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Can A Tiny Invasive Snail Help Save Latin American Coffee?

From: eurekalert.org

ANN ARBOR–While conducting fieldwork in Puerto Rico’s central mountainous region in 2016, University of Michigan 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.

Intrigued, they conducted field observations and laboratory experiments over the next several years and showed that the widespread invasive snail Bradybaena similaris, commonly known as the Asian tramp snail and normally a plant-eater, had shifted its diet to consume the fungal pathogen that causes coffee leaf rust, which has ravaged coffee plantations across Latin America in recent years.

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