No daughter colonies of the 4a were tested yet.
16 tested queens were mated at the mating station:
DE-8-136-2191-1970 DE-8-136-2193-1970 DE-8-136-2195-1970 DE-8-136-2197-1970 DE-8-136-2198-1970 DE-8-136-2199-1970 DE-8-136-2200-1970 DE-8-136-2201-1970 DE-8-136-2202-1970 DE-8-136-2203-1970 DE-8-136-2204-1970 DE-8-136-2205-1970 DE-8-136-2206-1970 DE-8-136-2207-1970 DE-8-136-2208-1970 DE-8-136-2210-1970
17 daughter colonies of queens mated at the mating station were tested:
DE-8-136-2377-1972 DE-8-136-2378-1972 DE-8-136-2381-1972 DE-8-136-2384-1972 DE-8-136-2385-1972 DE-8-136-2387-1972 DE-8-136-2390-1972 DE-8-136-2391-1972 DE-8-136-2392-1972 DE-8-136-2393-1972 DE-8-136-2528-1972 DE-8-136-2532-1972 DE-8-136-2536-1972 DE-8-136-2537-1972 DE-8-136-2551-1972 DE-8-136-2552-1972 DE-8-136-2556-1972