Queen ___ (3)
(Other definitions for bees that I've seen before include "Buzzers" , "Honeymakers" , "They are kept in an apiary" , "Apiary inhabitants" , "Drones and workers" .)
(Other definitions for drag that I've seen before include "Pull along with effort" , "A bore (colloq.); lug" , "Tow" , "Become tedious" , "boring experience" .)
'queen' is the definition.
(queen bee is a type of bee)
This is all the clue.
(Other definitions for bee that I've seen before include "Buzzing insect" , "Insect, may be in bonnet" , "A honey-maker" , "Honey generator" , "Hive insect" .)