More diff way, shake frames of young bees into nuc box without hijacking the queen/s
Feed well over night, give a frame of pollen and the grafts and leave over the next night.
Taken grafts (accepted ones) will have clusters of bees around the cups. May be some waxing of the lip of the cup. WILL be royal jelly in the cup.
Hope this helps.
PH
A good bump on the ground will stop them flying out when quickly introducing the grafts/cup kit larva.
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