Cross-section of a nest of Melipona (Melikerria) beecheii Bennett from near Tapachula, Chiapas, Mexico, with key architectural elements labeled. Photograph M.A. Guzmán Díaz (used with permission).

 
 
  Part of: Engel MS, Rasmussen C, Ayala R, de Oliveira FF (2023) Stingless bee classification and biology (Hymenoptera, Apidae): a review, with an updated key to genera and subgenera. ZooKeys 1172: 239-312. https://doi.org/10.3897/zookeys.1172.104944