Largusoperla billwymani Sroka et al., 2018

Largusoperla billwymani Sroka et al. 2018 . PeerJ, 6 (e5354): 16. Specimen status: male holotype, SMNS BU-229 (SMNS).

Remarks. Largusoperla billwymani appears similar to L. borisi . However, the apical segment of maxillary palp is shortened in L. billwymani but elongated in L. borisi; RP of forewing has four branches in L. billwymani but has three branches in L. borisi; paraproct is thick, marginally sclerotized with blunt apex in L. billwymani, but is thin, completely sclerotized with triangular apex in L. borisi (Table 1).