Eupithecia divertenta sp. n.

(Figs 7, 22, 29)

Type material: Holotype, ♂, China, NW. Sichuan, near Derge, 31°49ʹ12ʺ N, 098°34ʹ59ʺ E, 4.7.2019, H— 3400 m, leg. Butvila & Saldaitis. Gen. prep. J. Procházka 20055, photo J. Šumpich 22013 (NMPC).

Diagnosis. This species belongs to the fletcherata species-group. Distinguished from other allied species by the shape of valve with a broadly rounded ventral angle, very broad vinculum with a broad and shallow hollow, and large, elongate and broad cornutus with rounded apex in the male genitalia.

Description. Adult. (Figs 7, 22). Male. Wingspan 24 mm; fore wing 12 mm. Head and notum covered with ochreous scales. Fore wing rather elongate, with costal margin slightly convex near base, and apex relatively narrow. Ground colour brownish; antemedial line angled near discal dot; postmedial line oblique, curved near costal margin; terminal area brown, slightly darker; discal dot large, ovoid, black. Hind wing ovoid, pale brownish with visible small, black discal dot.

Male genitalia (Fig. 29). Uncus short, stout, biapical with wide heart-shaped base. Valve rather short and broad with broadly rounded apex; dorsal margin slightly concave; ventral margin sclerotized, broadened at the middle with a broadly rounded angle. Vinculum short and very broad with a broad and shallow medial hollow. Papillae on the anterior arms of the labides rather short and broad, covered with normal-sized setae in apical half. Aedeagus large, stout with slightly broadened anterior end. Vesica with large, long and broad cornutus with rounded apex and one smaller folded, irregular cornutus at ductus ejaculatorius base. Sternite A8 narrowly rectangular, broadened and bilobed at base with two narrow, pointed, sclerotized apical horns and a very deep basal hollow.

Female. Unknown.

Bionomy. Host plant unknown. Type material was collected by light in early July at an elevation of 3400 m (Fig. 44).

Distribution. China (Sichuan province).

Note. The single type specimen is worn.

Etymology. From Italian word “divertente” – “funny” in English.