I wonder if this is also applicable to bees. When I was a kid, we got caught up in a swarm (there were five of us hiking in the woods). I was walking through the swarm as though I wasn’t even there. I think I had maybe a handful on me the entire hour, while my friends were literally covered in them, even under their clothes and underwear. I never get bitten by insects, ever. I can count on one hand how many mosquitoes have bitten me in the last decade.