Epeorus lahaulensis Kapur & Kripalani, 1963

Vasanth, M., Selvakumar, C., Subramanian, K. A., Sivaramakrishnan, K. G. & Sinha, Bikramjit, 2021, Contribution to the study of Epeorus Eaton, 1881 (Ephemeroptera: Heptageniidae) from India, Zootaxa 4991 (3), pp. 499-522 : 516

Epeorus lahaulensis Kapur & Kripalani, 1963

Diagnosis: The species Epeorus lahaulensis can be identified by the following combination of characters: in subimago (i) abdominal tergites brownish, each tergum darker posteriorly, sterna much paler; (ii) gonostyli 3 segmented, first segment longest, second segment slightly longer than third; (iii) margin of genital base convex; and (iv) penis long, broad apically and slightly divergent laterally, spines present ventrally just below the apex.

Distribution: Known only from the type locality, Sissu, Lahaul Valley, Himachal Pradesh.

Remarks: The subimago of this species was described from Himachal Pradesh by Kapur & Kripalani (1963). Adult and larval stages are unknown. Therefore, any subgeneric attribution is not possible.