Queen Biology and Quality with Dr. David Tarpy (382)

In this episode, Jeff Ott and Becky Masterman launch a new series focused on honey bee queens with leading researcher Dr. David Tarpy. From the start, the conversation challenges a common oversimplification: the queen is not just an "egg-laying machine," but part of a dynamic, cooperative system shaped by both biology and worker perception. Tarpy explains that queen quality extends beyond visible traits like brood pattern. Instead, it includes physical characteristics such as body size, mating success, and sperm viability—factors that set the upper limit, or "ceiling," of colony performance. However, he emphasizes that brood pattern is often a colony-level trait, influenced as much by workers, environment, and disease pressure as by the queen herself. A key insight from the discussion is that colonies do not evaluate queens based solely on pheromones produced by the queen. Brood pheromones and, importantly, the workers' ability to perceive those signals play a major role in whether a queen is accepted or replaced. This helps explain why strong queens are sometimes superseded while weaker ones persist. The conversation also explores the impact of queen handling and shipping. Temperature stress—both overheating and chilling—can reduce sperm viability without visibly harming the queen, leading to premature failure later in the season. For beekeepers, this underscores the importance of careful handling between receipt and installation. Tarpy shares insights from his long-running queen health clinic, where most "problem queens" sent in for analysis turn out to be biologically sound. In many cases, environmental factors such as pesticide exposure or colony stress are the underlying issue. This episode sets the stage for the series by reframing how beekeepers think about queens—not as isolated individuals, but as part of a complex, responsive colony system. Websites from the episode and others we recommend: North Carolina State Apiculture Program: https://www.ncsuapiculture.net North Carolina State Queen & Disease Clinic: https://pollinators.ces.ncsu.edu/apiculture/queen-disease-clinic/   Honey Bee Health Coalition: https://honeybeehealthcoalition.org Project Apis m. (PAm): https://www.projectapism.org The National Honey Board: https://honey.com Honey Bee Obscura Podcast: https://honeybeeobscura.com   Copyright © 2026 by Growing Planet Media, LLC     ______________ Betterbee is the presenting sponsor of Beekeeping Today Podcast. Betterbee's mission is to support every beekeeper with excellent customer service, continued education and quality equipment. From their colorful and informative catalog to their support of beekeeper educational activities, including this podcast series, Betterbee truly is Beekeepers Serving Beekeepers. See for yourself at www.betterbee.com This episode is brought to you by Global Patties! Global offers a variety of standard and custom patties. Visit them today at http://globalpatties.com and let them know you appreciate them sponsoring this episode!  <p class="MsoNormal