Read the trail and its location

Termite mud tubes: a visual field guide

A termite mud tube may appear as a narrow trail of dried soil crossing masonry, timber or another surface. Not every dirt-like mark is termite activity.

Where to look

Observe walls, piers, slab edges and service penetrations without entering unsafe areas.

Explore where to look →

Lookalikes

Splash marks, insect nests and accumulated soil can resemble workings in a photograph.

Explore lookalikes →