Heteragrion mantiqueirae Machado, 2006

(Figs. 49a–d)

[Key locator: Key to Group A species, couplet 18 (17’)]

Heteragrion mantiqueirae: Machado 2006: 1065–1068 (description of ♁, illustration of ♁ head, thorax dorsal and lateral, ♁ appendages in dorsal and lateral views; figs. 4, 8, 12, 17–18);— Garrison et al. 2010: 88 (list of Heteragrion species);— Lencioni 2013: 11 (synonymic list, types, distribution and diagnosis; figs. 19, 37a–c, 51c, 63, 69);— Lencioni 2017: 149–150 (general taxonomic information; distribution; figs. 73–74);—Ávila-Jr. et al. 2020: 128–129 (comparison with H. itacolomii; figs. 9c, g, k);— Stefani-Santos et al. 2021: 188–189 (description and diagnosis of ♀; fig. 6).

Material examined. 1♁ (HOLOTYPE) BRAZIL, São Paulo state, Campos do Jordão, State Park of Campos do Jordão, 25.i.1992, (1600 m asl), Mielke & Casagrande leg., ABMM (missing head and anal appendages); 1 ♁ São Paulo state, Salesópolis, 03.xi.2000, F.A.A. Lencioni leg., FAAL .

Known distribution. Brazil (states of Minas Gerais and São Paulo).

Diagnosis and remarks. This species is assessed as Vulnerable in the IUCN Red List, due to its limited range and presence in areas threatened with deforestation (Vilela & Guillermo-Ferreira 2021g). The following character combination distinguishes this species from the remainder of Group A species: ML forming a broad plate (Fig. 49c); ML ridge long, sinuous, reaching ML apex (Fig. 49c); in lateral view, BP only slightly expanded, ML visible, quite sinuous (Fig. 49d); ML wider than long, with rounded apex (Fig. 49c).