Reasons for arachnophobia?

You know what I think? I think that we are raised to be afraid of insects at an early age. Mothers usually scream and call for the man to do something we see this and it registers in the brain Oh Iam supposed to be afraid of this. If boys are afraid they to learn this programed behavior. You have to train yourself to react in the right way. They are more afraid of you then you are of them