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Managing the Spread of Small Hive Beetles in Honey Bee Colonies: Evaluating Entrance Reducers and Bee Stock Influence

Explore the impact of entrance reducers and bee stock on Small Hive Beetle (SHB) invasion. Research results show varying effects on SHB presence, with bee stock significantly influencing invasion compared to entrance reducers.

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Managing the Spread of Small Hive Beetles in Honey Bee Colonies: Evaluating Entrance Reducers and Bee Stock Influence

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  1. A fast growing problem

  2. How can we stop SHB spread? Honey bee stock Entrance Reducers

  3. Do entrance reducers affect SHB invasion? Hood, M. 2004. Bee World 51-59. Ellis, J. et al. 2003. J. Econ. Entomol. 1647-1652.

  4. Timeline of Measurements Introduced entrance reducers in half of the colonies and removed all SHB in all colonies Made uniform packages Recorded # SHB, # frames adult bees, # frames brood & removed all SHB

  5. Colonies with entrance reducers 9 Italian colonies 9 Russian colonies

  6. Colonies with regular entrances 9 Italian colonies 8 Russian colonies

  7. Do entrance reducers affect SHB invasion? No overall effect, p=0.1596

  8. Do entrance reducers affect SHB invasion? p=0.5381 p=0.1994 p=0.1308 p=0.4435

  9. What about other colony factors? p=0.3847 p=0.5591

  10. Does honey bee stock affect SHB invasion? Overall effect, p=0.0176

  11. Does honey bee stock affect SHB invasion? p=0.0255 p=0.3204 p=0.0280 p=0.0207

  12. What about other colony factors? p=0.2708 p=0.9257

  13. Entrance reducers • Honey bee stock What do we know at this point?

  14. Continuing research

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