Fertile female insect (5,3)

I think it could be either:

Which length description are you looking for?:

5,3

queen bee

'fertile female insect' is the definition.
(I've seen this before)

This is the entire clue.

(Other definitions for queen bee that I've seen before include "Woman of importance" , "Ruler of eleven across" , "Significant insect" , "The fertile, non-working female of the hive" , "Dominant woman - chief buzzer?" .)

I've seen this clue in The Guardian.

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