No. In fact, pretty much everyone eats them, with fruit, or in fruit juice and the like - you know how fruit flies can appear out of nowhere? They have to hatch first. The eggs are very tiny and completely harmless.
No they are not.
no
Fly agaric is a very poisonous mushroom. It was used to make a natural pesticide in the past
yes, there are poisonous spiders everywhere.
On hatching from the eggs laid by a fly, the maggots will feed on the flesh.
When they are threatened, probably or when they are defending their eggs or something
They have poisonous spurs and the females lay eggs.
A female adult bot fly can lay from 300 to 1000 eggs in her short life span. The adult bot fly has no other goal in life than to lay eggs.
no
Actual "Spanish fly" consists of powdered green beetles (blister beetles, Lytta vesicatoria) or their eggs, and contains the poisonous chemical cantharidin. Its irritation stimulated blood flow in the genitals and elsewhere in the body. It was also used to secretly kill people.Ersatz (fake) Spanish fly contains various stimulants that only peripherally affect sexual desire. It is not poisonous but can be harmful in excessive dosages or when taken without food.
House fly eggs are white and you will see a whole bunch of them all in a bunch in one place. There are several eggs in one bunch.
I am a marine bioligest and I say all dolphins are poisonous