This dataset contains the digitized treatments in Plazi based on the original journal article Bemmoussat-Dekkak, Soumya, Abdellaoui-Hassaine, Karima, Sartori, Michel, Morse, John C., Zamora-Muñoz, Carmen (2021): Larval Taxonomy and Distribution of Genus Hydropsyche (Trichoptera: Hydropsychidae) in Northwestern Algeria. Zootaxa 4915 (4): 481-505, DOI: https://doi.org/10.11646/zootaxa.4915.4.2