. . . . . . . . . "Erythemis simplicicollis" . . "Pachydiplax longipennis" . . "jimmccormac. 2006. Erythemis simplicicollis predating Pachydiplax longipennis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9194761> on 05 Apr 2018." . . . . "http://iNaturalist.org is a place where you can record what you see in nature, meet other nature lovers, and learn about the natural world." .