Simpligena auromarginea, Aarvik, Leif, 2025

Simpligena auromarginea sp. nov.

urn:lsid:zoobank.org:act:36A53814-B597-41FF-B6A2-C37305F30658 Figs 1–3 View Figure 1 View Figure 2 View Figure 3

Type material:

Holotype: ♂, Tanzania: Morogoro District; Kitulangalo Forest Reserve , 420–540 m; 6.xii.1992; leg. L. Aarvik. Genitalia slide 2854 L. Aarvik, coll. NHMO.

Paratypes: 1♂, 2♀♀, same data as holotype, genitalia slide ♀ 2855 L. Aarvik , genitalia slide ♂ 4449 NHMO . 1♂, same data as holotype, but collected 1.i.1993. All paratypes in NHMO .

Diagnosis: Externally easily recognizable in the falcate forewing which apart from the conspicuous yellow termen, is plain brownish-grey.

Description:

Head: As for the genus; brownish-grey; labial palp white; antenna brownish-grey on upper side, light brown on underside.

Thorax: Brownish-grey.

Legs: Cream-coloured, tarsi with grey rings.

Wingspan: 10–12 mm.

Forewing: Broad; costa slightly concave sub-apically; termen notched below apex, giving the wing a falcate shape, termen convex below notch. Colour brownish-grey; costal strigulae present as short, oblique thin lines along costa, with brown scaling between the light streaks; terminal area yellow; thin brown line along terminal wing margin from apex to beyond middle of termen. Cilia yellow, darker at apex and grey at tornus. Hindwing coloured as forewing ( Fig. 3 View Figure 3 ).

Abdomen: Brownish-grey on upper side, underside pale yellow.

Male and female genitalia: As described for the genus.

Ecology: Foodplant unknown. The collecting site is inside a coastal lowland forest which remains green also during the dry season; it is surrounded by Brachystegia -woodland where trees are deciduous.

Distribution: Known from eastern Tanzania.

Etymology: The species name refers to the yellow terminal area in the forewing.