Air pollution renders flower odors unattractive to moths | Max-Planck-Gesellschaft https://www.mpg.de/15329498/0904-choe-025591-air-pollution-renders-flower-odors-unattractive-to-moths?c=2249
Researchers showed that tobacco hawkmoths lost attraction to the scent of their preferred flowers when that scent had been altered by ozone. This oxidizing pollutant thus disturbs the interaction between a plant and its pollinator, a relationship that has evolved over millions of years.
responses of the moths in behavioral assays in a wind tunnel