Spininola yongdingensis Huang & Yu & Hu 2021, sp. nov.

Spininola yongdingensis sp. nov.

(Figs 1–3)

Type material. Holotype. male, Yongding District, 339 m, Zhangjiajie, Hunan Prov., 14.viii.2020, coll. Yanqing Hu & Yong Yu. Paratype. 1 male, with the same data as the holotype.

Diagnosis. Spininola yongdingensis is very similar to S. longshengensis Hu, Yu & Wang, 2019 (Figs 4–6) in its external features, but the two species can be distinguished by the following differences: The new species has a grayish forewing ground color, a grayish black stripe along costal margin from the medial line to the wing base, a distinct and black antemedial line and a feeble postmedial line. Spininola longshengensis has a grayish brown forewing ground color, a brown and black stripe along costal margin from the medial line to the wing base, a feeble antemedial line, and a distinct postmedial line. In the male genitalia, S. yongdingensis has a thin and basally wide uncus, a straight dorsal lobe of the valva, a bent at 90-degree and round apically harpe, and a straight aedeagus. Spininola longshengensis has a tapered uncus, a curved dorsal lobe of the valva, a V-shaped and pointed apically harpe, and a curved aedeagus.

Description. Adult (Fig. 1). Wingspan 16 mm. Head grayish with black hairs; antenna grayish brown, bipectinate in male; labial palpus short, stretched forward, mostly covered with grayish scales. Thorax grayish brown, collar grayish. Abdomen blackish brown. Forewing ground color grayish, costal margin grayish black from the medial line to the wing base, terminal and subterminal areas mostly grayish brown; basal line poorly visible; antemedial line black, just present at cell area; medial line poorly visible; postmedial line black, sinuous; subterminal line blackish brown, undulate; terminal line grayish brown; cilia blackish brown. Hindwing unicolorous, grayish brown; discal spot pale black.

Male genitalia (Figs 2 & 3). Uncus distally slender, pointed at apex, almost as long as the spine bearing at top of ventral lobe of the valva; tegumen thin, about 4 times as long as uncus; valva divided at base, dorsal lobe longer than ventral lobe; dorsal lobe broad distally, slender at base, sclerotized at costal margin; ventral lobe with parallel margin, two spines at apex, sclerotized at ventral margin; harpe robust, basally bent at 90-degree, round at apex; sacculus 2/3 as long as the ventral lobe of the valva; saccus wide and U-shaped. Aedeagus straight; vesica without cornuti.

Female. Unknown.

Distribution. China (Hunan).

Etymology. The species name is derived from the name of the type-locality of the new species.