No daughter colonies of the 4a were tested yet.
20 tested queens were mated at the mating station:
DE-4-75-5031-1975 DE-4-119-504-1975 DE-4-119-505-1975 DE-4-119-520-1975 DE-4-119-535-1975 DE-4-119-536-1975 DE-4-119-538-1975 DE-4-119-540-1975 DE-4-119-543-1975 DE-4-119-550-1975 DE-4-119-552-1975 DE-4-119-559-1975 DE-4-119-561-1975 DE-4-119-569-1975 DE-4-119-573-1975 DE-4-119-575-1975 DE-4-119-578-1975 DE-4-119-580-1975 DE-4-119-589-1975 DE-4-119-591-1975
7 daughter colonies of queens mated at the mating station were tested:
DE-4-75-6998-1979 DE-4-75-7008-1979 DE-4-75-7058-1979 DE-4-75-7068-1979 DE-4-75-7078-1979 DE-4-75-7128-1979 DE-4-75-7138-1979