Tennessen, K. J. 2026. “Description of the Nymphs of Nehalennia integricollis Calvert and N. pallidula Calvert (Odonata: Coenagrionidae)”. Zootaxa 5793 (2). Auckland, New Zealand:587-95. https://doi.org/10.11646/zootaxa.5793.2.14.