Camponotus ligniperda
(Latreille, 1802)
Schwarze Rossameise
Temperature
20–26 °C
Humidity
50–70%
Colony size
3,000–12,000
Queen size
16–18 mm
Worker size
7–14 mm
Hibernation temp
6 °C
Diet
Care Guide
Camponotus ligniperda, commonly known as the giant carpenter ant, is one of the most rewarding species for newcomers to ant keeping. These impressive ants display a gentle polymorphism: the queen, a stately 16 to 18 mm in length, presides over workers that range from 7 to 14 mm, with larger majors developing as the colony matures. Their robust size and calm temperament make them a favourite among hobbyists, and watching a well-established colony navigate its nest is a true delight.
Like many Camponotus species, these ants are claustral founders — the queen seals herself into a chamber after mating and raises her first brood entirely on her own reserves, requiring no feeding until the first workers emerge. This simple founding process makes them ideal for beginners who want a reliable start. Once established, a mature colony can grow to between 3,000 and 12,000 workers, forming a dense, active society that is a pleasure to observe.
Care difficulty
Keeping Camponotus ligniperda is straightforward, even for first‑time keepers. Their diet is broad: they need a mix of protein (small insects such as fruit flies, crickets, or mealworms) and carbohydrates (sugar water, honey water, or honeydew). Provide these in separate feeding dishes to avoid contamination. Unlike seed‑specialist ants, they rely on regular feeding, but the supply is easy to manage. Temperature should be kept between 20 and 26 °C, and humidity between 50 and 70% — a simple moisture gradient in the nest works well. A critical aspect is hibernation: these ants require a winter rest period at around 6 °C for several months. Skipping hibernation can weaken the colony and shorten the queen’s lifespan, so plan for a cool, dark space each winter.
Housing
A formicarium for Camponotus ligniperda should offer space for growth and good ventilation. Because they are wood‑nesting ants (ligniperda means “wood‑eater”), a naturalistic setup with cork, softwood, or plaster chambers mimics their wild habitat. They are not aggressive tunnelers in captivity but appreciate a dry nesting area with a separate, humidified zone. Provide an outworld for foraging and feeding, and ensure the nest is kept quiet and undisturbed — vibrations stress the colony, especially in the early stages. Regular moistening of the nesting area (not flooding) will support larval development and prevent the substrate from drying out.
First days after purchase
When your Camponotus ligniperda colony arrives, place the formicarium in a calm, dimly lit spot and let them settle for at least 24 hours without disturbance. Check that the queen and workers have access to a small drop of sugar water and a tiny piece of protein, as well as a source of moisture — a cotton‑plugged test tube with water works perfectly. Resist the urge to peek constantly; these ants are sensitive to light and movement. Over the next few days, observe from a distance to confirm that the workers are tending the queen and brood. If all seems calm, you can begin a gentle feeding routine. With patience, your colony will soon grow into a fascinating, long‑lived community that showcases the best of European ant keeping.