Antennal segments 31, length of third segment 1.3 times fourth segment; third, fourth and penultimate segments 3.6, 3.3 and 1.4 times their width, respectively; length of apical segment 1.2 times as long as penultimate segment; length of maxillary palp 0.7 times height of head; malar space 2.7 times as long as basal width of mandible; temple short (Fig. 24), in dorsal view length of eye 4.6 times temple; ocelli in low triangle, POL:OD:OOL = 9:7:18 (Fig. 24); face with distinct fine punctures; frons shiny, smooth; vertex and temple shiny with sparse minute punctures (Fig. 24).

Length of mesosoma 1.5 times its height; subpronope shallow; pronotum largely smooth laterally, with sparse fine punctures dorsally; area near lateral carina of mesoscutumsparsely crenulate; lateral and middle lobes of mesoscutum sparsely and distinctly punctate, flat and smooth posteriorly; notauli complete, moderately crenulate anteriorly and narrowly crenulate posteriorly; scutellar sulcus 0.4 times as long as dorsal face of scutellum and with 4 carinae; scutellum slightly convex and distinctly narrowed with lateral carina, shiny with sparse fine punctures, subposterior crest curved (Fig. 17); precoxal sulcus rather deep, moderately crenulate (Fig. 18); mesopleuron below precoxal sulcus with sparse fine punctures; mesopleuron above precoxal sulcus largely smooth; metapleuron with large sparse punctures; propodeum closely reticulate-rugose; propodeal spiracle small, as long as wide.

Fore wing: second submarginal cell triangular (Fig. 21); vein SR1 straight; r:3-SR+SR1 = 6:63. Hind wing: vein M+CU 0.6 times as long as vein 1-M (Fig. 21).

Length of hind femur, tibia and basitarsus 3.2, 6.8 and 10.0 times their width, respectively; hind femur (as remainder of legs) with bristly setae; length of outer and inner spur of middle tibia 0.3 and 0.5 times middle basitarsus, respectively; apex of outer side of hind tibia with a cluster of 8 pegs; length of outer and inner spur of hind tibia 0.3 and 0.5 times hind basitarsus, respectively; tarsal claws without lobe (cf. Fig. 12).

Length of first tergite 1.4 times its apical width (Fig. 19); first tergite sparsely and rather coarsely longitudinally striate, dorsal carinae nearly complete; second tergite largely smooth, but transverse groove and area behind it striate; remainder of metasoma smooth (Fig. 19); ovipositor sheath 0.7 times as long as fore wing, slender (Fig. 16).

Orange brown; mouthparts yellow; antenna, frons and vertex dark brown; propodeum, third-eighth metasomal segments, hind coxa, trochantellus and femur black; hind tibial spurs yellow; first and second tergites ivory dorsally and white ventrally; hind tibia and tarsus dark brown, except yellow basal ring; veins and pterostigma dark brown, but pterostigma basally narrowly pale brownish; apical 0.4 of fore wing distinctly infuscate and remainder of wings slightly infuscate or subhyaline.

Antennal segments 29–31; second submarginal cell of fore wing with vein r-m absent or present; vein M+CU of hind wing 0.6–0.8 times as long as vein 1-M; second tergite with smooth or striate transverse groove; apical segment of antenna 1.0–1.2 times as long as penultimate segment; length of body 3.2–5.2 mm.

Antennal segments 36, length of third segment 1.1 times fourth segment, length of third, fourth and penultimate segments 4.4, 4.0 and 2.3 times their width, respectively; length of apical antennal segment 1.6 times as long as penultimate segment; maxillary palp 0.7 times height of head; malar space twice as long as basal width of mandible; in dorsal view length of eye 2.3 times temple; ocelli in low triangle, POL:OD:OOL = 8:7:21 (Fig. 34); face shiny, with distinct punctures; frons with a medial ridge, smooth (Fig. 34); vertex and temple shiny, with sparse minute punctures.

Length of mesosoma 1.4 times its height; subpronope shallow; pronotum largely smooth with sparse fine punctures dorsally; area near lateral carina of mesoscutum sparsely crenulate; lateral lobes of mesoscutum shiny with fine punctures anteriorly, flat and smooth posteriorly; middle lobe of mesoscutum with sparse punctures and largely smooth posteriorly (Fig. 28); notauli complete and finely crenulate; scutellar sulcus 0.4 times as long as dorsal face of scutellum and with 3 carinae; scutellum convex, rather long and narrowed posteriorly, without subposterior crest (Fig. 28); precoxal sulcus short, shallow and rugose (Fig. 27); mesopleuron below precoxal sulcus with sparse distinct punctures; mesopleuron above precoxal sulcus largely smooth, but with sparse fine punctures posteriorly; metapleuron largely punctate anteriorly with irregular rugosity posteriorly; propodeum with three complete apical carinae and enclosing a large reticulate-rugose area (Fig. 28); propodeal spiracle rather small elliptical, 1.5 times as long as wide.

Fore wing: second submarginal cell small trapezoid (Fig. 30); vein SR1 sinuate; r:3-SR+SR1 = 4:61. Hind wing: vein M+CU 0.7 times as long as vein 1-M (Fig. 30).

Length of hind femur, tibia and basitarsus 3.9, 7.5 and 10.4 times their width, respectively; hind femur (as remainder of legs) with short setae; length of outer and inner spur of middle tibia 0.4 and 0.5 times middle basitarsus, respectively; outer apex of middle tibia with a cluster of 10 pegs; outer apex of hind tibia with a cluster of 12 pegs; length of outer and inner spur of hind tibia 0.4 and 0.5 times hind basitarsus, respectively; outer side of hind coxa with sparse punctures, of hind femur with distinct punctures; tarsal claws without lobe (Fig. 35).

Length of first tergite 1.5 times its apical width, with dorsal and dorso-lateral carinae coarsely developed, dorsal carinae convergent, costate medially and posteriorly nearly up to apex of tergite (Fig. 29); first tergite sparsely but coarsely striate; second tergite 1.4 times as long as third tergite, large basal area on two thirds of tergite partly smooth, rugose-punctate and remainder densely striate (Fig. 29); remainder of metasoma smooth.

Brownish-yellow; antenna (but scapus yellow) brown; hind leg (but tibia with pale yellow basal ring) and metasoma dark brown or black (but basal area of second tergite ivory and first and second tergites white ventrally); pterostigma (except small pale brownish patch basally) and veins dark brown; wing membrane slightly infuscate or subhyaline, but apical 0.4 of fore wing rather infuscate.

Length of body 6.5–7.0 mm, of fore wing 6.0–6.1 mm; penultimate antennal segment subequal to apical segment; vein M+CU of hind wing 0.7–0.8 times as long as 1-M; POL:OD:OOL = 8:6–7:21; outer apex of hind tibia with 9–12 pegs.