Heteragrion brianmayi Lencioni, 2013

Vilela, Diogo Silva, Lencioni, Frederico A. A., Bota-Sierra, Cornelio A., Ware, Jessica L. & Bispo, Pitágoras C., 2023, Taxonomic revision of the Neotropical genus Heteragrion Selys, 1862 (Zygoptera: Heteragrionidae): male morphology, new species and illustrated key, Zootaxa 5356 (1), pp. 1-96 : 32

Heteragrion brianmayi Lencioni, 2013

( Figs. 18a–d )

[Key locator: Key to Group A species, couplet 25’]

Heteragrion brianmayi: Lencioni 2013: 15–16 (description of ♁ and ♀ from São Paulo state, Brazil; diagnosis, distribution and comparison with other species; figs. 27, 38d–f, 43a–c, 49a–b, 58b–c, 66–67, 76); Ávila-Jr. et al. 2017: 284 (comparison with H. cauei );— Lencioni 2017: 133–134 (general taxonomic information; distribution; figs. 60–61).

Material examined. 1♁ (HOLOTYPE) BRAZIL, São Paulo state, Caraguatatuba, Parque Estadual da Serra do Mar —Núcleo Caraguatatuba, 5.ii.2000, (-23.5933, -45.4186, 61 m asl), F.A.A. Lencioni leg., FAAL; 1♁ (PARATYPE) Ubatuba, 12.i.2011, F.A.A. Lencioni leg., FAAL .

Known distribution. Brazil (coastal areas of São Paulo state).

Diagnosis and remarks. The IUCN Red List has classified H. brianmayi as Data Deficient due to a paucity of information on its distribution and potential threats ( Vilela & Guillermo-Ferreira 2021b). The species is close to H. itacolomii and can be distinguished from this and the remainder of Group A species by the following combination of characteristics: BP ventral concavity not greatly expanded ( Figs. 18c–d ); ML upper plate narrow, longer than wide, ridge centered ( Fig. 18d ).

Figures

FIGURE 18. Heteragrion brianmayi: (a) anterior view of head; (b) lateral view of pterothorax; (c–d) mediodorsal view of cercus.