00a0 Like nematodes, they can cause yearly losses in the billions\u2026","rel":"","context":"In &quot;Ratings&quot;","block_context":{"text":"Ratings","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=333"},"img":{"alt_text":"Insects and Mites Banner","src":"https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/insects-and-mites-featured-image.jpg?fit=1038%2C588&ssl=1&resize=350%2C200","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/insects-and-mites-featured-image.jpg?fit=1038%2C588&ssl=1&resize=350%2C200 1x, https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/insects-and-mites-featured-image.jpg?fit=1038%2C588&ssl=1&resize=525%2C300 1.5x, https:\/\/i0.wp.com\/blogs.cdfa.ca.gov\/Section3162\/wp-content\/uploads\/2016\/05\/insects-and-mites-featured-image.jpg?fit=1038%2C588&ssl=1&resize=700%2C400 2x"},"classes":[]},{"id":3018,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=3018","url_meta":{"origin":5574,"position":1},"title":"Metamasius hemipterus (L.): West Indian Sugarcane Weevil","author":"Jason Leathers","date":"December 21, 2016","format":false,"excerpt":"California Pest Rating for Metamasius hemipterus (L.): West Indian Sugarcane Weevil Pest Rating: \u00a0C PEST RATING PROFILE Initiating Event: February 26, 2014, USDA distributed a Deregulation Evaluation of Established Pests (DEEP) report proposing to change the status of Metamasius hemipterus, West Indian sugarcane weevil, from actionable to non-actionable for the\u2026","rel":"","context":"In &quot;Coleoptera&quot;","block_context":{"text":"Coleoptera","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=15"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":6582,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=6582","url_meta":{"origin":5574,"position":2},"title":"Ceratapion basicorne (Illiger): a weevil coleoptera: apionidae","author":"Kyle Beucke","date":"November 12, 2019","format":false,"excerpt":"California Pest Rating Profile for Ceratapion basicorne (Illiger): a weevil Pest Rating: D download pest rating profile *NOTE: You must be registered and logged in to post a comment. If you have registered and have not received the registration confirmation, please contact us at permits[@]cdfa.ca.gov. Posted by ka","rel":"","context":"In &quot;Coleoptera&quot;","block_context":{"text":"Coleoptera","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=15"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":4415,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=4415","url_meta":{"origin":5574,"position":3},"title":"Strangulate Weevil | Trochorhopalus strangulatus (Gyllenhal)","author":"Kyle Beucke","date":"January 11, 2018","format":false,"excerpt":"California Pest Rating for Strangulate Weevil |\u00a0Trochorhopalus strangulatus (Gyllenhal) Coleoptera Pest Rating: A \u00a0 PEST RATING PROFILE Initiating Event: Trochorhopalus strangulatus was recently reported to be established on the island of Hawaii (J. Matsunaga, pers. comm.).\u00a0 The species is currently Q-rated, and a permanent pest rating proposal is required to\u2026","rel":"","context":"In &quot;Coleoptera&quot;","block_context":{"text":"Coleoptera","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=15"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8919,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=8919","url_meta":{"origin":5574,"position":4},"title":"Anthonomus rubi (Herbst): strawberry blossom weevil","author":"Kyle Beucke","date":"September 15, 2021","format":false,"excerpt":"California Pest Rating Profile for Anthonomus rubi (Herbst): strawberry blossom weevilPest Rating: A download pest rating profile *NOTE You must be registered and logged in to post a comment. If you have registered and have not received the registration confirmation, please contact us at permits[@]cdfa.ca.gov. Posted by tn","rel":"","context":"In &quot;A-Rated&quot;","block_context":{"text":"A-Rated","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=669"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":14069,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=14069","url_meta":{"origin":5574,"position":5},"title":"Anthonomus testaceosquamosus Linell: Hibiscus bud weevil","author":"Kyle Beucke","date":"August 22, 2025","format":false,"excerpt":"California Pest Rating Profile for Anthonomus testaceosquamosus Linell: Hibiscus bud weevil Pest Rating: A Comment Period:\u00a008\/22\/2025 \u2013 10\/06\/2025 Download Pest Rating Profile *NOTE You must be registered and logged in to post a comment. 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