Lin notes that the cannibal ant is an indigenous ant. The local biosphere is a system in balance, and the ant, which has no natural enemies, sits near the top of that system. Its numbers are limited by the quality of its environment and the availability of resources.
林宗岐指出，畢氏粗角蟻在本地生物圈中屬於高階物種，沒有天敵，生物平衡取決於環境的好壞和資源多寡。