Fear of aliens is xenophobia. It can apply to alien people - people whose nationality or culture or ethnicity or other attributes are different from your own - or to an actual alien species from outer space (whose existence remains hypothetical).
PenisJacker
Automysophobia is the fear of being dirty.
Yes there is. It's called stupidity.
It is called Hemophobia, Hemo being blood, and phobia being fear.
Autophobia
Heliophobia.
The phobia for being afraid of wolves is called Lupophobia. Lupo being Latin for wolf. On the contrary, Luposlipophobia is a made up phobia made for the Far Side comics.
It's called being a trumpet player (: There is no technical phobia for being afraid of trombones, but there is "melophobia": the fear of music.
It's called being a Trumpet player (: There is no technical phobia for being afraid of trombones, but there is "melophobia": the fear of music.
Musophobia
Agoraphobia
If you mean to say the fear of public and open spaces, it's called Agoraphobia.