Largusoperla difformitatem Chen, 2018a

Largusoperla difformitatem Chen 2018a . Zootaxa, 4442(4): 573. Specimen status: male holotype, CZT-PLE-MA2 (ICJUST).

Remarks. Largusoperla difformitatem can be distinguished from congeners by the paraprocts asymmetrical, left paraproct subtriangular with sharp apex, widened at mid-length, right paraproct subtriangular with sharp apex, constricted at mid-length (Fig. 1, Fig. 2A). In addition, L. difformitatem has subapical angles on anterior margin of all wings, which is absent in other congeners.