Observation identifies a new peyritschiella species in staphylinidae, highlighting Laboulbeniales diversity in Mexico.
One new species of Laboulbeniaceae, Peyritschiella styngeti, is described and illustrated. It is characterized by appendages with a black constriction at the base, perithecia with four papillae on the apical zone, cruciform bilateral symmetry, and an extremely melanized receptacle. This species was observed on the stylus of the staphylinid Styngetus deyrollei, which is distributed in tropical montane cloud forests in Mexico. Currently, the Laboulbeniales mycobiota in Mexico comprises 82 species, with 11 described growing on species of the Staphylinidae family. Additionally, a compilation of the Laboulbeniales species reported for Mexico and for Staphylinidae species is presented.
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Ortiz-Pacheco et al. (2025) studied this question.
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