economics Practical Magic

Drones can now 'see' through the dirt to map out massive, complex ant cities buried deep underground using special radar.

April 13, 2026

Original Paper

Ant Nest Detection Using P-Band TomoSAR

SSRN · 6561385

The Takeaway

Leaf-cutting ants build massive, hidden labyrinths that are nearly impossible to map from the surface. This technology allows scientists to visualize these biological structures from the sky without ever touching the soil.

From the abstract

Leaf-cutting ants are a major source of productivity loss in commercial forest plantations, yet their underground nests remain difficult to detect at scale. This study presents a methodology for subsurface ant nest detection based on drone-borne P-band tomographic SAR combined with deep learning. Full-wave electromagnetic simulations were first conducted to characterize the radar response of ant nests with varying sizes and depths. These insights were then validated using field data acquired ove