Myrmecina vieti

Quick Summary

• Difficulty: Medium
• Origin & Habitat: Vietnam (Ha Tai Province), Indomalaya region. Found under stones at 600-670m elevation in forested areas ^[1].
• Colony Type: Colony structure is unconfirmed. A dealate (wingless) queen was documented among the type specimens ^[1].
• Size & Growth:
  • Queen: Size data unavailable, no queen measurements published
  • Worker: Approximately 2.5mm total length ^[1]
  • Colony: Estimated under 500 workers based on typical genus patterns for small cryptic ants
  • Growth: Moderate
  • Development: Estimated 6-10 weeks based on typical Myrmecina development patterns (Direct development data unavailable. Small colony size suggests moderate growth rate.)
• Antkeeping:
  • Temperature: Keep around 22-26°C. Being from tropical Vietnam, they prefer warm but not hot conditions.
  • Humidity: High humidity preferred, these are forest floor ants that live under stones in naturally humid microhabitats. Keep nest substrate consistently moist but not waterlogged.
  • Diapause: Unknown for this species. Being from tropical Vietnam, they likely do not require a true hibernation period.
  • Nesting: Test tube setups work well for founding colonies. Their tiny size and preference for under-stone nesting suggests they do well in tight, humid chambers. Y-tong nests with narrow passages are appropriate. Avoid large, open spaces.
• Behavior: These are very small, cryptic ants that prefer to stay hidden. They are not aggressive and pose no threat to keepers. Their tiny size means they can easily escape through small gaps, excellent escape prevention is essential. Workers likely forage individually or in small groups for small prey items and honeydew. They are not known to sting and are generally peaceful toward keepers during routine care.
• Common Issues: escape prevention is critical due to their very small size, they can squeeze through gaps that larger ants cannot, very small colony sizes mean slow population growth, patience is required, limited species-specific information means some care aspects require experimentation, high humidity needs can lead to mold if ventilation is inadequate, test tube setups must be properly sealed as they can dry out or flood

Housing and Nest Setup

Myrmecina vieti are tiny ants that require appropriately scaled housing. For founding colonies, a clean test tube setup works well, ensure the cotton is packed snugly to prevent escape. The tube should be kept horizontal or at a slight angle with the water reservoir at one end. Once the colony reaches 20-30 workers, you can consider moving them to a small formicarium. Y-tong nests with narrow chambers are appropriate choices. The key is providing tight-fitting chambers scaled to their minute size, these ants feel secure in snug spaces. Avoid large, open formicaria that can stress such small ants. A small outworld for foraging is sufficient. Always use excellent escape prevention: these ants can squeeze through gaps as small as 0.5mm. Apply fluon or use fine mesh on any openings. ^[1]

Feeding and Diet

Offer small protein sources such as fruit flies, pinhead crickets, small mealworms, or other appropriately sized insects. Because of their tiny size, prey items should be very small, fruit flies are an excellent choice. Sugar sources like honey water or sugar water can be offered. Feed small amounts every few days, removing any uneaten prey after 24-48 hours to prevent mold. A constant sugar water supply is recommended alongside occasional protein offerings.

Temperature and Humidity

Myrmecina vieti originates from tropical Vietnam, so aim for temperatures in the 22-26°C range. Room temperature within this range is often suitable. If your colony shows signs of stress, consider a subtle heat gradient using a heating cable on one side of the nest, but never overheating. For humidity, these forest-floor ants prefer high moisture environments. Keep the nest substrate consistently damp but saturated. Monitor for condensation, some moisture is beneficial but excessive pooling can drown colonies. The test tube water reservoir provides humidity, but you may need to occasionally rehydrate the nest area. Place the setup away from direct sunlight and air conditioning vents that could cause temperature fluctuations. ^[1]

Colony Development and Growth

This is a newly described species with limited captive data. Based on typical Myrmecina patterns, expect slow but steady colony growth. The first workers will likely be smaller than mature workers. Colony size likely maxes out under 500 workers, these are not large colony formers. Growth rate is moderate, with development from egg to worker taking an estimated 6-10 weeks under optimal conditions. Patience is essential with this species. Monitor colony health through worker activity levels and brood presence. Avoid disturbing the nest frequently, these cryptic ants prefer stability.

Handling and Temperament

Myrmecina vieti is a peaceful species that poses no danger to keepers. They do not sting and are not aggressive toward humans. Their tiny size makes them somewhat delicate, avoid handling the ants directly as they can easily be injured. When conducting nest maintenance, work gently and minimize disturbance. These ants are not escape artists in terms of climbing, they lack the adhesive pads that allow some ants to climb glass, but their small size means they can slip through tiny gaps. Focus your prevention efforts on sealing all gaps and using fine mesh.

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