ok you say you have a laying worker, are you seeing multiple eggs in the cells? if not then I say you dont have a laying worker, I cant see in the cells with those pictures, might be your old queen started failing and laying just drone cells and the new queen just hasn't started laying yet, we have had some bad weather lately, a laying worker will not just lay one egg in the cells and they will not be at the bottom of the cell, they will be stuck to the sides of the cell, I have seen some with about 10 eggs in a single cell, if you have multiple eggs in the cells then a laying worker is what you have, then its time to shake them, with them not working the frame of eggs you put in tells me they have a queen , she is just a late starter, had one go a month before where I put 2 frames of brood in in 2 weeks and they did nothing, never seen any eggs then check the day I was going to shake them out and 4 frames full of eggs and young larva. show me some pictures or tell me you see mutiple eggs in cells and I will say you have a laying worker...