TY - RPRT TI - Why Ambrosia Beetles Keep Only One Fungus: Competitive Asymmetry, Bottleneck Drift, and Eco-Evolutionary Fixation AU - Jiang, Z.-R. PY - 2025 DO - 10.64898/2025.12.18.694882 UR - https://www.biorxiv.org/content/10.64898/2025.12.18.694882v1 ID - 10.64898/2025.12.18.694882 ER -