Indonemoura tricantha, Sivec & Stark, 2010

Sivec, Ignac & Stark, Bill P., 2010, Eleven New Species Of The Genus Indonemoura Baumann (Plecoptera: Nemouridae) From Thailand And Vietnam, Illiesia 6 (14), pp. 210-226 : 225

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 .

Figures

Figs. 51-53. Indonemoura tricantha. 51. Male teminalia, oblique lateral aspect. 52. Male epiproct, dorsal aspect. 53. Male terminalia, ventral aspect.