Camponotus auriventris
Temperature
24–28 °C
Humidity
60–80%
Colony size
1,000–8,000
Queen size
13–15 mm
Worker size
6–12 mm
Diet
Care Guide
Camponotus auriventris is a strikingly beautiful ant species, known for its deep golden-green iridescence that shimmers under light. This Camponotus species, native to parts of East Asia, displays a modest degree of size variation within the colony. The queen, measuring around 13 to 15 millimeters, is the largest individual and establishes the colony through claustral founding — she seals herself in a chamber and raises the first generation of workers entirely on her own metabolic reserves. Workers range from about 6 to 12 millimeters, with larger majors developing as the colony matures. A healthy, well-established colony can reach between one thousand and eight thousand workers, making them a manageable size for intermediate keepers who want a visually impressive yet not overwhelming species.
These ants are primarily sugar-loving but require a balanced diet to thrive. In the wild, they tend hemipteran insects for honeydew and also forage for nectar. In captivity, provide a constant source of sugar water or diluted honey alongside regular insect protein — crickets, roaches, or mealworms are excellent choices. Unlike many temperate ants, Camponotus auriventris does not require hibernation; they remain active year-round if kept at stable tropical conditions. This makes them a wonderful choice for keepers who prefer not to manage a winter diapause but still want the rewarding experience of raising a robust carpenter ant colony.
Care difficulty
Keeping Camponotus auriventris is best suited for intermediate ant keepers. While the founding stage is straightforward due to claustral rearing, colony growth can be slow compared to some other species. The main challenge lies in maintaining the correct temperature and humidity gradients throughout the year. These ants are sensitive to abrupt environmental changes, and their larvae develop best within a relative humidity of 60 to 80 percent and temperatures between 24 and 28 degrees Celsius. A heat cable or mat on one side of the setup, combined with a moistened nesting area, will help create the necessary microclimate.
Housing
A well-designed formicarium for Camponotus auriventris should include a mix of dry and humid zones. They prefer to nest in wood or soft substrates, so a hybrid setup with a naturalistic outworld and a nest made from cork, plaster, or acrylic with adjustable moisture is ideal. Because they do not hibernate, the nest can be kept active all year, but regular cleaning of the outworld is necessary to prevent mold from their sugar-rich waste. Make sure the nest has enough room for the colony to expand; a tube setup works well for smaller colonies, but a full formicarium becomes necessary once the worker count exceeds a few hundred.
First days after purchase
Upon receiving your Camponotus auriventris colony, place the formicarium in a quiet, dark location with stable temperature. Avoid frequent disturbances or bright light during the first week. Check that the humidity level is adequate and that a source of sugar water and a small piece of protein are available. Do not be alarmed if the ants appear inactive initially — they are acclimatizing. Observe from a distance to ensure they begin exploring and feeding. If any workers die during transport, remove them gently to prevent decay. With patience and stable conditions, your colony will quickly resume normal activity and reward you with glimpses of their metallic sheen as they go about their daily tasks.