Recurvidris lekakuli

Quick Summary

• Difficulty: Hard
• Origin & Habitat: Southeast Asia: Thailand (Kanchanaburi Province) and Brunei. Lives in leaf litter on the forest floor in dry evergreen forest near streams, also recorded from lowland dipterocarp forest ^[1][2].
• Colony Type: Unknown, the social structure (single‑queen or multi‑queen) has not been documented for this newly described species.
• Size & Growth:
  • Queen: Undescribed, the queen caste has not been documented in scientific literature ^[1].
  • Worker: 2.28-2.34 mm total length (TL) ^[1].
  • Colony: Unknown, no colony size data exists. Based on typical small litter‑dwelling Myrmicinae, colonies likely stay under 100 workers (estimated).
  • Growth: Unknown, no development data available.
  • Development: Unknown, no direct measurements. Based on similar small Myrmicinae, estimate 6-10 weeks at optimal temperature. (Development timeline is unconfirmed, this is a rough estimate from genus‑level patterns.)
• Antkeeping:
  • Temperature: Likely 22-26 °C based on the tropical forest habitat. Start at room temperature (23-25 °C) and observe colony activity ^[1][2].
  • Humidity: Keep the nest substrate consistently moist but not waterlogged. Their forest floor habitat suggests they need a setup that doesn’t dry out quickly.
  • Diapause: Unknown, as a tropical species, formal hibernation is likely not needed. Some keepers slightly reduce temperature in winter, but this is unconfirmed ^[1][2].
  • Nesting: Small test tubes with a water reservoir work for founding. For larger colonies, use Y‑tong (AAC) or plaster nests with narrow chambers. A naturalistic setup with a shallow layer of moist soil/peat also mimics their leaf litter home.
• Behavior: These are tiny, ground‑dwelling ants that likely form small colonies. As Myrmicinae, they have a functional stinger, but at under 3 mm any sting would be minimal to humans. They are probably docile and non‑aggressive, preferring to flee when disturbed. Due to their minute size, escape prevention is critical, they can squeeze through standard mesh.
• Common Issues: tiny size makes escape likely without fine mesh barriers (0.5 mm or smaller)., no established care guidelines, this is a newly described species with minimal research., colony size unknown, growth expectations are uncertain., humidity control is important, the substrate must stay moist without being waterlogged., limited availability in the antkeeping hobby.

Housing and Nest Setup

Because of their extremely small size (under 3 mm), Recurvidris lekakuli requires careful housing. Small test tubes with tight‑fitting cotton plugs work well for founding colonies, avoid rubber stoppers that could crush the tiny ants. For established colonies, use Y‑tong (AAC) nests with narrow chambers or plaster nests scaled to their size ^[1]. A naturalistic setup with a shallow layer of moist soil/peat mix also works, as it mimics their native leaf‑litter habitat. Regardless of the nest type, escape prevention must be excellent: standard mesh may not contain them. Use fine mesh (0.5 mm or smaller) or apply fluon to barrier edges. A small outworld area allows for feeding and waste disposal.

Temperature and Humidity

Based on their tropical Thailand and Brunei forests, this species likely prefers 22-26 °C ^[1][2]. Avoid temperatures below 20 °C or above 30 °C. Room temperature (23-25 °C) is probably ideal. Humidity should be moderate to high, their forest floor habitat suggests they need moisture. Keep the nest substrate consistently moist but not waterlogged. In test‑tube setups, a water reservoir helps maintain humidity. For naturalistic setups, mist the substrate periodically and check that it doesn’t dry out within 2-3 days.

Feeding and Diet

Specific dietary needs are unconfirmed, but as small Myrmicinae they are likely omnivorous. Offer tiny protein sources such as flightless fruit flies, small springtails, or tiny mealworms. Provide sugar sources like diluted honey or sugar water. Given their minute size, prey items must be appropriately small. Feed protein 2-3 times per week and keep sugar water available continuously. Remove uneaten prey after 24-48 hours to prevent mold.

Colony Development Expectations

As a species described only in 2019,no captive breeding data exists. The queen has not been described in the literature ^[1]. Wild colony sizes are unknown. Based on similar small Myrmicinae litter ants, you can expect relatively small colonies, possibly under 100 workers at maturity. Growth rate is unconfirmed but likely moderate. The first workers (nanitics) will be very small. Be patient with founding colonies, small ant species often take longer to establish. Monitor the colony closely and adjust care based on observed behaviour and brood development.

Handling and Temperament

Recurvidris lekakuli is a docile, non‑aggressive species. Like other Myrmicinae, it possesses a functional stinger, but its tiny size means any sting would be barely perceptible, a minor irritation at most. The ants will likely flee rather than attack when disturbed. Their small size makes them suitable for observation but less interactive than larger species. Always use gentle movements and avoid disturbing the nest excessively, especially during founding. Escape risk is high due to their minute size, use fine mesh and check for gaps when handling. ^[1]

Frequently Asked Questions

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References