Key to species of genus Eumantispa from mainland China

1. Elongated tubular section of prothorax yellow............................................................................................................. 2

- Elongated tubular section of prothorax dark brown (Fig. 18); mediuncus long and thin and apex obviously branched (Fig. 13).................................................................................................................................................. fuscicolla Yang

2. Broad anterior section of prothorax mostly brown, posterior margin of vertex with brown spot ................................ 3

- Broad anterior section of prothorax yellow, posterior margin of vertex without spot (Fig. 17); mediuncus long and thin and apex deeply branched (Fig. 10)................................................................................................... tibetana Yang

3. Fore coxa with a pair of black spots, femur with big black spot on inner side in males and short black stripe in females (Fig. 15); mediuncus widened around base and apex slightly bilobate (Fig. 4) ....... pseudoharmandi sp. nov.

- Fore coxa and femur without spot (Fig. 16); mediuncus long and thin and apex slightly branched (Fig. 7)................. ........................................................................................................................................................... harmandi (Navás)