The Box Jellyfish
Humans. Lizards.
The deadliest animal in Michigan is most likely the snake. Both copperhead snakes and water moccasins inhabit Michigan and both can be deadly.
There are lots of dangerous animals in England, but dangeroud to what? The most dangerous to anything is probably Humans.
Humans have the ability to wipe out great swaths of habitat from animals that have no way to replace it. Nor do we.
Yes, a queen wasp can sting humans.
"Deadliness" is a subjective concept. The animals we consider deadly to us will be harmless to many other species, and those that are harmless to us may be voracious predators in their own world. Based on this premise, the UK's deadliest animal is quite possibly the Common Water Shrew which kills many times it's own weight of other small animals every day. The deadliest animal to humans in the UK is other humans
human
Mosquitos and humans are so far ahead of all the other animals in deadliness that there is no point in identifying a third place holder.
Humans
lion
One may believe that the deadliest animal to man would be something large or poisonous like a large wildcat or a snake. However, it is said that the 2nd deadliest animal to mankind is the mosquito because of the diseases it can carry, which kill over 600,000 people a year. It is only 2nd to humans themselves.
The mosquito is considered the number one most dangerous animal to humans due to its ability to transmit diseases such as malaria, dengue fever, and Zika virus. These diseases cause millions of deaths each year worldwide.