Taxon classification Animalia Trichoptera Hydroptilidae

Oxyethira (Pacificotrichia) mouirange sp. n. Figs 47-49, 102

Diagnosis .

A member of Pacificotrichia subgenus, but distinguished from other species by males with discrete, elongate, sub-triangular gonopods.

Description

male. Antennae with 24-25 flagellomeres; flagellomeres without sensilla placodea, rectangular in profile; anterior wing length 1.6-1.7 mm (n=2); tibial spurs 0,3,4; abdominal sternite VII with small sharp median spur.

Male, genitalia. In ventral view with abdominal segment VIII ovoid, apical margin with wide V-shaped excavation medially; without midventral apodeme; in lateral view, with apical margins broadly rounded; abdominal segment IX almond shaped. Gonopods sharply triangular; subgenital processes fused, forming subtriangular plate that is sharply triangular in lateral view; setose lobes less than half length of plate. Phallic apparatus extremely long, apically bifid, split into two equal-length sections.

Material examined.

Holotype. Male (on slide), New Caledonia, Province Sud, Monts Kwa Ne Mwa, on road between Noumea and Yaté, 2.0 km E Pic Mouirange, 22°12.356'S, 166°40.798'E, 220 m, 7-16.xi.2003, Malaise trap, loc#014, leg. K.A. Johanson (MNHP).

Paratypes. 2 males (on slides, one headless), collection data as for holotype (NHRS); 1 male, Province Sud, Sarraméa, Xwê Wya River, 21°38.318'S, 165°51.582'E, 127 m, 17-18.i.2004, light trap, loc#121, leg. K.A. Johanson (NHRS).

Etymology.

Named for Mt Mouirange near which the type was collected.

Remarks.

Taken only at two well-separated sites in the south of the island (Fig. 102).