. . . . . . . . . "Libellula luctuosa" . . "Erythemis simplicicollis" . . "ym1760. 2015. Libellula luctuosa predator of odonate Erythemis simplicicollis. iNaturalist.org. Accessed at <https://www.inaturalist.org/observations/9885808> 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." .