Heteragrion gracile: Ribeiro et al. 2021: 176 (misidentification, list of odonates from Bahia state).

Heteragrion roquei: Vilela et al. 2022: 493–500 (description and diagnosis of ♁; figs. 1a–b, 2, 3a–b, 4a–b, 5d).

Material examined. 1♁ (HOLOTYPE) BRAZIL, Bahia state, Municipality of Una, Fazenda Araruna, 19.ix.2019, (-15.3146, -39.1621, 40m asl), M.E. Rodrigues leg., UESC; 1♁ (PARATYPE) same data as holotype, but (-15.3101, -39.1621), FAAL .

Known distribution. Brazil (Southern Bahia state).

Diagnosis and remarks. The following character combination distinguishes this species from the remainder of Group A species: posterior margin of upper plate long, bearing a row of strong teeth, anterior margin short (Fig. 58c); in lateral view, ML bent downwards (Fig. 58d); ML apex roughly squared (Fig. 58c).