17 daughter colonies of the 4a were tested:
DE-6-1-420-2019 DE-6-1-1030-2019 DE-6-1-2202-2019 DE-6-1-2208-2019 DE-6-1-2248-2019 DE-6-1-2266-2019 DE-6-1-2324-2019 DE-6-1-2371-2019 DE-6-1-2411-2019 DE-6-1-2415-2019 DE-6-1-2416-2019 DE-6-1-2451-2019 DE-6-1-2467-2019 DE-6-1-2484-2019 DE-6-1-2556-2018 DE-6-1-2557-2018 DE-6-1-2776-2019
28 tested queens were mated at the mating station:
DE-6-1-125-2020 DE-6-1-1766-2020 DE-6-1-2108-2020 DE-6-1-2503-2020 DE-6-1-2722-2020 DE-6-1-2724-2020 DE-6-1-2725-2020 DE-6-1-2726-2020 DE-6-1-2728-2020 DE-6-1-2730-2020 DE-6-1-2731-2020 DE-6-1-2732-2020 DE-6-1-2733-2020 DE-6-1-2738-2020 DE-6-1-2774-2020 DE-6-1-2776-2020 DE-6-1-2779-2020 DE-6-1-2859-2020 DE-6-1-2868-2020 DE-6-1-2869-2020 DE-6-1-2878-2020 DE-6-1-2881-2020 DE-6-1-2891-2020 DE-6-1-2911-2020 DE-6-1-2924-2020 DE-6-1-2927-2020 DE-6-1-2932-2020 DE-6-1-2945-2020
10 daughter colonies of queens mated at the mating station were tested:
DE-6-1-514-2023 DE-6-1-594-2023 DE-6-1-606-2023 DE-6-1-619-2023 DE-6-1-670-2023 DE-6-1-736-2023 DE-6-1-788-2023 DE-6-1-799-2023 DE-6-1-800-2023 DE-6-1-820-2023