What lays small white eggs the size of a pea in dirt or mud?

Small white eggs the size of a pea found in dirt or mud are likely laid by certain species of insects, such as ants or some beetles. Additionally, amphibians like frogs and toads may also lay small eggs in muddy areas, although their eggs are typically more gelatinous. Other possibilities include certain types of freshwater snails or worms. The specific identification would depend on the habitat and surrounding environment.