Largusoperla arcus Chen et al., 2018

Largusoperla arcus Chen et al. 2018 . Zootaxa, 4378(4): 577. Specimen status: male holotype, NIGP167160 (NIGP).

Remarks. Largusoperla arcus has a rounded hammer, which was incorrectly illustrated as elliptical in Fig. 19 of Chen et al. 2018. This species can be distinguished from all other congeners by the paraprocts strongly sclerotized, distantly located and diverging in ventral view, gradually tapered to an unmodified sharp apex (Fig. 1; Fig. 19 in Chen et al. 2018).