Dragonflies (Odonata) From The Sierras Of Tapirapeco And Unturan, In The Extreme South Of Venezuela Author DeMarmels, Jurg text Acta Biologica Venezuelica 1992 14 1 57 78 journal article 10.5281/zenodo.3266063 39c9ce8d-d95d-467e-9590-ab184d952201 3266063 Erythemis haematogastra (Burmeister, 1839) Material. 1♂ , Base Camp . Remark. A few additional males were seen over rainwater pools in the large clearing between the Camp and the river.