Camponotus substitutus
Temperature
24–28 °C
Humidity
60–80%
Colony size
1,000–5,000
Queen size
13–15 mm
Worker size
6–11 mm
Diet
Care Guide
Camponotus substitutus is a robust and adaptable species of carpenter ant native to parts of South America. The queen measures between 13 and 15 mm, while workers range from 6 to 11 mm, showing noticeable size variation but not the extreme polymorphism seen in some other Camponotus. These ants are claustral founders, meaning the queen seals herself in a chamber after mating and raises her first brood entirely from her own energy reserves — a strategy that makes colony founding relatively straightforward once the initial stress period is overcome. Mature colonies can reach 1,000 to 5,000 workers, offering a satisfying balance between manageable size and impressive activity.
Care difficulty
Keeping Camponotus substitutus is best suited for intermediate ant keepers. While the claustral founding removes the need for feeding during the first weeks, the colony’s later requirements — especially stable moisture levels and a varied diet — demand more attention than beginner-friendly species. Unlike many temperate carpenter ants, Camponotus substitutus does not require hibernation, making it an excellent choice for keepers who want year-round activity without the need for seasonal cooling. The main challenge lies in maintaining the high humidity (60–80%) that these ants need for healthy larval development, combined with steady warmth between 24 and 28°C.
Housing
A formicarium with good humidity retention is essential. Nests made of grout, plaster, or acrylic with integrated hydration systems work well, as they allow you to keep the nest substrate consistently damp without flooding the chambers. The outworld should provide a dry area for foraging and feeding. Like many carpenter ants, Camponotus substitutus is sensitive to vibrations and sudden changes in light, so place the setup in a calm, low-traffic spot. They are avid sugar feeders and will eagerly take honey water or sugar syrup, but they also require regular protein sources such as small crickets, mealworms, or roaches. A balanced diet of insects and carbohydrate-rich liquids will support rapid colony growth. Because they do not hibernate, you can maintain stable conditions year-round — just be mindful of water evaporation during warmer months.
First days after purchase
When your Camponotus substitutus colony arrives, transfer it gently into its new formicarium and place it in a quiet, dimly lit area. Avoid disturbing the nest for at least three to five days to let the queen and workers acclimate. During this period, offer a small drop of sugar water on a piece of cotton and a tiny insect fragment near the entrance. Observe from a distance to ensure the ants are drinking and showing normal exploratory behavior. If the queen seems stressed and workers are clustering tightly, do not open the nest — give them more time. Once they start moving food into the nest, you can gradually increase the feeding schedule. With patience and stable conditions, this species rewards keepers with steady growth and the fascinating sight of a well-organized carpenter ant society.