Diagnostic description.

Male. Body size 4.0 (4.0–5.0) mm, fore wing length 3.3 (3.5–4.0) mm (Fig. 51); colouration black except mandibles, scape, pedicel, fore and mid legs yellow, flagellomeres and hind legs dark brown, metasoma dark brown except cream patch dorsal margin T1; forewings hyaline (Fig. 52G), hind wing veins spectral; head shape quadrate, width 1.4 (1.3–1.4) × length, postocular space 0.6 (0.5–0.6) × eye length in dorsal view (Fig. 52C), raised transverse carina above toruli absent, malar space 0.2 (0.3–0.4) × height of eye (Fig. 52E); length of scape 1.2 (1.1–1.2) × length of pedicel, 1st flagellomere 1.1 (1.1–1.4) × length of scape, 0.6 (0.6–0.7) × 2nd flagellomere; mesosoma length 1.5 (1.4–1.5) × height, mesoscutum in lateral view rounded antero-dorsally (Fig. 52D); mesoscutum length 0.8 (0.8) × width in dorsal view (Fig. 52E); medial lobe rugulose; 2-Rs+M 1.2 (1.3–1.5) × 1-Rs+M, three hamuli, equidistant (Fig. 52G); metasoma clavate; T1+T2 length 3.3 (2.3–2.5) × width in dorsal view.