Nemophora toxopeusi Kozlov, sp. nov.

(Figs. 6, 15)

Holotype ♀: Indonesia, New Guinea, Irian Jaya, approx . 60 km NE of Wamena (approx. 3o30'S, 139o11'E); labelled: 8 mm circle with red margin, print ‘Holo- | type’; 6 × 18 mm, print + black ink ‘ Neth. Ind. - American | New Guinea Exped. | Araucaria Camp 800 m | 20.iii.1939 L. J. Toxopeus’; 7 × 16 mm, black ink + print ‘ Adelidae | Gen.? Spec.? | 1949 | det. A. DIAKONOFF’; 7 × 15 mm, print ‘ HOLOTYPE ♀ | Nemophora toxo- | peusi Kozlov’; 7 × 14 mm, print ‘ RMNH .INS [data matrix] | 910286’ (RMNH).

Etymology. Named after Lambertus Johannis Toxopeus (1894–1951), a Dutch lepidopterologist, who collected the holotype.

Diagnosis. From all species of N. kalshoveni species-group differs by white apical segment of PLB that contrasts to brown basal segments, by white oblique stripe reaching 0.7 × forewing width and by glossy silver spot around wing apex.

Description. Male unknown.

Female (Figs. 6, 15). FWL 5.7 mm, WLR 0.37. Vertex light brown to dark bronze; frons dark bronze. PLB short, dark brown, apical segment white. Proboscis dark brown. Antenna 1.5 × FWL. Scape and base of flagellum dark bronze; flagellum up to 0.9 × FWL thickened by dark bronze scales; basal and apical thirds of flagellum outside the thickened part of it are white, whereas the medial third is brown. Tegulae and thorax brown. Forewing light brown; the area between 0.20 and 0.55 × FWL suffused with both dark brown and white scales (approximately in 5:1 ratio). The largest concentration of white scales occurs approximately at 0.3 × FWL near the costa. Apical part of forewing dark brown; oblique stripe straight, white, reaches 0.7 × forewing width; wing apex between the veins RS1 and M1 with glossy silver spot not touching wing margin. Fringe dark brown. Legs (only mid and hind legs present) bronze; first tarsomere white both basally and apically; tips of other tarsomeres white.

Distribution (Fig. 9). Indonesia (Irian Jaya).

Comments. The specimen is worn; hindwing and abdomen are missing.