The definition of "bugs" would have to be determined- but there are many types of mites, and other ectoparasites that will burrow within a human host's skin.
Mansonelliasis, Filariasis Myiasis Scabies
Yes, Trombicula mites, commonly known as "chiggers" or harvest mites can burrow into the skin of humans, dogs and cats.
Scabies.
Ticks bury their heads. Some types of fly lay eggs which hatch into maggots in the skin (there are some pretty rank photos on Google images of humans with magnet infestation. There are also lots of lesser known insects in various different countries which can burrow in human skin.
leeches,many insects and lizzards
No, there is no such thing.
scabies
scabies
No they do not. They only burrow into your skin.
Scabies.
Scabies
depends on where there at. it could range any where from lack of oxygen, which results in popping of small blood vessels. it could be chigars( spelling may not be right) which are small insects that burrow in your skin and live on your blood. allergic reaction to something.
Earthworms are not insects. (Not all insects shed their skin.)
No. That is not a possibility. The Human Bot Fly lays its eggs on a horsefly or a mosquito, something that will attempt to land on a human. This carrier finds a human and lands on him or her. The eggs rub off onto the human, whose body heat hatches the eggs. The larvae drop onto the skin and burrow right in. Where they live. Under your skin. Eating.