Vilela, D.S., Cordero-Rivera, A. & Guillermo-Ferreira, R. (2019)

The female of Heteragrion icterops Selys, 1862 (Odonata: Heteragrionidae) with comments and key on the Brazilian females of Heteragrion group B

. Zootaxa, 4576 (1), 187–194.