You searched for: “acarophobia
acarophobia
1. Excessive fear of skin infestation by mites or ticks; fear of itching.
2. Fear of small objects; such as, insects, worms, mites, and non-living things; such as, needles and pins.

Some people are so afraid of insects and mites that they seal off their windows, vacuum and sweep several times a day; and feel anxiety outside their “cleansed” residences.