Lophomyrmex birmanus

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Native to the Indomalaya region including India, Myanmar, Sri Lanka, Thailand, Vietnam, and southern China, found in mixed deciduous and evergreen forests ^[3][1].
• Colony Type: Colony structure is unconfirmed, but based on typical Lophomyrmex patterns, likely monogyne (single-queen).
• Size & Growth:
  • Queen: size data unavailable
  • Worker: ~2.8-2.9 mm ^[1]
  • Colony: Colony size is not well documented, estimated up to a few hundred workers based on related species.
  • Growth: Moderate
  • Development: Estimated 6-8 weeks under optimal conditions (Development time is inferred from related species, specific data not available.)
• Antkeeping:
  • Temperature: Keep at 24-28°C, as they are from tropical regions ^[1].
  • Humidity: Keep nest substrate consistently moist but not waterlogged, based on their soil-nesting habits ^[2][1].
  • Diapause: No, as they are tropical species.
  • Nesting: Soil-based nests with moist substrate, such as under stones or in formicaria with digging containers ^[2][1].
• Behavior: Workers are active foragers that hunt other arthropods ^[2]. They are not aggressive toward humans, but their small size makes escape prevention critical ^[2].
• Common Issues: escape prevention is critical due to very small size, they can squeeze through gaps under 1 mm, overfeeding can lead to mold in substrate-based nests, wild-caught colonies may contain parasites, keeping too dry can cause colony decline, slow growth may lead to overfeeding

Housing and Nest Setup

Lophomyrmex birmanus nests in soil under stones or logs in the wild ^[2][1]. In captivity, use a container with moist, compactable substrate like sand and soil. Place flat stones or bark on top for natural nesting sites. Keep the substrate moist but not waterlogged to allow tunneling. For founding colonies, a test tube setup works, but move to a larger setup once the colony grows. Ensure all connections are sealed with cotton or fine mesh due to their small size ^[2].

Feeding and Diet

These ants are predators that hunt other arthropods ^[2]. Offer small live prey like fruit flies, pinhead crickets, and mealworms. Provide sugar sources like honey water. Feed 2-3 times per week, removing uneaten prey after 24 hours to prevent mold ^[2].

Temperature and Heating

Keep the nest area at 24-28°C for optimal activity, as they are from tropical regions ^[1]. Use a heating cable on one side to create a gradient. Avoid direct heat on nest material to prevent drying.

Humidity and Moisture

Maintain moderate to high humidity by keeping the nest substrate damp but not soggy ^[2][1]. Mist the outworld occasionally and use a water reservoir if possible. Watch for excessive condensation.

Behavior and Observation

Workers are active ground-foragers that search for food on the surface and underground ^[2]. They are not aggressive but can escape easily due to their small size. Observe them carrying prey back to the nest.

Growth and Development

Colonies start with a single queen who raises the first brood alone. First workers emerge in about 6-8 weeks under optimal conditions. Growth is moderate, taking months to reach larger sizes. Avoid disturbing the queen during founding.

Frequently Asked Questions

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References