Tyrophagus similis Volgin can complete a generation in about 11 days under normal conditions. Fertilized females deposit an average of 18 eggs, with a maximum number laid by any one female of 36 eggs. No hypopus appears to exist during the life cycle. There is a positive correlation between Gamasellodes/Protogamasellus species (predator) and Tyrophagus similis. The mite can feed on plant and animal debris.