Fjellberg, Arne, and Ernest C. Bernard. “Review of Agrenia Börner, 1906 With Descriptions of Four New Species from North America (Collembola, Isotomidae)”. Zootaxa 2306, no. 1 (December 8, 2009): 17–28. Accessed April 12, 2025. https://mapress.com/zt/article/view/zootaxa.2306.1.2.