3 daughter colonies of the 4a were tested:
DE-13-112-684-1991 DE-13-112-706-1993 DE-13-353-236-1994
26 tested queens were mated at the mating station:
DE-13-3-1790-1996 DE-13-3-1791-1996 DE-13-3-1793-1996 DE-13-3-1794-1996 DE-13-3-1796-1996 DE-13-3-1808-1996 DE-13-3-1809-1996 DE-13-3-1811-1996 DE-13-107-1353-1996 DE-13-107-1355-1996 DE-13-107-1357-1996 DE-13-107-1360-1996 DE-13-107-1361-1996 DE-13-107-1362-1996 DE-13-107-1363-1996 DE-13-107-1364-1996 DE-13-107-1365-1996 DE-13-107-1366-1996 DE-13-107-1367-1996 DE-13-107-1368-1996 DE-13-107-1369-1996 DE-13-107-1370-1996 DE-13-107-1371-1996 DE-13-353-416-1996 DE-13-353-518-1996 DE-13-353-1026-1996
8 daughter colonies of queens mated at the mating station were tested:
DE-13-107-1439-1998 DE-13-107-1440-1998 DE-13-107-1441-1998 DE-13-107-1442-1998 DE-13-107-1443-1998 DE-13-107-1444-1998 DE-13-107-1445-1998 DE-13-353-588-1997