Cephalotes marycorn

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Brazil (Minas Gerais), arboreal canopy dwellers in transitional forest between Cerrado, Caatinga, and Atlantic Forest at ~500m elevation ^[1]
• Colony Type: Single-queen colonies typical for the genus Cephalotes. Colony type is inferred from genus patterns since specific documentation for this species is unavailable.
• Size & Growth:
  • Queen: Size data unavailable, no documented measurements for dealate queens exist. Based on genus patterns, queens likely measure 6-8mm.
  • Worker: 4.1-4.3mm total length ^[1]
  • Colony: Colony size is not documented for this species. Based on genus patterns, typical Cephalotes colonies reach dozens to a few hundred workers.
  • Growth: Moderate, estimated based on genus patterns
  • Development: Development time is not documented for this species. Based on related Cephalotes species, estimate 6-10 weeks at optimal temperatures. (Development time not directly studied for this species, estimate based on genus patterns for tropical arboreal ants)
• Antkeeping:
  • Temperature: Keep at 24-28°C, these are tropical arboreal ants from southeastern Brazil. A gentle temperature gradient allows them to regulate their exposure ^[1].
  • Humidity: High humidity (70-85%), their natural habitat is the humid canopy of transitional forest. Provide moist nest material but ensure ventilation to prevent mold.
  • Diapause: No true diapause expected, these are tropical ants from a region with mild winters. A slight slow-down in winter months may occur but is not required.
  • Nesting: Arboreal nesters, they naturally nest in tree cavities and hollow branches. In captivity, provide vertical nesting options like cork bark nests, wooden formicaria, or acrylic nests with horizontal chambers. They do best with nest spaces that mimic tree hollows.
• Behavior: Turtle ants are known for their unique defense mechanism, workers possess a functional stinger and may use it defensively, though it is less medically significant than fire ant stings. Workers also use their flattened, shield-like heads to block nest entrances, protecting the colony from intruders. They are generally docile and non-aggressive, focusing on foraging in the canopy rather than defending territory. Workers are slow-moving and deliberate. Their small size (4mm) means escape prevention is important, they can slip through small gaps.
• Common Issues: escape prevention is critical due to their small size, use fine mesh and tight-fitting barriers, arboreal nature means they need vertical space and proper footing, smooth surfaces can be challenging, high humidity needs can lead to mold if ventilation is poor, slow colony growth may frustrate beginners expecting rapid development, limited availability since this is a recently described species, captive colonies are rare

Housing and Nest Setup

Cephalotes marycorn are arboreal ants that naturally nest in tree cavities and hollow branches in the forest canopy. In captivity, you should provide nesting options that mimic these conditions. Cork bark nests work exceptionally well since they replicate the natural tree hollows these ants prefer. Acrylic or wooden formicaria with horizontal chambers sized appropriately for their 4mm workers are also suitable. The key is providing a vertical or semi-vertical orientation that matches their arboreal lifestyle. These ants do not do well in test tube setups designed for ground-nesting species, they need proper arboreal housing. Ensure the nest has multiple chambers connected by small passages, and provide a foraging area that allows them to explore and forage as they would in the canopy. ^[1]

Feeding and Diet

Like other Cephalotes species, these ants are omnivorous with a preference for carbohydrate sources. In the wild, they forage in the canopy and likely feed on honeydew from aphids and scale insects, plus small insects and arthropods. In captivity, offer a constant source of sugar water, honey, or diluted sugar syrup. For protein, provide small insects like fruit flies, pinhead crickets, or mealworm pieces. Feed protein sources 2-3 times per week, and keep sugar available at all times. Remove uneaten prey after 24-48 hours to prevent mold. Because they are arboreal foragers, place food in the foraging area rather than directly in the nest. Their small size means prey items should be appropriately sized, very small pieces are better than large ones.

Frequently Asked Questions

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References