Nipponeurorthus tinctipennis Nakahara, 1958

Aspoeck, Ulrike, Aspoeck, Horst & Liu, Xingyue, 2017, The Nevrorthidae, mistaken at all times: phylogeny and review of present knowledge (Holometabola, Neuropterida, Neuroptera), Deutsche Entomologische Zeitschrift 64 (2), pp. 77-110 : 90

Nipponeurorthus tinctipennis Nakahara, 1958 Figs 4j; 12 j–m; 16

Nipponeurorthus tinctipennis Nakahara, 1958: 27 (odescr, figs: wing, gs male, female); Hayashi 2005 (list, distr, figs); U. Aspöck and H. Aspöck 2008b (fig: distrmap); Liu et al. 2014 (key, fig: distrmap).

Type locality.

Japan (Yakushima Island: Hananoegou and Muromidake).

Male.

Forewing length 9.1 mm, hindwing length 8.0 mm.

Head yellow. Antennae yellow. Mouthparts yellow; mandibles with brownish tips.

Thorax yellow; meso- and metanota laterally much darker. Legs yellow. Wings transparent, immaculate, with pterostigmatic areas pale yellow; veins mostly yellowish brown, with crossveins much darker, and with C, Sc and R pale yellow on forewings; veins mostly pale yellow, with longitudinal veins of distal half and some crossveins (i.e. 1r-rs, 2r-rs, and gradate crossveins) pale brown on hindwings.

Abdomen yellow, dorsally purplish brown. Gonocoxite 9 robust on proximal half, distal half strongly incurved; gonostylus 9 spinous. Complex of gonocoxites + gonostyli + gonapophyses 10 present as a pair of slender lobes, which are inflated distad and bear a tooth-like processus. Gonocoxites 11 present as a simple, transverse, sclerotized band; gonostyli 11 present as posteriorly bifurcated sclerite.

Female.

Forewing length 10.0 mm, hindwing length 9.0 mm.

Fused gonocoxites 8 flatly plate-like. Gonapophyses 8 subtriangular, largely covered by gonocoxite 8, lateral margins distinctly sclerotized.

Specimens examined and records published.

Supplementary material 1. Holotype male (by original description), Japan, "Hananoegou, Yakushima, 12 July 1954, Yosihiko Kurosawa" (NSMT).

Biology and ecology.

The adult has been taken in July. The known vertical distribution is 1800 m. The larva is unknown.

Distribution.

Japan (Yakushima Island).