Heteragrion pemon de Marmels 1987

de Marmels 1987. On the type specimens of some Neotropical Megapodagrionidae, with a description of Heteragrion pemon spec. nov. and Oxystigma caerulans spec. nov. from Venezuela (Zygoptera). Odonatologica, 16(3) 1987: 225-238