Xizangocerus gyirongensis Xue & Zhang, 2025

Xizangocerus gyirongensis Xue & Zhang sp. nov.

( Figs 6A–N View FIGURE 6 , 12A–F View FIGURE 12 )

Description. Length (including wings): male 4.3–4.4 mm, female 4.3 mm.

Crown with black markings between black spot and midline ( Fig. 6C View FIGURE 6 ). Face black between eyes except medially; lorum and anteclypeus black ( Figs 6D, 6F View FIGURE 6 ). Male gena black except outer margin yellowish; frontoclypeus black, with tapered yellowish markings in middle and pair of black rectangular markings basally ( Fig. 6D View FIGURE 6 ). Female gena yellowish except inner margin black; frontoclypeus mainly yellowish, with pairs of longitudinal broad markings on either side of midline and a pair of rectangular markings basally ( Fig. 6F View FIGURE 6 ). Mesoscutum with two black spots apically ( Figs 6C, 6E View FIGURE 6 ).

Male genitalia. Segment X internal process tapered distally, apex pointed ( Fig. 12A View FIGURE 12 ). Style serrated on apical half of ventral margin, apex with a row of short and fine setae ( Fig. 12F View FIGURE 12 ). Connective short, wider than long, anterior median lobe present ( Figs 12B–C View FIGURE 12 ). Aedeagus stout, with pair of slender and short processes basally on dorsal margin; aedeagal shaft tubular ( Figs 12D–E View FIGURE 12 ).

Type material. Holotype, ♂, China, Xizang Autonomous Region, Shigatse City, Gyirong Town , Gyirong Port , 2022.vii.20, 1650m, at light, coll. Qingquan Xue ( NWAFU) ; Paratypes, 6♂♂ 1♀, same data as holotype ( NWAFU) .

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

Remarks. This species differs from Xizangocerus chayuensis sp. nov. in its aedeagus with a pair of processes basally and tubular apex.