Buy it Where You Burn it: Don’t Move Firewood!<\/h1>\n\n\n\n
Cooler temperatures are right around the corner as we get closer to the Lowcounty winter. With temperatures dropping, more and more people are looking to buy firewood for cooking, bonfires, and all sorts of cold weather activities. Firewood is a way that Asian longhorned beetle (ALB) is able to move both inside of a quarantine and outside. The safest way to use firewood is to use kiln dried wood, this ensures there are no pests present that could be introduced to your property. <\/p>\n\n\n\n
When purchasing firewood, ensure that the type of wood you are getting is not a host for ALB (maple, willow, elm, poplar, birch, buckeye\/horse chestnut, sycamore\/plane tree, ash, mimosa, mountain ash, golden raintree, and katsura). These host materials are prohibited<\/strong> from leaving a quarantined area.<\/p>\n\n\n\n Before traveling with firewood, check the current quarantine map and contact the ALB Program for guidance. Not moving host tree firewood stock helps protect trees and prevent ALB from spreading.<\/p>\n\n\n\n Our new quarantine boundaries are officially in effect as of August 23, 2026. The new quarantine includes additional areas in John\u2019s Island, West Ashley, and Hollywood, while removing some areas in Mount Pleasant. These changes reflect updated survey data collected by Clemson University, the USDA APHIS, and state and local partners. Please visit the link below to view the changes to the quarantined area.<\/p>\n\n\n\n Asian Longhorned Beetle Quarantine<\/a><\/p>\n\n\n\n What happened?<\/strong> In May 2020, Anoplophora glabripennis<\/em>, Asian Longhorned Beetle (ALB) was detected in South Carolina for the first time in Hollywood, SC by a local homeowner. Shortly after, a collaborative program between Clemson University\u2019s Department of Plant Industry (DPI) and USDA Animal Plant Health Inspection Services (APHIS) was formed with the goal of detection and eradication of ALB. Since 2021, South Carolina state and federal quarantines have been established in the known areas of ALB infestation encompassing portions of Charleston and Dorchester counties. <\/p>\n\n\n\n Why do we care?<\/strong> As an invasive species, ALB negatively impacts the local environment, economy, and poses a risk to public health through infesting a number of hardwood species, expediting the rate of tree mortality. <\/p>\n\n\n\n What are we doing?<\/strong> Clemson\u2019s DPI and USDA APHIS are conducting tree inspection surveys within the quarantines and the surrounding areas to determine the size and scope of the infestations. Davey Resource Group is contracted to carry out survey and tree removal services on behalf of the ALB Program. <\/p>\n\n\n\n Photo Description:<\/strong> ALB program surveyor conducting tree survey to detect beetle damage. Surrounding trees with orange spray paint have been marked as infested by the program. <\/p>\n\n\n\n ALB lives inside of the tree from the egg to pupa stages. Once the beetles develop into adults, they begin to emerge from within the tree from early May until late September. Their generation time is highly dependent on climatic conditions; in South Carolina\u2019s climate, one generation is estimated to be completed in as little as 10 months. <\/p>\n\n\n\n A \u201chost\u201d tree is any tree that ALB can successfully infest and complete its lifecycle in. There are only 12 genera of trees (listed below) that have been confirmed as hosts for the beetles.<\/p>\n\n\n\n Photo Description:<\/strong> Close-up of an infested Red Maple; ALB\u2019s most preferred host species in SC.<\/p>\n\n\n\n The best way to detect an ALB infestation is by looking for the characteristic damage they create on host trees throughout their lifecycle. <\/p>\n\n\n\n Photo Description:<\/strong> Egg sites (circled in blue) and exit holes (circled in red) on an infested maple log. <\/p>\n\n\n\n If you suspect that you have seen ALB or find suspicious damage on a tree species included in any of the host genera listed above, you can make a report to the program through our reporting tool<\/strong><\/a>. <\/p>\n\n\n\n Federal and state quarantines are established for Charleston County and a small portion of Dorchester County. The state quarantine legislation was enacted with publication in the State Register on June 25, 2021. See\u202fSC ALB regulations here<\/strong><\/a>\u202fand view the\u202fElectronic Code of Federal Regulations here<\/strong><\/a>. <\/p>\n\n\n\n For property owners who will have infested trees requiring removal, they should receive official notification via certified mail from DPI and, whenever possible, will be notified by a Davey Resource Group official before tree removal work begins. <\/p>\n\n\n\n In accordance with SC\u2019s State Crop Pest Commission, a regulated article is considered as anything that poses a risk of spreading ALB, including the beetle at any life stage, firewood and any woody host material half an inch or more in diameter. Regulated articles must be processed appropriately per state<\/strong><\/a> and federal<\/strong><\/a> regulations before leaving the quarantine. <\/p>\n\n\n\n Regulated material may also be disposed of at an approved disposal site inside the quarantine areas. Approved dumpsites include Bees Ferry Road Convenience Center, 1344 Bees Ferry Road, 29414\u202for the Hollywood Convenience Center, 5305 Highway 165, 29449. Please contact the SC ALB Program for additional questions regarding proper handling and disposal of woody debris in Charleston County, Dorchester County and Town of Mount Pleasant. <\/p>\n\n\n\n The ALB Program is proactively contacting businesses operating within the quarantine for guidance in how to adhere to the quarantine requirements. To sign up for free compliance training where\u202fyou can learn more about how to handle regulated articles, please contact the SC ALB Program at stopALB@clemson.edu<\/strong><\/a>\u202for leave a voicemail to our office at 843-973-8329. <\/p>\n\n\n\n The Clemson University Invasive Species Program often shares updates and information on ALB (as well as other invasive species of concern in South Carolina) on its\u202fFacebook page<\/strong><\/a>\u202f\u2013 like and follow to get updates in your social media feed!\u202f<\/p>\n\n\n\n Last month, program staff interacted with 200 park visitors at the Palmetto Park Jam in Mount Pleasant and 154 attendees at the Charleston Museum’s Nighttime at the Museum. Thank you for all who came by to learn more about how to spot ALB and its damage, how to process and dispose of materials, and how to report ALB if you suspect seeing it! Visit with us this month at Johns Island County Park for the Harvest Festival from 11:00am – 4:30pm on Saturday, November 7th. We cannot wait to see everyone there!<\/p>\n\n\n\n Special thanks to those who signed up for our newsletter to stay up to date on the progress of the program; it\u2019s only through a diligent public are we able to more easily detect and eradicate ALB and protect South Carolina\u2019s trees!<\/p>\n\n\n\n If your community\u202forganization is interested in hosting an ALB outreach event or would like printed copies of our brochure, please contact the program at stopALB@clemson.edu<\/strong><\/a>.\u202f Additional educational invasive species materials are also available at\u202fwww.clemson.edu\/alb<\/strong><\/a>.<\/p>\n\n\n\n It is important to know the beetle is not harmful to people or pets. DPI and USDA tree inspectors will notify residents of survey activities on private properties before they conduct surveys whenever possible. Tree inspectors are dressed in Clemson, USDA, or Davey Resource Group uniforms and will provide identification if asked. We are asking residents to look for the beetle and to examine their trees for any damage that may be caused by the beetle. Residents can report the beetle or tree damage through the reporting tool<\/strong><\/a>, by emailing\u202fstopALB@clemson.edu<\/strong><\/a>, or by calling the SC ALB Program Office at 843-973-8329.\u202f\u202f\u202f\u202f\u202f\u202f\u202f\u202f <\/p>\n\n\n\n We aim to provide consistent, transparent communication with all those affected in the Charleston area. Please let us know how we can assist in the wider sharing of this information in your communities and with all stakeholders. Our program is made possible through a collaborative effort between Clemson University\u2019s Department of Plant Industry, The College of Charleston and The College of Charleston Foundation, and the USDA\u2019s Animal and Plant Health Inspection Service. We appreciate your support. Thank you!<\/p>\n\n\n\n Tune in for our monthly newsletter! Get the newsletter to your inbox each month. To subscribe scan this QR code or follow the instructions below:<\/p>\n\n\n\n <\/p>\n","protected":false},"excerpt":{"rendered":" We want to keep you informed about the Asian longhorned\u202fbeetle (ALB) infestation in South Carolina, as supportive community\u202frelationships are essential to the success of eradicating the beetle. This update\u202fis being issued to established collaborators, communities, and stakeholders, and we invite you to share this information with anyone who may be affected by our operations. If […]<\/p>\n","protected":false},"author":4116,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[94664,15885,93921],"tags":[],"coauthors":[94697],"class_list":["post-1582","post","type-post","status-publish","format-standard","hentry","category-asian-longhorned-beetle","category-invasive-species","category-plant-industry"],"fimg_url":false,"_links":{"self":[{"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/posts\/1582","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/users\/4116"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/comments?post=1582"}],"version-history":[{"count":7,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/posts\/1582\/revisions"}],"predecessor-version":[{"id":1592,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/posts\/1582\/revisions\/1592"}],"wp:attachment":[{"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/media?parent=1582"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/categories?post=1582"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/tags?post=1582"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/coauthors?post=1582"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":1571,"date":"2026-11-05T16:56:36","date_gmt":"2026-11-05T16:56:36","guid":{"rendered":"https:\/\/blogs.clemson.edu\/regulatory\/?p=1571"},"modified":"2026-11-05T16:56:38","modified_gmt":"2026-11-05T16:56:38","slug":"emerging-pest-alert-beech-leaf-disease-caused-by-litylenchus-crenatae","status":"publish","type":"post","link":"https:\/\/blogs.clemson.edu\/regulatory\/emerging-pest-alert-beech-leaf-disease-caused-by-litylenchus-crenatae\/","title":{"rendered":"Emerging Pest Alert: Beech Leaf Disease Caused by Litylenchus crenatae"},"content":{"rendered":"\n by: Xiao Yang, Steven Jeffers, Caroline Oatley, Allison Guggenheimer Bower<\/p>\n\n\n\n There are no known reports of beech leaf disease (BLD) in South Carolina at present, but it is an emerging threat of regulatory concern that has recently been confirmed in Watauga County, North Carolina (Borden et al. 2026). BLD is caused by the foliar nematode Litylenchus crenatae<\/em>, which was first detected in the United States in 2012 in Lake County, Ohio. Since its discovery, the nematode has rapidly spread to numerous other states across the northeast and mid-Atlantic regions and to parts of Canada. Most recently, it has been reported in two southeastern states: Virginia in 2021 and North Carolina in 2025. BLD is a potentially lethal problem affecting American beech trees (Fagus grandifolia<\/em>) in forests and landscapes. It causes leaf distortion, bud abortion, and, eventually, canopy thinning and tree death. Mortality on smaller and younger trees (less than 5 inches in diameter at breast height) is more common and can occur as early as two years after infection (Martin & McIntire 2026).<\/p>\n\n\n\n (Severe canopy thinning and mortality of American beech trees in an urban forest in Rhode Island. Photo source: Xiao Yang)<\/p>\n\n\n\n As shown in the photos below, symptoms include dark green, yellowish, to brownish stripes and bands running parallel between leaf veins\u2014a distinctive symptom that is readily recognizable to the naked eye without special tools. Severely infected leaves may appear smaller and distorted and have a leathery texture (Martin & McIntire 2026).<\/p>\n\n\n\n (The characteristic banding or striping symptoms of beech leaf disease. Hold infected leaves up to the sunlight or look up through the canopy toward the sky for better observation of this characteristic symptom. Photo credit: Xiao Yang)<\/p>\n\n\n\n (Leaves at later stages of infection with progressive BLD symptoms such as curling of margins, a thick, leathery texture, and yellow banding between veins. Photo credit: Matthew Borden at Bartlett Tree Experts)<\/p>\n\n\n\n Potential BLD sightings and reports in South Carolina are warranted from first responders \u2013 including citizen scientists, rangers, and residents in and near forests with American beech populations. However, to avoid false sightings, first responders should learn to distinguish true BLD symptoms from those of a few \u201clook-alike\u201d pests and diseases as shown below.<\/p>\n\n\n\n (Woolly aphid damage that may be misidentified as the banding symptom of beech leaf disease. Photo credit: Andrejs Brolis at U.S. National Park Service)<\/p>\n\n\n\n (Light green patches between veins, caused by microscopic eriophyid mites [beech erineum mites], could be confused with beech leaf disease. Photo credit: Joe Boggs at The Ohio State University)<\/p>\n\n\n\n (Damage from leaf curling aphids that may be misidentified as symptoms of beech leaf disease. Photo credit: Andrejs Brolis at U.S. National Park Service)<\/p>\n\n\n\n (Beech anthracnose causes leaf spots and necrotic lesions that may be confused with the symptoms of beech leaf disease. Photo credit: Nancy Gregory at University of Delaware)<\/p>\n\n\n\n If suspicious symptoms of BLD are observed in our state, the public is encouraged to report the sighting to the Clemson University Department of Plant Industry at invasives@clemson.edu<\/a>. Please include the following information in the email.<\/p>\n\n\n\n References<\/em><\/strong>:<\/p>\n\n\n\n Borden et al. 2026. First report of beech leaf disease caused by the foliar nematode Litylenchus crenatae<\/em> on American beech in North Carolina. https:\/\/doi.org\/10.1094\/PDIS-07-26-1354-PDN<\/a><\/p>\n\n\n\n Martin, D. K., and McIntire, C. 2026. Pest alert: Beech leaf disease. Publication no. R9-PR-016-24. USDA Forest Service, Eastern Region. Milwaukee, WI. https:\/\/usfs-public.app.box.com\/v\/EasternRegionPublications\/file\/787426913431?sb=\/details<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" by: Xiao Yang, Steven Jeffers, Caroline Oatley, Allison Guggenheimer Bower There are no known reports of beech leaf disease (BLD) in South Carolina at present, but it is an emerging threat of regulatory concern that has recently been confirmed in Watauga County, North Carolina (Borden et al. 2026). BLD is caused by the foliar nematode […]<\/p>\n","protected":false},"author":3969,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"inline_featured_image":false,"footnotes":""},"categories":[94706,94663],"tags":[94692,94693],"coauthors":[94690,94668],"class_list":["post-1571","post","type-post","status-publish","format-standard","hentry","category-beech-leaf-disease","category-plant-pest-diagnostic-clinic","tag-invasive-species","tag-plant-industry"],"fimg_url":false,"_links":{"self":[{"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/posts\/1571","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/users\/3969"}],"replies":[{"embeddable":true,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/comments?post=1571"}],"version-history":[{"count":2,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/posts\/1571\/revisions"}],"predecessor-version":[{"id":1580,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/posts\/1571\/revisions\/1580"}],"wp:attachment":[{"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/media?parent=1571"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/categories?post=1571"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/tags?post=1571"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/blogs.clemson.edu\/regulatory\/wp-json\/wp\/v2\/coauthors?post=1571"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}},{"id":1508,"date":"2026-10-26T14:43:52","date_gmt":"2026-10-26T14:43:52","guid":{"rendered":"https:\/\/blogs.clemson.edu\/regulatory\/?p=1508"},"modified":"2026-10-27T16:29:33","modified_gmt":"2026-10-27T16:29:33","slug":"hornet-herald-14","status":"publish","type":"post","link":"https:\/\/blogs.clemson.edu\/regulatory\/hornet-herald-14\/","title":{"rendered":"Hornet Herald"},"content":{"rendered":"\n Our goal is to keep you informed about the Yellow-legged Hornet (YLH) infestation in South Carolina. Supportive community relationships are essential to the success of detecting, tracking, and removing this pest. This update is being issued to collaborators, communities, and stakeholders, and we invite you to share this information with anyone who may be affected by our operations. <\/p>\n\n\n\n Photo descriptions<\/strong>: Yellow-legged hornet caught by a survey specialist. Image credits<\/strong>: CU DPI Allison Lewis<\/p>\n\n\n\n What happened?<\/strong> In August 2023, Vespa velutina,<\/em> Yellow-Legged Hornet (YLH) was detected in the United States for the first time near Savannah, GA, less than five miles from the South Carolina-Georgia border. In Spring 2024, several YLH queens and one embryo nest were found in Beaufort County; worker detections continued through summer.<\/p>\n\n\n\n Why do we care?<\/strong> Yellow-Legged Hornets prey on honeybees, causing reduced foraging and colony failure. This impact would result in reduced honey and other honeybee products and reduced crop production due to decreased pollination by honeybees and native pollinators.<\/p>\n\n\n\n What are we doing?<\/strong> With the Support of USDA APHIS, Clemson’s Honeybee Protection Program is surveying for YLH focusing on detecting workers and finding nests within a wide area around the initial detections. Baited traps are used to initially detect hornets, followed by tracking live hornets to narrow down the nest search area. Eradication focuses on locating and destroying nests including queens. Nests should ideally be destroyed by late summer or very early fall before new queens are actively mating and dispersing. Nest destruction will continue throughout the fall and early winter.<\/p>\n\n\n\n The SC Yellow-legged Hornet Nest Map Update<\/a><\/strong>: reflects nests found and hornet activity. Overlap both maps or hide one in layers by clicking the eye icon to view them separately. Interactive applications allow you to enter a specific address to focus your view on an area of interest. Each point, when selected, also provides you with additional information, such as the nest stage.<\/p>\n\n\n\n The Clemson Department of Plant Industry (DPI) inspectors and USDA personnel in South Carolina have YLH traps placed throughout\u202fAllendale,\u202fAnderson,Beaufort,\u202fBerkeley,\u202fColleton,\u202fCharleston,\u202fCherokee,\u202fChester,Dorchester,\u202fHampton,\u202fJasper,\u202fLancaster,\u202fUnion,\u202fand York Counties\u202fof South Carolina. These traps are\u202fmonitored\u202fregularly for hornet activity. The locations have been\u202festablished near known YLH detections and, where possible, near known honeybee colonies.\u202f <\/p>\n\n\n\n It can not be overstated that beekeepers should be familiar with the activity of YLH hawking and report any sightings immediately to the Clemson YLH Reporting Tool<\/a>. <\/strong> <\/p>\n\n\n\n In the late summer and early fall season, the colony grows and workers will begin building the “Secondary Nest.” The “Primary Nest” will be abandoned as the colony moves into this larger nest and continues to expand it.<\/p>\n\n\n\n The first nest detection in Anderson and Kershaw Counties were discovered and removed this month.\u202fRefer to our live map for updates on nest detections across the state.<\/strong> <\/p>\n\n\n\n DPI is currently\u202fmonitoring\u202ftraps and removing YLH nests when discovered. Expanding trapping locations and continuing public outreach efforts\u202fare also a major\u202fcomponent.\u202fThe public should survey around structures, shrubs, and trees and report nests in any stage. If you believe you have\u202fidentified\u202fa\u202fYLH\u202fnest, do not\u202fattempt\u202fto remove it yourself.\u202fPlease report at the\u202fClemson\u00ae DPI\u2019s reporting tool<\/strong><\/a>.\u202f\u202f <\/p>\n\n\n\n![\"\"](\"https:\/\/blogs.clemson.edu\/regulatory\/files\/2026\/11\/TNC_FY26_BIWYBI_Day_No-Bleed-1.png\")
<\/figure>\n\n\n\nHole-y City Headline<\/strong><\/h1>\n\n\n\n
Background<\/strong><\/h2>\n\n\n\n
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What does ALB look like?<\/strong> <\/h5>\n\n\n\n
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Egg to Exit: Life Cycle<\/strong><\/h5>\n\n\n\n
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<\/figure>\n\n\n\nHost Trees <\/strong> <\/h5>\n\n\n\n
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Damage<\/strong> <\/h5>\n\n\n\n
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QUARANTINE & REGULATIONS:<\/strong>\u202f \u202f \u202f \u202f \u202f <\/h2>\n\n\n\n
ALB by the Numbers \u2013 2026\u00a0ALB Stats as of 11\/6\/2026<\/strong><\/h6>\n\n\n\n
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OUTREACH:<\/strong> <\/h2>\n\n\n\n
REMINDERS:<\/strong>\u202f\u202f\u202f\u202f\u202f\u202f\u202f\u202f\u202f\u202f\u202f <\/h2>\n\n\n\n
CLOSING:<\/strong>\u202f\u202f\u202f\u202f\u202f\u202f\u202f\u202f\u202f\u202f\u202f\u202f\u202f <\/h2>\n\n\n\n
Want to stay in the loop?<\/strong><\/h4>\n\n\n\n
![\"\"](\"https:\/\/blogs.clemson.edu\/regulatory\/files\/2025\/08\/ALB-Listserv-subscription-1024x1024.png\")
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October 2026 Yellow-Legged Hornet Update: Detections in New Counties<\/h2>\n\n\n\n
Introduction<\/h2>\n\n\n\n
![\"\"](\"https:\/\/blogs.clemson.edu\/regulatory\/files\/2026\/10\/image-10-768x1024.jpeg\")
<\/figure>\n\n\n\nBackground<\/h2>\n\n\n\n
What does it look like?<\/h2>\n\n\n\n
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![\"This](\"https:\/\/blogs.clemson.edu\/regulatory\/files\/2026\/01\/YLH-Newsletter_ID.png\")
Life Cycle<\/h2>\n\n\n\n
![\"This](\"https:\/\/blogs.clemson.edu\/regulatory\/files\/2026\/01\/YLH-Life-Cycle-1024x768.png\")
YLH By the Numbers \u2013 2026 Stats as of 10\/26\/2026<\/h3>\n\n\n\n
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Latest Buzz<\/h2>\n\n\n\n
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