3 daughter colonies of the 4a were tested:
CH-50-62-50482-2014 CH-50-81-30340-2013 CH-50-81-30358-2013
18 tested queens were mated at the mating station:
CH-50-52-50065-2015 CH-50-52-50067-2015 CH-50-52-50070-2015 CH-50-52-50077-2015 CH-50-52-50078-2015 CH-50-52-50790-2015 CH-50-62-50047-2015 CH-50-62-50100-2015 CH-50-62-50103-2015 CH-50-62-50174-2015 CH-50-62-50180-2015 CH-50-62-50181-2015 CH-50-62-50183-2015 CH-50-135-50112-2015 CH-50-135-50119-2015 CH-50-135-50125-2015 CH-50-135-50165-2015 CH-50-135-50198-2015
5 daughter colonies of queens mated at the mating station were tested:
CH-50-135-50054-2017 CH-50-135-50055-2017 CH-50-135-50156-2017 CH-50-135-50157-2017 CH-50-135-50194-2017