Figure 1. A-D: Overview and details of a Mycocepurus goeldii nest excavation. (A) Mature fungus garden in a nest chamber. (B) Adjacent chambers with fungus garden removed; a connecting tunnel between them is marked with a stick. (C) Excavation of two adjacent nests: on the far left side the excavation of a nest system is complete, on the right side it has just begun. (D) Mycelial strands of an incipient garden hang from the ceiling of a recently constructed chamber. Photos by C. Rabeling.