5 daughter colonies of the 4a were tested:
DE-2-145-1790-2003 DE-2-145-1791-2003 DE-2-145-1792-2003 DE-2-145-1793-2003 DE-2-145-1794-2003
8 tested queens were mated at the mating station:
DE-2-145-1801-2005 DE-2-145-1802-2005 DE-2-145-1803-2005 DE-2-145-1804-2005 DE-2-145-1805-2005 DE-2-145-1806-2005 DE-2-145-1807-2005 DE-2-145-1808-2005
3 daughter colonies of queens mated at the mating station were tested:
DE-2-145-2183-2007 DE-2-145-2186-2007 DE-2-145-2191-2007