The Guardian article does mention that they are Varroa mite resistant, though not how. https://www.theguardian.com/environment/2021/nov/07/no-one-knew-they-exi

The Guardian article does mention that they are Varroa mite resistant, though not how. https://www.theguardian.com/environment/2021/nov/07/no-one-knew-they-existed-wild-heirs-of-lost-british-honeybee-found-at-blenheim https://www.theguardian.com/environment/2021/nov/07/no-one-k...