Yarlungocerus linzhiensis Xue & Zhang, 2025

Yarlungocerus linzhiensis Xue & Zhang sp. nov.

( Figs 4A–E, 4O View FIGURE 4 , 11A–F View FIGURE 11 )

Description. Length (including wings): male 4.1–4.2 mm.

Crown brownish, medial area and area adjacent to eyes yellowish ( Fig. 4C View FIGURE 4 ). Face yellowish basally, with pair of black Y-shaped markings on either side of midline and surrounding ocelli; anteclypeus, inner half of lorum and gena, apical half of frontoclypeus and antennal pits black; outer half of lorum and gena yellowish ( Fig. 4D View FIGURE 4 ). Pronotum dark yellow, outer area dark brown; with pair of yellowish markings on either side of midline, dark brown markings around yellowish markings. Mesoscutum dark brown. Scutellum dark brown, except three vertex triangular yellow spots ( Fig. 4A View FIGURE 4 ).

Male genitalia. Segment X internal process tapered distally, apex hook-shaped ( Fig. 11A View FIGURE 11 ). Connective Y-shaped with anterior triangular lobe medially, longer than wide, anterior median lobe present ( Figs 11B–C View FIGURE 11 ). Aedeagus stout, anterior margin concave basally in lateral view; dorsal apodeme broadened in ventral view ( Figs 11D–E View FIGURE 11 ).

Type material. Holotype, ♂, China, Xizang Autonomous Region, Linzhi City , Motuo County, 2017.v.1, coll. Lin Zhou ( NWAFU) ; Paratype: 1♂, China, Xizang Autonomous Region, Linzhi City, Pailong Village , 2019.v.28, 1900m, coll. Lin Lu ( NWAFU) .

Etymology. The species epithet refers to the type locality where the species lives.