Heteragrion lencionii Vilela, Farias & Santos, 2021

(Figs. 45a–d)

[Key locator: Key to Group A species, couplet 16’]

Heteragrion lencionii: Vilela et al. 2021: 476–482 (diagnosis and description of ♁; comparison with H. aurantiacum, H. cinnamomeum and H. silvarum; figs. 1a–c, 2a–b).

Material examined. 1♁ (HOLOTYPE), BRAZIL, Sergipe, Areia Branca, Serra de Itabaiana National Park, (-10.7484, -37.3390, 179 m asl), 7.xii.2020, A.B. Farias & A.E. dos Santos leg, UFS; 1♁ (PARATYPE) , same data as holotype, FAAL; 4♁♁ (PARATYPES), Brazil, Sergipe, Capela, Mata do Junco Wildlife Refuge, (-10.5379, - 37.0589, 120 m asl), 14.xii.2020, A.B. Farias & J.C. Santos leg., UFS; 1♁ (PARATYPE) Brazil, Sergipe, Capela, Mata do Junco Wildlife Refuge, (-10.5427, -37.0512, 120 m asl), 14.xii.2020, A.B. Farias & B. dos Santos leg., UFS; 1♁ (PARATYPE) , Brazil, Sergipe, São Cristóvão, Federal Institute of Sergipe, (-10.9198, -37.1862, 30m asl), 3.xii.2020, A.B. Farias & A.E. dos Santos leg., FAAL .

Known distribution. Brazil (Center-Northern Sergipe state).

Diagnosis and remarks. This species is morphologically close to and in some areas sympatric with H. aurantiacum, from which it differs mainly by the ML morphology and overall body coloration. The following character combination distinguishes this species from the remainder of Group A species: BP not greatly expanded or dilated ventrally; ML formed by a broad plate (Figs. 45c–d); ML ridge short, not reaching its apex (Fig. 45d); ML apex rounded (Fig. 45d).