Myrmica rubra

Myrmica rubra is widespread throughout Europe and can be found in meadows, forests, gardens, marshes, and other humid habitats. In nature they typically nest under rocks, within damp rotting wood, beneath moss, or directly in moist soil.

Unlike many ant species, Myrmica rubra queens are semi-claustral. During colony founding, queens leave the nest to forage for food before the first workers emerge. Once the colony becomes established, workers take over all foraging duties.

These ants are active hunters and scavengers. They consume a wide variety of insects, sugary liquids, honeydew, fruits, and other food sources. Colonies can grow to several thousand workers and often contain multiple queens, allowing for rapid expansion and impressive brood production.

One of the most famous characteristics of Myrmica rubra is their defensive nature. When disturbed, workers quickly swarm the threat and use their sting to defend the colony.

Myrmica rubra is one of the most active and rewarding ant species available in the hobby. Their beautiful red coloration, fast colony growth, and fascinating social structure make them an excellent choice for ant keepers of all experience levels.

At Esthetic Ants, we carefully select healthy colonies containing fertile queens, workers, and brood to ensure a successful start. Because this species is naturally polygynous, colonies often grow faster than many other European species and quickly become highly active.

Whether you are looking for a species with impressive feeding responses, visible brood development, or a colony that is always on the move, Myrmica rubra delivers an exciting ant keeping experience from day one.

Temperature
Myrmica rubra does not require heating and can be kept successfully at normal room temperature. In fact, excessive heating should be avoided as these ants naturally prefer cooler conditions than many tropical species.

Humidity
This species requires a humid nest environment. The nest should be hydrated regularly and a constant water source should always be available. Myrmica rubra is particularly sensitive to dehydration and thrives in moist conditions.

Food
Provide a varied diet consisting of:

• Sugar water or honey water
• Ant jelly
• Fruit flies
• Mealworms
• Crickets
• Roaches
• Other feeder insects

If using wild-caught insects, always freeze or boil them first to prevent introducing mites or parasites into the colony.

Hibernation
Myrmica rubra requires a winter diapause from approximately November until March. During this period temperatures should be reduced to around 5-10°C to maintain the colony's long-term health and brood production.

Nest and setup
Myrmica rubra adapts well to many nest types including acrylic nests, Ytong nests, plaster nests, and naturalistic terrariums. Since they prefer high humidity, nests with reliable hydration systems are strongly recommended.

Sting and defense
Workers possess a functional sting that can be painful, especially for sensitive individuals. While not dangerous for most people, care should be taken when handling larger colonies. Gloves are recommended if you are sensitive to insect stings.

Myrmica rubra is naturally a polygynous species. In the wild and in commercial collections, colonies frequently contain multiple queens. We typically receive large colonies with several queens and divide these colonies according to the quantity ordered.

For many years customers have successfully kept these split colonies without issues, and the species generally adapts very well to this practice. As with any polygynous species, colony development may vary depending on the number of queens and workers present, but Myrmica rubra remains one of the most reliable and rewarding multi-queen species available in the hobby.