Temperature
Messor muticus prefers warm conditions between 22 and 28°C. Moderate heating can improve brood development and colony growth. If heating is used, warm only part of the nest so the ants can regulate their own temperature.
Humidity
These ants prefer a relatively dry nest with a small humid area for the brood. Hydrating the nest lightly once or twice per week is usually sufficient.
Food
The majority of their diet consists of seeds such as grass seeds, millet, chia seeds, or other small grains.
Additional protein can occasionally be provided through insects such as fruit flies or small crickets.
Sugary liquids such as honey water can be offered occasionally but are not the main food source.
Hibernation
Messor muticus requires a winter diapause from late autumn until early spring at cooler temperatures.
Nest and setup
These ants do best in nests that allow dry seed storage chambers. Acrylic nests, plaster nests, ytong nests, or naturalistic setups with sand-loam substrates work well. An outworld with dry substrate is recommended so workers can easily collect and process seeds.
Defense
Majors have strong mandibles and can bite when disturbed, but the species is generally calm and manageable for keepers.