Alcohols (including our favorite ethyl alcohol) will kill most if not all arthropods on contact. They absorb it through their exoskeleton and due to their open

Alcohols (including our favorite ethyl alcohol) will kill most if not all arthropods on contact. They absorb it through their exoskeleton and due to their open circulatory system the poison will spread quickly throughout the whole body. The lighter alcohols will evaporate quickly too, making them convenient and effective knockdown agents.