Colony 7 arrived as a swarm from a Top Bar Hive near the John Radcliffe Hospital in Oxford. The colony had been untreated for a couple of years.
The colony dropped enormous quantities of Varroa mites onto the base board. This started almost immediately
Origin of swarm
from a no-treatment colony in a Top Bar Hive near John Radcliffe Hospital site
Untreated since date
What happened to the colony?
Starved next to stores during spring 2018