Key to the species of Gallerucida singularis species group

1. Thoracic ventrites reddish brown, three black spots near elytral apex (Figs 1–2); lateral endophallic sclerites with baso-lateral apophysis (Figs 9–10).................................................................. G. singularis Harold

- Thoracic ventrites black, two black spots near elytral apex (Figs 3–6); lateral endophallic sclerites absent or without baso-lateral apophysis (Figs 11–14).............................................................................. 2

2. Pronotum reddish brown or yellowish brown; two black spots near elytral humerus; abdominal ventrites black but laterally yellowish (Figs 5–6); lateral endophallic sclerites present (Figs 13–14)................................. G. gebieni Weise

- Pronotum black; one black spot near elytral humerus; abdominal ventrites reddish brown (Figs 3–4); lateral endophallic sclerites absent (Figs 11–12)................................................................... G. h a ro l d i Weise