Camponotus caryae
Temperature
22–27 °C
Humidity
50–70%
Colony size
500–3,000
Queen size
10–12 mm
Worker size
5–9 mm
Hibernation temp
8 °C
Diet
Care Guide
Camponotus Caryae is a charming North American carpenter ant species that offers an engaging intermediate-level experience for ant keepers. These ants display a modest polymorphism, with the queen measuring 10–12 mm and workers ranging from 5–9 mm, creating a visible size difference between minor and major workers. Colonies typically grow to between 500 and 3,000 individuals, making them manageable yet active enough to provide constant interest. Founding is claustral, meaning the queen seals herself in a chamber after mating and raises the first brood without needing food, relying solely on her own metabolic reserves. This simplifies the early stages of colony establishment.
One of the most distinctive features of Camponotus Caryae is their natural affinity for nesting in dead wood, often in branches or tree stumps. In captivity, they adapt well to standard formicaria but appreciate a nesting substrate that mimics wood, such as soft cork or plaster. Their diet is varied and straightforward: they require a steady source of protein from insects like fruit flies, mealworms, or crickets, alongside carbohydrates from sugar water or honeydew. A small dish of diluted honey or sugar syrup supplemented with an occasional insect feeding keeps the colony thriving. Like many temperate Camponotus, they undergo a true hibernation period, requiring a winter cooling to around 8°C for several months to reset their biological cycle and ensure healthy brood production in spring.
Care difficulty
Keeping Camponotus Caryae is rated intermediate. While their claustral founding makes initial care relatively simple, the need for a proper hibernation cycle and sensitivity to humidity fluctuations adds a layer of complexity. Beginners can succeed with careful attention to environmental control, but experience with other Camponotus species is beneficial. The colony's size remains moderate, so they do not outgrow typical formicaria quickly.
Housing
Provide a formicarium with ample space for the growing colony, ideally with chambers that retain humidity well. Camponotus Caryae prefer a humidity range of 50–70%, so regular moistening of the nesting area is essential, especially during brood rearing. The outworld should offer a feeding area with easy access to water and food. Because these ants can be startled by sudden vibrations and bright light, place their enclosure in a quiet, low-traffic location. A small heat mat set to maintain 22–27°C in one part of the nest allows the colony to thermoregulate. For hibernation, gradually reduce temperature to 8°C over several weeks in late autumn and maintain this cool period for two to three months.
First days after purchase
Upon receiving your Camponotus Caryae colony, transfer them into their prepared formicarium with minimal disturbance. Place the setup in a calm, dimly lit area and leave them undisturbed for at least 24–48 hours to allow acclimation. Offer a small drop of sugar water and a single small insect to test their appetite. Observe from a distance to ensure the queen and workers are settling in and accessing the water source. Avoid opening the nest cover during the first week. With patience and a stable environment, the colony will soon begin foraging and expanding — a rewarding sight for any keeper.