Indonemoura tricantha sp. n. (Figs. 51-53) Material examined. Holotype ♂ from Tonkin [Vietnam], Frustorfer (NMW). Adult habitus. General color dark brown. Other details obscured due to specimen condition. Male. Forewing length 7 mm. Epiproct constricted in basal third, broader in apical third and slightly notched at apex in dorsal aspect (Fig. 51-52); ventral sclerite in lateral aspect produced into a prominent, semicircular structure armed with numerous spines (Fig. 51). Outer lobes of paraprocts heavily sclerotized, terminating in three prominent spines (Figs. 51, 53); mesal lobe sclerotized in basal half, and bearing a truncate apical point and a laterally directed acute point.. Tergum 10 with a patch of small anterior spines and tergum 9 with midlateral patches of small spines on either side of median U-shaped membranous area. Vesicle narrow basally, larger in apical half and slightly narrowed near apex (Fig. 53); hypoproct short and triangular in outline. Female. Unknown. Larva. Unknown. Etymology. The species name refers to three acute processes on the outer paraproct lobes. Diagnosis. See above under I. clavata.

Published as part of Sivec, Ignac & Stark, Bill P., 2010, Eleven New Species Of The Genus Indonemoura Baumann (Plecoptera: Nemouridae) From Thailand And Vietnam, pp. 210-226 in Illiesia 6 (14) on page 225, DOI: 10.5281/zenodo.4759796