Ojo De Gallo Mycena Citricolor Apr 2026

It thrives in cool, humid, and high-elevation environments, which unfortunately overlap with regions producing high-quality coffee.

While most damaging to coffee, it can infect over 550 plant species across 80 families, including avocado, citrus, and various weeds, which often serve as "hidden" reservoirs of the pathogen. Environmental Impact & Distribution Ojo de gallo Mycena citricolor

Both the lesions and the fungus itself are bioluminescent, giving infected spots a faint glow in dark or shaded environments. It thrives in cool, humid, and high-elevation environments,

It is found throughout Latin America, including Costa Rica, Guatemala, Mexico, Colombia, and Brazil. It thrives in cool

The fungus uses oxalic acid to penetrate and macerate plant tissues, leading to severe defoliation and "shot-hole" patterns where the centers of old leaf spots fall out.