23 daughter colonies of the 4a were tested:
DE-8-5-243-1991 DE-8-5-244-1991 DE-8-5-245-1991 DE-8-5-247-1991 DE-8-5-248-1991 DE-8-5-249-1991 DE-8-5-250-1991 DE-8-5-251-1991 DE-8-5-252-1991 DE-8-5-257-1991 DE-8-8-71-1991 DE-8-8-72-1991 DE-8-8-73-1991 DE-8-8-74-1991 DE-8-8-75-1991 DE-8-8-76-1991 DE-8-8-77-1991 DE-8-8-78-1991 DE-8-8-80-1991 DE-8-8-81-1991 DE-8-8-82-1991 DE-8-8-84-1991 DE-8-8-88-1991
14 tested queens were mated at the mating station:
DE-8-8-89-1992 DE-8-8-90-1992 DE-8-8-91-1992 DE-8-8-92-1992 DE-8-8-93-1992 DE-8-8-94-1992 DE-8-8-95-1992 DE-8-8-96-1992 DE-8-8-253-1992 DE-8-8-255-1992 DE-8-8-256-1992 DE-8-8-257-1992 DE-8-8-259-1992 DE-8-8-260-1992
12 daughter colonies of queens mated at the mating station were tested:
DE-8-8-97-1993 DE-8-8-98-1993 DE-8-8-99-1993 DE-8-8-100-1993 DE-8-8-101-1993 DE-8-8-102-1993 DE-8-8-103-1993 DE-8-8-104-1993 DE-8-8-105-1993 DE-8-8-106-1993 DE-8-8-107-1993 DE-8-8-108-1993