Obscura niasiensis Fibiger

FIBIGER, MICHAEL, 2010, Revision of the Micronoctuidae (Lepidoptera: Noctuoidea) Part 3, Taxonomy of the Tactusinae, Zootaxa 2583 (1), pp. 1-119 : 70-71

Obscura niasiensis Fibiger , new species

( Plate 8 , figure 6)

Material examined. Holotype: male, Indonesia, S Nias Island - near Sumatra, ¤- 8 km S Hilisimaetanoe, 200 m, 22.iv.–2.v.1972, leg. Roesler & Küppers, coll. ZSM.

Diagnosis. Imago (external). Wingspan: 9 mm.

Head, patagia, anterior part of tegulae, prothorax, basal part of costa, and costal part of medial area: blackish brown, costal-medial area quadrangular.

Forewing ground colour: light brown; medial and subterminal area dark brown; fringes basally beige, outwards dark brown (apo.).

Crosslines: all lines indistinct, brown, except terminal line marked by brown interneural dots (apo.).

Reniform stigma: ovoid, beige, brown outlined.

spot.

Male and Female genitalia. Abdomen lost. Female unknown.

Differential diagnosis. O. niasiensis differs from other Obscura species in:

- dark-brown medial and subterminal areas;

- colouration of forewing fringes;

- indistinct, brown crosslines;

- ovoid, brown-outlined reniform stigma.

Distribution. O. niasiensis known only from Nias Island, near Sumatra, Indonesia.

Figures

PLATE 8. Figures 1–8. Clarior and Obscura species, adults. 1, Tantulius belli, female holotype, abdomen lost, India S, Kawar; 2. Asylemissa comma, male holotype, NE Thailand, Chaiyapumh Distr.; 3, Clarior kitchingi, male holotype, Thailand N, Dot Phu Kha Nat. P.; 4, Obscura lateraprocessa, female holotype, Indonesia, N. Sumatra; 5, O. clarus, male holotype, Indonesia, West Sumatra; 6, O. niasiensis, male holotype, Indonesia, S Nias Isl.; 7, O. fragilis, female holotype, Thailand NW, Mae Hong Son; 8, O. davisi, male paratype, Sri Lanka, District, Chundikkulam Sanct.