Just learned yesterday that Taiwan has caterpillars which can cause allergic skin reactions.
Felt something on my neck, thought it was a mosquito at first - when I smashed it, I realized it was a small caterpillar. Some hours later, a red rash developed along the path the caterpillar has walked.
Went to a skin doctor nearby and left around 10 minutes later with the usual antibiotic and a cortisone lotion.
I really thought these animals were pretty harmless. Well, now I now better… 
Patient zero of the 2022 caterpillar pox pandemic.
Some of them are really funky looking.
You didn’t know that caterpillars like @Icon are attracted to hairy men? 
Case fatality rate of 100%.
For the caterpillar.
The Patients or the caterpillars?
Maybe @urodacus will know what they secrete and whether they depend on a certain diet to secrete it.
There was some in the news about a year ago, think it was some nettle moth larvae, see if i can dig it out.
Edit: these little buggers
They’re called CATerpillar because they’re like cats. hairy and stuff but has claws. Except the claw is on their hair, which scratches you on a microscopic level and the hair breaks off… it’s supposed to be a defense mechanism.
That’s something they told me ages ago, don’t touch caterpilars, especially the hairy ones. Some have tiny ‘hairs’ that lodges in your skin, it’s not always excretion.
We both have good taste. 
@qwert_zuiop so sorry for that rash. I got those several times. Yep, not nice.
Sitting in the sun at a park in Taipei - on concrete, I was nipped by one on my leg. I did not feel it crawling onto my leg either.
The bite hurt a little and I immediately jumped up and brushed it aside. Was surprised to see it was a caterpillar. I was disappointed I had killed it, though.
It did not have long hairs.
A caterpillar bite? Is that a thing?
Not from a bite but from fine, bristle like hair called “setae”.
Sometimes, you can see them hanging from the trees by something that looks like silk string. You can easily bump on them.
