Crematogaster cerasi
Temperature
20–26 °C
Humidity
50–70%
Colony size
1,000–8,000
Queen size
6–8 mm
Worker size
3–4 mm
Hibernation temp
8 °C
Diet
Care Guide
Crematogaster cerasi, commonly known as the cherry acrobat ant, earns its name from the remarkable way workers raise their heart-shaped gasters over their heads when alarmed—a behavior as entertaining as it is effective for deterring intruders. This small but charismatic species is a joy to observe, especially as the colony matures. The queen measures between 6 and 8 mm, while workers are modestly sized at 3–4 mm, yet what they lack in individual stature they more than make up for in coordinated activity. Colonies can grow steadily under the right conditions, reaching anywhere from 1,000 to 8,000 workers.
In the wild, Crematogaster cerasi is often found tending aphids for honeydew, supplementing this sugary staple with small insects and protein-rich prey. In captivity, a balanced diet of sugar water, honeydew, and fresh insect protein—such as fruit flies, small crickets, or roach nymphs—will keep the colony thriving. These ants are enthusiastic foragers and appreciative of a consistent food supply, though they do not require live prey as frequently as some more aggressive species.
Care difficulty
Intermediate—suitable for keepers who have some experience with founding colonies and managing seasonal cycles. While not overly demanding, Crematogaster cerasi does require a period of winter hibernation at around 8°C, which must be carefully planned. Without this cooling phase, colony growth may stagnate or the queen may fail to produce workers in the following season.
Housing
A classic formicarium with moderate humidity (50–70%) and a temperature range of 20–26°C works well for this species. They do not require elaborate nest structures, but appreciate a clean, well-ventilated setup with a connected outworld for foraging. Moisture levels should be monitored closely—too dry and the brood may suffer, too wet and mold can become an issue. Crematogaster cerasi is relatively tolerant of light and vibrations compared to some skittish species, but a quiet, stable location is still recommended, especially during the first year. Unlike seed-harvesting ants, they have no need for a granary, so space can be allocated primarily for brood chambers and foraging areas.
First days after purchase
Upon receiving your colony, transfer them gently into their new formicarium and place it in a dim, quiet spot. Resist the urge to check on them constantly for the first few days; they need time to acclimate and begin exploring their new surroundings. Offer a small drop of sugar water and a tiny piece of insect protein, and ensure the hydration system is functioning. Observe from a distance—within a week, you should see foragers confidently collecting food and workers tending the brood. With patience, the acrobatic displays and industrious nature of Crematogaster cerasi will soon become a captivating daily routine.