Heliaeschna trinervulata from Chingombe, Zambia: male (a–d) and female (e), with recognisable diagnostic morphological traits such as: relatively open venation (a, e) with a low number of cross-veins (e.g. Ax and Mx), the pale frons with a barely marked cross-bar of T-mark (b, e), wing bases without dark subcostal rays (a, e) but with distinct amber tint in the female (e) and shape of male cerci (c, d) (phot. B. Daraż).

  Part of: Bernard R, Daraż B (2018) New records of dragonflies (Odonata) in Zambia. African Invertebrates 59(2): 165-193. https://doi.org/10.3897/afrinvertebr.59.29021