The source details how Apivar 2.0 can cause severe colony damage or desertion when used during extreme weather conditions. Specifically, high temperatures exceeding ninety-five degrees combined with high humidity cause the plastic strips to release their active ingredient much too quickly. This sudden chemical surge overwhelms large, densely packed colonies that are already struggling with heat stress and poor ventilation. Furthermore, administering a full-dose treatment simultaneously across robust apiaries during peak summer significantly increases the likelihood of catastrophic die-offs. Beekeepers can mitigate these risks by avoiding full-strength applications during hot weather, ensuring proper hive ventilation, or utilizing shaded apiary locations. #honeybees #valleybeekeeping
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