2 daughter colonies of the 4a were tested:
DE-2-158-817-1997 DE-2-158-891-1997
14 tested queens were mated at the mating station:
DE-2-158-794-1997 DE-2-158-796-1997 DE-2-158-817-1997 DE-2-158-891-1997 DE-2-158-913-1997 DE-2-158-916-1997 DE-2-158-928-1997 DE-2-158-931-1997 DE-2-158-939-1997 DE-2-190-65-1997 DE-2-190-123-1997 DE-2-190-166-1997 DE-2-190-167-1997 DE-2-190-168-1997
11 daughter colonies of queens mated at the mating station were tested:
DE-2-158-111-1999 DE-2-158-161-1999 DE-2-158-180-1999 DE-2-158-186-1999 DE-2-158-187-1999 DE-2-158-194-1999 DE-2-158-195-1999 DE-2-158-221-1999 DE-2-158-239-1999 DE-2-158-250-1999 DE-2-158-262-1999