Vollenhovia minuta

Quick Summary

• Difficulty: Medium, tiny size makes housing challenging, requires careful escape prevention.
• Origin & Habitat: Native to Malaysia and Singapore. Found in old/mature secondary forest and abandoned plantation forests, typically nesting under bark of large fallen tree trunks or near bases of live trees ^[1].
• Colony Type: Unconfirmed, a single queen was documented in Singapore, but social structure is not known ^[1].
• Size & Growth:
  • Queen: Undocumented, size data unavailable.
  • Worker: 1.8-2mm total length ^[1].
  • Colony: Unknown, likely small, possibly under 500 workers based on tiny worker size, but not documented.
  • Growth: Unknown, likely slow to moderate.
  • Development: Estimated 4-6 weeks based on typical tropical Myrmicinae development. (Direct study is lacking, timeline is inferred from similar small tropical ants.)
• Antkeeping:
  • Temperature: Keep at 24-28°C. As a tropical forest species, they need warm, stable conditions year-round.
  • Humidity: Moderate to high humidity, keep the nest substrate damp but not waterlogged. Mimic the humid microclimate under bark in forests.
  • Diapause: No, tropical species from Singapore and Malaysia, no hibernation required.
  • Nesting: Small test tubes with water reservoir, or small plaster/acrylic nests with narrow chambers (3-5mm). They nest under bark in nature, so prefer dark, snug spaces. Avoid large open formicaria.
• Behavior: Very small and docile. Defense mechanism: uses a modified spatulate stinger to smear venom on enemies (typical of Crematogastrini tribe). High escape risk due to tiny size, use fine mesh and seal all gaps. Not aggressive and poses no danger to keepers.
• Common Issues: escape prevention is critical due to minute size, they slip through tiny gaps., small colony size means growth is slow and requires patience., wild-caught colonies may carry parasites that can decimate small populations., humidity control is important, too dry can desiccate, too wet promotes mold., cotton stoppers in test tubes must be packed very tightly to prevent escape.

Housing and Nest Setup

Because of their tiny size, Vollenhovia minuta needs secure housing. Use small test tubes (10-12mm diameter) with a water reservoir for founding. Pack the cotton stopper extremely tight, these ants can squeeze through standard cotton fibers. For established colonies, small plaster or acrylic nests with narrow chambers (3-5mm high) work well. They naturally nest under bark ^[1], so prefer dark, tight spaces. Avoid large open formicaria. Connect a small outworld for foraging via narrow tubing, and seal all joints with tape or silicone.

Feeding and Diet

Vollenhovia minuta is likely a generalist omnivore. Offer sugar water or diluted honey (1:1 with water) on a small piece of cotton or in a tiny dish. For protein, provide very small prey: fruit flies, pinhead crickets, or small mealworms. Cut larger prey into pieces that match their 2mm worker size. Feed every 2-3 days and remove uneaten food quickly to prevent mold. They may also collect honeydew if given access to plants.

Temperature and Humidity

Maintain temperatures between 24-28°C year-round. This tropical species does not tolerate cool conditions. Use a heating cable or heat mat on one side of the nest to create a gradient, place it above the nest to avoid drying out the water reservoir. For humidity, keep the nest substrate damp (not wet) by watering the substrate or using a moistened cotton plug in test tubes. Avoid direct misting of the nest, mist the outworld instead. These conditions mimic the humid forest understory. ^[1]

Colony Care and Maintenance

Colonies will likely stay small, expect up to a few hundred workers at most. Growth will be slow, so be patient. Do not disturb the founding queen, leave her alone until nanitics appear. Monitor for mold, especially in humid setups. Because of their minute size, check all escape routes: use fine mesh (0.5mm or smaller) on ventilation, apply fluon to barriers, and examine connections under bright light. Quarantine any wild-caught colonies for several weeks to check for parasites before introducing near other colonies.

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