He will panic if he sees a bee outside though.
OMG, I shouldn't but I laughed.  We have the same phobia.
As far as a choice goes, I didn't mean either/or but you have to do SOMETHING for X amount of time, so decide.
I don't do this, because I'm worn out with it.  But it has worked occasionally.  Here are things that always work for DS:
1)  When you do X, I'll drive you to GameStop
2)  See 1).
It's so frustrating!  Sorry you are having the same.  
As an aside--how did homeschooling art turn out?
I have been deliberating on whether or not I want to deal with DS and his program any more, at all.  He is so difficult when he is depressed/withdrawn.
FWIW, I don't think this is all ASD, depression, etc.  I've heard same from many parents.