No daughter colonies of the 4a were tested yet.
30 tested queens were mated at the mating station:
DE-2-326-355-2018 DE-2-326-356-2018 DE-2-326-372-2018 DE-2-326-373-2018 DE-2-326-376-2018 DE-2-326-378-2018 DE-2-601-70-2018 DE-2-601-71-2018 DE-2-601-72-2018 DE-2-601-76-2018 DE-2-601-77-2018 DE-2-616-103-2018 DE-2-616-115-2018 DE-2-616-116-2018 DE-2-616-117-2018 DE-2-616-118-2018 DE-2-616-119-2018 DE-2-616-120-2018 DE-2-616-121-2018 DE-2-616-122-2018 DE-2-616-123-2018 DE-2-616-124-2018 DE-2-616-125-2018 DE-2-616-126-2018 DE-2-616-127-2018 DE-2-616-129-2018 DE-2-624-26-2018 DE-2-624-27-2018 DE-2-624-28-2018 DE-2-624-29-2018
5 daughter colonies of queens mated at the mating station were tested:
DE-2-616-8-2020 DE-2-616-9-2020 DE-2-616-13-2020 DE-2-616-14-2020 DE-2-616-15-2020