Sentence:  After another two weeks , the first young emerge , four to eight small daughters that begin to play the role of worker bees , collecting pollen and nectar in the field and caring for the new young generation while the <WSD>queen</WSD> retires to a life of egg laying . 
Meaning of the word marked with <WSD> tags:  the only fertile female in a colony of social insects such as bees and ants and termites; its function is to lay eggs