Strumigenys ninda

Quick Summary

• Difficulty: Hard
• Origin & Habitat: West and Central Africa, leaf litter in natural and disturbed forests ^[1][2].
• Colony Type: Unknown, only workers have been described. No information on queen number or social structure.
• Size & Growth:
  • Queen: Unknown, no queens have been described.
  • Worker: 1.7-1.8 mm ^[1]
  • Colony: Unknown
  • Growth: Unknown
  • Development: Unknown, no data available (No information on development speed.)
• Antkeeping:
  • Temperature: Likely warm tropical conditions around 24-28°C based on origin, but no specific data available.
  • Humidity: High humidity from leaf litter habitat. Keep nest substrate moist but not waterlogged. No exact data.
  • Diapause: No, tropical species, no hibernation needed.
  • Nesting: Tiny ants need very small chambers. A Y‑tong (AAC) or plaster nest with fine passages works, or a naturalistic setup with damp soil and leaf litter. No specific nesting data available.
• Behavior: Shy and non‑aggressive. Extremely small size makes escape prevention critical. Likely individual foragers feeding on tiny soil arthropods. Little else is known about their behavior.
• Common Issues: escape prevention is critical, at 1.7 mm they can squeeze through tiny gaps., need live micro‑prey, they won't survive on sugar water alone., high humidity can cause mold if ventilation is poor., colony development and founding are completely unknown, establishing a colony is a shot in the dark.

Housing and Nest Setup

Because workers are only 1.7 mm, a standard formicarium is far too roomy. Use a Y‑tong (AAC) nest with very narrow chambers or a plaster nest with fine, tight passages. A naturalistic setup with a thin layer of damp soil and leaf litter on top mimics their forest‑floor home. Keep the nest dark and cover all ventilation holes with fine mesh, these ants will escape through any gap their head can fit through. A small outworld (about 10-15 cm²) helps you manage feeding and lowers stress. ^[1]

Feeding and Diet

Strumigenys ninda are predators. In the wild they likely hunt tiny soil arthropods like springtails, mites, and booklice. In captivity you'll need a steady supply of live springtails (Collembola), culture them separately and offer a few every 2-3 days. Very small fruit flies (Drosophila melanogaster) may also be accepted. They won't touch sugar water or honey. Remove any uneaten prey after 24 hours to prevent mold. ^[1]

Temperature and Humidity

These ants come from tropical Africa, so keep temperatures warm, aim for 24-28°C. Use a small heating cable on one side of the nest to create a gentle gradient, but never put heat directly on the nest chamber (it dries out too fast). Humidity should be high, like a damp forest floor. The nest substrate should feel moist to the touch but not have standing water. A water reservoir in the nest helps maintain stable moisture. Good ventilation is needed to stop mold while keeping humidity up, this balance takes practice. ^[2]

Behavior and Colony Dynamics

Almost nothing is known about the colony life of Strumigenys ninda. Only workers have been collected and described. Based on the genus, colonies are probably small (tens to maybe a few hundred workers) and queens likely raise the first brood alone (claustral founding), but none of this is confirmed. Workers are shy and flee when disturbed, they rely on speed and their small size to avoid threats. They have a functional sting, as is typical for Myrmicinae, but it is far too small to harm humans. Expect very slow colony growth, patience is essential. ^[1]

Frequently Asked Questions

Report an Issue

The current care sheet is based fully on literature. See inconsistencies, or something that's incorrect? Please report here, it will be resolved after review from an admin. Contributing to the blogs tab also helps providing information, to make us be able to further improve the caresheets. Thank you for your support!

References