Select the most appropriate one-word substitution for the given group of words. 

Fear of itching or of insects causing itching.

Acarophobia

The most appropriate one-word substitution for the given group of words is acarophobia.

• Acarophobia is a specific phobia that is characterized by an intense fear of insects, especially those that cause itching. People with acarophobia may be afraid of all insects, or they may only be afraid of certain types of insects, such as spiders, ants, or bed bugs.
• Agyiophobia is a fear of crossing streets or bridges.
• Hydrophobia is a fear of water.
• Astraphobia is a fear of lightning and thunder.