This research activity focuses on the study of Anacroneuria fenestrata, a species of stonefly found in Colombia. The study aims to provide a detailed description of the species, including its morphology, behavior, and habitat. The research will involve the examination of holotype specimens and the collection of new data on the species' distribution and abundance. The findings of this study will contribute to a better understanding of the biodiversity of stoneflies in Colombia and will have implications for conservation efforts.