Mycena citricolor is a tropical basidiomycte, which has become an economically lost to coffee plantations. The fungus infects coffee plants producing delicate yellow mushrooms, which fruit directly from leaves and agar Perti-dish cultures. Mycena citricolor prefers cool, moist conditions (Heyner Vaula, pers. comm.)

Many researches about Mycena citricolor has been conducted, and many findings have lead successfully to control it. It has been found that the regulation of shadow is really necessary through thinning out and pruning. Significant results for fungus infected leaves suggest a higher prevalence of M. citricolor on shade‐grown coffee plants.

Mycena citricolor can be also controlled chemically through fungicides. The best products for treatments include pyracarbolid plus copper, oxychloride, triadimefon plus cuprous oxide and the alternating mixtures, cuprous oxide plus manganese sulphate and maneb plus zineb, copper. Some suggested treatments consist of using oxychloride of copper 50%, Dacomil in 500 g/100 l of water, or Urbacid 30 a 40 g/100 l of water with 50 cc of adherent.