Re-publish Scharf Insecticide MOA session with updated deliverables
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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Rich Braman
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<h1 id="extension-agent-version-scharf-insecticide-moa">Extension Agent Version — Scharf, Insecticide MOA<a class="headerlink" href="#extension-agent-version-scharf-insecticide-moa" title="Permanent link">¶</a></h1>
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<blockquote>
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<p><strong>Placeholder</strong> — Paste your Stage 3 pipeline output here.</p>
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</blockquote>
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<h1 id="gtbop-webinar-archive-extension-agent-resource">GTBOP Webinar Archive — Extension Agent Resource<a class="headerlink" href="#gtbop-webinar-archive-extension-agent-resource" title="Permanent link">¶</a></h1>
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<h2 id="principles-of-insecticide-mode-of-action">Principles of Insecticide Mode of Action<a class="headerlink" href="#principles-of-insecticide-mode-of-action" title="Permanent link">¶</a></h2>
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<hr />
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<p><em>Processed for UGA Center for Urban Agriculture / GTBOP Archives</em></p>
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<h3 id="webinar-information">Webinar Information<a class="headerlink" href="#webinar-information" title="Permanent link">¶</a></h3>
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<table>
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<thead>
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<th>Field</th>
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<td><strong>Speaker</strong></td>
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<td>Dr. Michael Scharf, Purdue University</td>
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<td><strong>Moderator</strong></td>
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<td>Dr. Dan Suiter, UGA Extension Entomologist</td>
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<td><strong>Original Air Date</strong></td>
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<td>October 18, 2017</td>
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<td><strong>Duration</strong></td>
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<td>1 hour, 7 minutes</td>
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<td><strong>Series</strong></td>
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<td>Getting the Best of Pests — Structural Pest Control</td>
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</tr>
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</tbody>
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</table>
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<hr />
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<h3 id="ceu-credit-information">CEU Credit Information<a class="headerlink" href="#ceu-credit-information" title="Permanent link">¶</a></h3>
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<p><strong>Georgia Applicator Category:</strong>
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- <strong>Cat 35</strong> — Industrial, Institutional, Structural and Health Related: <strong>2 HPC</strong></p>
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<p><strong>Credit Eligibility:</strong> This archived presentation is suitable for asynchronous CEU delivery to licensed pest control operators holding Category 35 certification. Verify current CEU acceptance with the Georgia Department of Agriculture before scheduling.</p>
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<p><strong>Sign-in sheet and CEU documentation:</strong> Contact the UGA Center for Urban Agriculture or visit gabugs.uga.edu for current forms and procedures.</p>
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<hr />
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<h3 id="viewing-instructions-for-asynchronous-use">Viewing Instructions for Asynchronous Use<a class="headerlink" href="#viewing-instructions-for-asynchronous-use" title="Permanent link">¶</a></h3>
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<ol>
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<li>Total viewing time is approximately 1 hour and 7 minutes, including the Q&A session.</li>
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<li>Attendees must view the entire presentation to receive credit.</li>
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<li>The presentation includes a 57-minute lecture followed by a 10-minute moderated Q&A.</li>
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<li>A sign-in sheet must be completed and returned per standard GTBOP procedures.</li>
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</ol>
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<hr />
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<h3 id="content-summary">Content Summary<a class="headerlink" href="#content-summary" title="Permanent link">¶</a></h3>
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<p>Dr. Michael Scharf of Purdue University covers insecticide classification and mode of action at a level appropriate for licensed pest control professionals. The presentation provides foundational knowledge that supports informed product selection, resistance management, and customer communication.</p>
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<p><strong>Topics covered include:</strong> a review of insect physiology as it relates to insecticide activity (nervous system, cuticle, digestive tract, tracheal system, musculature); the four basic modes of action (stimulation, blockage, modulation, inhibition); the LD50 concept and mammalian safety; five neurotoxic insecticide classifications (sodium channel agents, chloride channel agents, acetylcholine receptor agents, acetylcholinesterase inhibitors, combination products); four non-neurotoxic classifications (diamides, insect growth regulators, energy production inhibitors, cuticle dehydrating dusts); and practical factors affecting insecticide performance including formulations, pest behavior, sanitation, and resistance management through product rotation.</p>
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<p><strong>The Q&A session addresses:</strong> combination product resistance, new active ingredient development, IRAC classifications, nicotinoid vs. neonicotinoid terminology, oral vs. dermal toxicity routes, repellent vs. non-repellent insecticides, and essential oil-based products.</p>
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<hr />
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<h3 id="key-takeaways-for-extension-programming">Key Takeaways for Extension Programming<a class="headerlink" href="#key-takeaways-for-extension-programming" title="Permanent link">¶</a></h3>
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<ul>
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<li>All insecticides work through one of four basic mechanisms — a useful teaching framework for applicators at any experience level.</li>
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<li>Nine insecticide classifications (five neurotoxic, four non-neurotoxic) cover the full landscape of available tools.</li>
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<li>Diamides represent a notably safe chemistry class for mammals — EPA initially required no signal word.</li>
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<li>Resistance is identified as the probable #1 cause of callbacks in cockroach accounts; rotation every 3 months or monthly is recommended.</li>
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<li>The IRAC classification system is highlighted as a free, practical resource for planning product rotations by mode of action group.</li>
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<li>Sanitation and IPM practices are framed as direct enhancers of chemical efficacy, not just standalone strategies.</li>
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</ul>
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<hr />
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<h3 id="video-chapter-guide">Video Chapter Guide<a class="headerlink" href="#video-chapter-guide" title="Permanent link">¶</a></h3>
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<p>For agents directing attendees to specific sections:</p>
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<td>0:00</td>
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<td>Introduction and Speaker Credentials</td>
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<td>1:45</td>
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<td>Why Understanding Mode of Action Matters</td>
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<td>8:26</td>
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<td>Insect Physiology Overview</td>
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<td>14:02</td>
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<td>Insecticide Classification Basics</td>
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<td>17:51</td>
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<td>Four Basic Modes of Action</td>
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<td>19:41</td>
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<td>LD50 Concept and Mammalian Safety</td>
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<td>22:46</td>
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<td>Neurotoxic Insecticide Classifications Begin</td>
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<td>32:24</td>
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<td>Sodium Channel Insecticides</td>
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<td>34:12</td>
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<td>Chloride Channel Insecticides</td>
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<td>36:20</td>
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<td>Acetylcholine Receptor Insecticides</td>
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<td>38:04</td>
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<td>Combination Products</td>
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<td>39:07</td>
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<td>Non-Neurotoxic Insecticides Begin</td>
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<td>40:02</td>
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<td>Diamides</td>
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<td>41:42</td>
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<td>Insect Growth Regulators</td>
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<td>45:18</td>
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<td>Energy Production Inhibitors</td>
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<td>46:56</td>
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<td>Cuticle Dehydrating Dusts</td>
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<td>48:15</td>
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<td>Factors Affecting Insecticide Efficacy</td>
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</tr>
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<td>54:19</td>
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<td>Resistance Management</td>
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</tr>
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<td>57:53</td>
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<td>Q&A Session Begins</td>
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</tr>
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</tbody>
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</table>
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<hr />
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<h3 id="additional-resources-referenced-in-presentation">Additional Resources Referenced in Presentation<a class="headerlink" href="#additional-resources-referenced-in-presentation" title="Permanent link">¶</a></h3>
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<ul>
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<li>Scharf & Suiter, "Insecticide Primer and Insecticide Mode of Action," <em>PCT Magazine</em>, 2011</li>
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<li>Scharf & Suiter, <em>Insecticide Basics for the Pest Management Professional</em>, UGA publication (free)</li>
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<li>IRAC Mode of Action Classification Chart — irac-online.org</li>
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</ul>
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<hr />
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<p><em>Getting the Best of Pests Webinar Series | University of Georgia Center for Urban Agriculture</em>
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<em>For questions about this archive or CEU procedures, contact the Center for Urban Agriculture.</em></p>
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