Neoperla harpi Ernst & Stewart 1986

Neoperla harpi Ernst and Stewart Neoperla harpi Ernst et al. (1986).
Type locality. — Oklahoma, Delaware County, Battle Branch.
Regional distribution. — Watersheds 1, 2, 4, 8, 13, 14, 19, 21, 23, 25, 31, 34, 36, 38, 42-46, 48, 49, 53-57, 61-69, 71, 74, 77-80, 83, 85, 88, 89, 92, 100-102, 104, 108, 110, 116, 120, 124, 125 (Table 1).
The first description of the nymph is provided here:
NYMPH: (Fig. 241). General color pale yellow with brown pigmentation. Transverse band between antennal bases wide laterally, narrowing medially. Brown stripe from ocelli to anterior margin of eyes, closed yellow region anterior to ocelli. Pronotum with brown ring, yellow on lateral and posterolateral margins. Tibiae and femora with thick, brown hairs and short, stout, brown spinules.