[1]
Wille, A. 1966. Notes on two Species of Ground Nesting Stingless Bees (<i>Trigona mirandula</i> and <i>T. buchwaldi</i> from the Pacific Rain Forest of Costa Rica. Revista de Biología Tropical. 14, 2 (Dec. 1966), 251–277. DOI:https://doi.org/10.15517/rev.biol.trop.1966.28535.