Honey Bees & Wild Bees 2025 Rank Threat (2025) How It Harms Bees Key Evidence Honey-bee vs. Wild-bee Impact 1 Varroa destructor mites + associated viruses (amitraz-resistant) – Feed on bee fat body, weaken immunity – Vector deformed-wing virus (DWV-A/B), acute bee paralysis, causing colony collapse – Rising resistance to amitraz; winter 2024-25 losses >60% […]