An insect larva?
Yes. When I first saw the image below I almost fell out of my chair. Up until then I thought that these plugs were caused by some sort of fungal infection. I was wrong:
And they mature to become:
You’ll understand this was a difficult shot to focus with a handheld USB microscope.
Four pairs of legs means it’s an adult mite, three means it’s a larva.
This was taken carefully from my anus after a tickle.
Scraped from my cheek after a tickle moments after applying moisturiser.
Demodex folliculorum in it’s natural habitat (head down, tail up).
Notice the fine translucent filaments in this picture? We’ll come to those later.
Read on to continue the story...