Magnet for a moth (5)
I believe the answer is:
flame
'magnet for a moth' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for flame that I've seen before include "Orange-red colour" , "Visible burning - passion" , "Brilliant orange-red" , "Light; (old) love" , "Burner -- passion" .)