Symbol of industry (3)
(Other definitions for ant that I've seen before include "Termite" , "that may be a soldier" , "one living in colonies" , "Worker on the hill" , "Hill-dweller" .)
'symbol of industry' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for bee that I've seen before include "Honey maker" , "Honey generator" , "Hymenopterous insect" , "Stinging insect" , "Buzzing insect" .)