Bretfeld G, Schulz HJ. New species of Sphaeridia Linnaniemi, 1912, sensu Bretfeld & Trinklein 2000 (Insecta, Collembola) from Peru; with short descriptions of the males and a key to the Sphaeridiaspecies described from South America. Soil Org. 2023;84(3):513–527. Accessed December 23, 2024. https://soil-organisms.org/index.php/SO/article/view/343