Why are mud dauber wasps often seen near moist locations?

Mud dauber wasps are often seen near moist locations primarily because they utilize mud to construct their nests. These wasps gather mud, which is essential for building their unique structure, commonly known as "mud tubes" or "cells." The mud serves as a building material that is typically mixed with saliva to create a sturdy protective home where they can raise their offspring.

Although these wasps do have various behaviors that may involve food searching or seeking out humid environments, their primary attraction to moist areas is linked to their nesting habits. The availability of mud is crucial for the successful construction of their nests, making it vital for their reproductive process. This need for mud directly influences their habitat choices, leading them to be frequently found in areas where moisture is abundant.