Can a tiny invasive snail help save Latin American coffee?

Source: ScienceDaily

While conducting fieldwork in Puerto Rico’s central mountainous region in 2016, ecologists noticed tiny trails of bright orange snail excrement on the undersurface of coffee leaves afflicted with coffee leaf rust, the crop’s most economically important pest.

https://www.sciencedaily.com/releases/2020/01/200123090312.htm