1.	Hind tibia and apical half of metasoma black (Figs 455, 406, 409, 418, 458); basal half of pterostigma dark brown or blackish	2
–	Hind tibia (except apically) and apical half of metasoma yellowish-brown (Figs 427, 436, 446); basal half of pterostigma yellow or largely so	6
2.	First metasomal tergite with coarsely rugose glymma and with distinct dorso-lateral carina above spiracle (Fig. 457); notum of second tergite 1.5–1.6 times as long as wide apically (Fig. 457); [first tergite black and 3–4 times as long as wide; hind coxa rugose dorsally]	Zelodia longidorsata (Bhat & Gupta, 1977)
–	First tergite with smooth glymma or glymma absent and without distinct dorso-lateral carina above spiracle (Figs 408, 409, 423); notum of second tergite about as long as wide apically (Figs 412, 423)	3
3.	First metasomal tergite distinctly widened apically and 1.7–1.9 times as long as wide apically (Figs 408, 462); length of malar space 2.0–2.2 times basal width of mandible; head comparatively long in anterior view (Figs 407, 465); propodeum and first tergite black	4
-	First tergite parallel-sided and 3–4 times as long as wide apically (Figs 412, 423); length of malar space 1.1–1.5 times basal width of mandible; head comparatively short in anterior view (Figs 414, 424); colour of propodeum and first tergite variable, often pale yellowish or ivory	5
4.	Hind coxa distinctly punctate-rugose (Fig. 408); first metasomal tergite black and with some punctures near apex of tergite sublaterally (Fig. 408); ocelli medium-sized	Zelodia absoluta (Chen & Yang, 1998)
–	Hind coxa mainly punctate (Fig. 458); first tergite pale yellowish or ivory and without punctures near apex of tergite sublaterally (Fig. 458); ocelli small (Fig. 466)	Zelodia microcellata sp. n.
5.	Propodeum, first and second tergites pale yellowish or ivory (Fig. 409); hind coxa rugulose dorsally and dark brown; head yellowish-brown; middle tarsal spurs similar in colour to pale yellowish middle tarsus	Zelodia albobasalis sp. n.
–	Propodeum, first and second tergites black (Fig. 418); hind coxa punctate dorsally and black; head black; middle tarsal spurs dark brown and contrasting with whitish middle tarsus	Zelodia anginota sp. n.
6.	Apical half of pterostigma yellow (Fig. 450); length of malar space 1.3–1.6 times basal width mandible (Fig. 453); OOL 1.0–1.2 times POL (Fig. 452)	Zelodia flavistigma sp. n.
–	Apical half of pterostigma dark brown (Figs 430, 440); length of malar space 2.4–3.0 times basal width mandible (Figs 434, 445); OOL 1.6–2.0 times POL (Figs 433, 444)	7
7.	Hind femur comparatively robust (Fig. 441); hind coxa and femur and more or less scapus and pedicellus yellow; hind femur weakly rugose or rugulose ventrally	Zelodia brevifemoralis sp. n.
–	Hind femur slender (Fig. 431); hind coxa, femur, scapus and pedicellus dark brown or largely so; hind femur coarsely rugose ventrally	Zelodia bicoloristigma sp. n.