Key to Chinese species of the Encarsia inaron -group (females)

1 Head largely yellowish.................................................................................2

- Head yellowish-brown, orange-brown or dark brown.........................................................4

2 Mesosoma and metasoma almost entirely yellowish; ovipositor about as long as mid tibia (0.99–1.09×); third valvula longer than half length of clava (0.56–0.65×).......................................... E. dongbeiana Li & Geng, sp. nov.

- Mesosoma not entirely yellowish, either yellowish-brown or partly brown to dark brown; metasoma colour variable; ovipositor distinctly shorter than mid tibia (0.77–0.79×); third valvula shorter than half length of clava (0.39–0.41×)...............3

3 Mesosoma yellowish-brown; basal cell with 9–11 setae; F1 1.83–1.85× as long as wide........ E. imiza Li & Geng, sp. nov.

- Mesosoma yellowish with brown on sides of mid lobe of mesoscutum, on side lobes, scutellum, and axilla; basal cell with 6 setae; F1 2× as long as wide.................................................. E. polymacula Li & Geng, sp. nov.

4 Head yellowish or orange-brown to dark brown; mesosoma largely brownish; metasoma yellow with T1 dark brown across base; reticulate sculpture of mid lobe, axillae and scutellum with distinct internal sculpture (= reticulations aciculate) (Fig. 1); stemmaticum pale; [male with F5–F6 partly fused]................................................ E. azimi Hayat

- Head dark brown; mesosoma largely dark brown; metasoma colour variable (Figs 24–26); reticulate sculpture of axillae and scutellum with very faint internal sculpture (Figs 27, 28); stemmaticum dark; [male with F5–F6 separated]..................................................................................................... E. inaron (Walker)