Key to Chinese species of Abaxisotima (based on males)

1 Cercus with inner subapical spine ................................................................................................................................ 2

- Cercus without inner subapical spine ........................................................................................................................... 3

2 Apex of cercus acute, with long inner subapical branch, apex hook-shaped (see Gorochov & Kang, 2002, Fig. 124) .......................................................................................................................................... A. furca (Gorochov & Kang)

- Apex of cercus comparatively blunt with one stout and short denticle, with long, thin, slightly s-shaped inner subapical branch, apex acute ................................................................................................................. A. spiniforma sp. nov.

3 Ventral area of lateral lobe of pronotum darkened; lateral part of tegmina brown or brownish green with light green stripe along anterior edge, without dark spots; cercus with a long subapical spine (Fig. 22) ......................................................................................................................................... A. bicolor (Liu, Zheng & Xia)

- Lateral lobe of pronotum almost uniform, not darkened; tegmina yellowish green with some dark spots. Cercus without long subapical spine......................................................................................................................................... 4

4 Apex of cercus with short acute spine; subgenital plate with deep notch on posterior margin, lateral lobe longer than half the length of subgenital plate ............................................................................... A. multipunctata (Kang & Yang)

- Apex of cercus with long acute spine; subgenital plate with shallow notch on posterior margin, lateral lobe shorter than half the length of subgenital plate ............................................................................... A. brevifissa (Wang & Liu)