Answers:
r u sure it's not poison ivy? except, perchance a spider.
ants can motivation little blisters, and so can some spiders.
all types of bits, such as mosquito, ants, some spiders, if a human bit you, it depends how strong, it will effect to blister. First stage is blister, second stage is swelling, third stage is infection. It depends where on earth the blisters are.
Ant bites will motivation blisters.
fire ant bites will blister...have like mad of them on my leg when i be attacked
I hold have spider bites that bring blisters. They come across to be non-hazardous merely annoying. They really do not itch much but they can become sore at times.
There are several insect or bug bites that can result in blisters. The source below discusses several of them.