Termites build mounds ; see relevant link .
There is a kind of wasp which lays its eggs in mud, and they hatch out after the mud is dried, but there are possibly many other insects that do the same.
they used a kind of wood, and mud.
Mud, wood and plants were used to build the huts inhabited by ancient Olmecs.
with mud
Wasps known as mud daubers...
they used mud bricks to build houses
is mud and dry mud
they build it out of mud bricks and straw
Mud wasps are slender insects with a narrow waist and long legs. They vary in color from black to brown, and some species have yellow markings. Mud wasps typically have a smooth, shiny appearance and build their nests from mud, giving them their name.
mud cones formed by pellets of mud
Stones and mud,and dirt
trees