Nemophora litangensis Liao, Hirowatari & Huang, 2023

Liao, Cheng-Qing, Hirowatari, Toshiya, Yagi, Sadahisa, Wang, Min, Wang, Xing & Huang, Guo-Hua, 2023, The fauna of the family Adelidae (Insecta, Lepidoptera, Adeloidea) from China, Zootaxa 5348 (1), pp. 1-152 : 65-66

(76) Nemophora litangensis Liao, Hirowatari & Huang , sp. nov.

(Plates VIII-2, XVIII-6)

LSID urn:lsid:zoobank.org:act:CC307B9D-D3C3-4EB1-BA65-B53E175421D9

Diagnosis. This new species is very unique in having the transverse central fascia of the forewing almost completely interrupted at the middle and forming two large spots, the anterior one near quadrilateral and the posterior one near triangular. In addition, the forewing of this species is unique in the yellow subapical area, with some indistinct radial striae and basal half with two yellow longitudinal striae.

Description. Male. Forewing about 11.0 mm; wing expanse about 23.1 mm.

Vertex covered with black hairs mixed with pale yellow; face with smooth black scales. Eyes very small, far away to each other dorsally; eye size index about 0.5. Labial palpus short, covered with black and yellow hairs; galeae with yellow scales laterally. Antenna slender, 34.3 mm, about 3.1 × forewing length; black, apical part slightly light color. Legs dark brown to black with yellow inner surface of each tibia; hind tibiae with brown to dark brown long hairs. Thoracic dorsum and tegula dark brown to black, with purple metallic luster. Forewing lanceolate, length about 3.6 × width; ground color dark brown and black, with blue metallic luster on some places; basal half with two yellow longitudinal striae placed at subcostal and postcubitus veins; transverse central fasciae almost completely interrupted at middle and formed two large spots, which the anterior one near quadrilateral and the posterior one near triangular; subapical area with 7–8 black radial striae reaching outer margin, sometimes indistinct apically; cilia dark brown to black; vein R 3 stalked with R 4 at basal 2/3. Hindwing black except basal anterior part yellow; cilia dark brown to black; Rs stalked with M 1 at middle. Abdomen black dorsally and yellow to brownish ventrally.

Female. Unknown.

Male genitalia. Uncus triangular, with weak median keel. Vinculum moderate in size, about 2.5 × as long as valva. Valva triangular, with blunt apex; inner margins slightly curved, lateral margins nearly straight; sacculus distinctly expanding at basal part, close to each other, fused basally; suspensorium nearly quadrate, anterior part slightly beyond posterior margin of vinculum in ventral view. Transtilla wide laterally and narrow medially; median process short and pointed, with a pair of broad anterior angles laterally. Aedeagus slender; basal 1/4 slightly curved dorsally; apical portion with a sclerotized bar ventrally; vesica with a lot of minute spinules dorsolaterally. Juxta arrow-shaped; arrow-head very long with blunt apex, lateral arms slender and short.

Holotype. [Sichuan] ♁, Litang County (3,800 m), Ganzi Tibetan Autonomous Prefecture , 2004.VIII.10, M.

Wang & L.S. Chen leg. ( HUNAU). Paratype. [Sichuan] 1♁, same data as Holotype ( HUNAU). Etymology. The specific epithet refers to the type locality, Litang County, Ganzi Tibetan Autonomous Prefecture ,

Sichuan, China. Distribution. China (Sichuan). Remarks. This species is endemic to Sichuan Province, China, and occurs in August.