Lepisiota carbonaria

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Native to the Horn of Africa (Somalia, Djibouti, Ethiopia) and the Arabian Peninsula (Oman, Saudi Arabia, Yemen), with additional records from Democratic Republic of Congo ^[1][2][4][5]. Found in leaf litter under Vachellia trees in dry soil conditions ^[2]. This is a warm-climate, dry-adapted species from tropical and subtropical regions.
• Colony Type: Unconfirmed. The genus Lepisiota contains both single-queen and multi-queen species, but specific data for L. carbonaria is lacking. Colony structure is not documented in available literature.
• Size & Growth:
  • Queen: Size data unavailable. No measurements of queens are recorded in the available literature.
  • Worker: 2.12mm total length ^[1][2]
  • Colony: Not documented. Colony size is unknown based on current research.
  • Growth: Unknown. No data on colony growth rate exists for this species.
  • Development: Unknown. No specific development data exists for this species. For Formicinae at warm temperatures, development from egg to worker typically takes 4-8 weeks, but this is an estimate based on related species. (No published information on brood development. Keep at optimal warm temperatures to encourage steady growth.)
• Antkeeping:
  • Temperature: Warm conditions required. Based on their native range in Somalia, Oman, and Saudi Arabia, aim for 24-30°C. A slight gradient allowing warmer (28-30°C) and cooler (24-26°C) areas is ideal. They are not adapted to cool conditions ^[2].
  • Humidity: Low to moderate. These ants come from dry regions and were found in dry soil under Vachellia trees ^[2]. Keep the nest substrate slightly moist to the touch but not wet. Avoid standing water and high humidity that could lead to mold.
  • Diapause: Not required. As a tropical/subtropical species, they do not need a winter diapause. Activity may slow in cooler periods, but no hibernation is needed ^[5].
  • Nesting: Small chambers work best for their tiny size. Y-tong (AAC) or plaster nests with appropriately scaled chambers or a test tube setup are suitable. They likely prefer dry nest conditions with good ventilation. Avoid large, open spaces.
• Behavior: Foraging behavior is not well documented. As a member of Formicinae, they defend themselves by spraying formic acid rather than stinging. Their tiny size (2.12mm) means they can escape through very small gaps, so excellent escape prevention is essential. They are likely non-aggressive and fast-moving foragers ^[5].
• Common Issues: tiny size means escapes are likely without fine mesh barriers and tight seals, dry-region species, overwatering or overly humid conditions can kill colonies, poorly studied species, expect some trial and error to dial in care, no specific colony data means founding may be challenging without prior experience, limited availability in the hobby makes this a specialty species

Housing and Nest Setup

With workers measuring only 2.12mm, you need a nest scaled to their tiny size. A Y-tong (AAC) nest with small, tight chambers works well. A test tube setup is also suitable for founding. The nest material should allow some humidity control but lean toward dry conditions. A small water chamber connected to a cotton wick can provide moisture without saturating the nest. Good ventilation is essential to prevent mold in the dry conditions they prefer ^[1][2].

Temperature Requirements

Keep them warm at 24-30°C, ideally around 26-28°C for active foraging and brood development. Provide a temperature gradient with a warmer side at 28-30°C and a cooler side at 24-26°C. If your room temperature drops below 24°C, use a heating cable or mat on one side. Avoid prolonged temperatures under 20°C ^[2].

Feeding and Diet

They are generalist foragers. Offer small protein sources like fruit flies, pinhead crickets, or small mealworms. Provide sugar water or honey for energy. Because of their tiny size, prey should be appropriately small. Feed small amounts every 2-3 days and remove uneaten food to prevent mold. Keep a constant supply of sugar water, replacing it every few days ^[5].

Humidity and Water

These ants come from dry regions and need lower humidity than many tropical ants. Keep the nest substrate moderately dry, slightly moist to the touch but not waterlogged. Provide a small water tube or reservoir for drinking. Avoid misting the nest directly, as excess moisture can cause fungal growth. Ensure good ventilation ^[2].

Escape Prevention

With workers just 2.12mm, these ants can squeeze through tiny gaps. Use fine mesh on all ventilation openings. Apply Fluon or a similar barrier to all enclosure edges. Ensure lids fit tightly. Check for gaps frequently, especially in the first few days. A layer of baby powder mixed with glycerin on enclosure rims also works ^[1].

Colony Development

No specific data exists for this species. Based on typical Formicinae, the queen likely founds claustrally by sealing herself in a small chamber. The first workers (nanitics) may appear after 4-8 weeks at optimal temperatures, but this is an estimate. Expect slow initial growth. Be patient and avoid disturbing the queen during founding ^[5].

Frequently Asked Questions

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References