Species Overview

Oecophylla smaragdina (Fabricius, 1775), commonly known as the Asian Weaver Ant, is a highly social arboreal ant distributed from South and Southeast Asia through southern China to northern Australia. The species is renowned for one of the most remarkable construction behaviors in ants: workers pull living leaves together and use late-stage larvae as silk-producing tools to bind the leaf edges into enclosed nests.

Mature colonies are polydomous, meaning a single colony can occupy many leaf nests distributed across multiple branches or even multiple trees. Large colonies may contain hundreds of thousands of workers. Queen number varies geographically: many established colonies are effectively single-queen, while stable multi-queen colonies have been documented in some populations.

Natural Habitat & Behavior

Leaf-Weaving Architecture: Workers cooperate by gripping and pulling leaf edges, sometimes forming chains or bridges with their own bodies. Once the leaves are positioned, workers carry mature larvae along the seam; the larvae release silk that binds the leaves together. This behavior makes O. smaragdina one of the clearest examples of collective construction in social insects.

Territorial & Diurnal: Colonies are strongly territorial and predominantly active during daylight. Workers use vision, chemical communication, and coordinated recruitment while patrolling vegetation and attacking arthropod prey. They can bite forcefully and may apply formic-acid secretions during defense, so direct handling is not recommended.

Large Multi-Nest Colonies: In nature, a mature colony may maintain dozens of leaf nests across a large arboreal territory. Different nests can function as brood, worker, or staging areas while remaining socially connected as one colony.

Comprehensive Keeping Guidelines

Nest Type: An arboreal enclosure with secure vertical space is strongly recommended. A live or cut leafy branch, potted non-toxic plant, or replaceable flexible leaves can provide suitable material for natural nest construction. Traditional artificial nests can still serve as temporary transport, hydration, or backup chambers, but the long-term setup should give the colony access to elevated shelter and usable leaf-like surfaces.

Temperature: Approximately 24–28°C (75–82°F) is a practical starting range for an established colony. Published laboratory colonies have been maintained successfully near 25–27°C. Avoid prolonged overheating and always provide areas away from direct heat sources.

Humidity: Moderate humidity with access to fresh water is more important than maintaining one fixed RH number. Research colonies have been maintained under substantially different humidity regimes, so good ventilation, reliable hydration, and prevention of standing condensation are preferable to keeping the entire enclosure constantly saturated.

Ventilation: Provide good air exchange, especially around dense leaf nests. Humidity should support the colony and plant material without creating stagnant, continuously wet conditions.

Foraging Area: Use a spacious, escape-secure arboreal outworld with branches, stems, or climbing structures. Because workers are fast, highly active, and territorial, secure lids and effective escape barriers are strongly recommended.

Feeding & Nutrition

Carbohydrates: Provide regular access to sugar water, diluted honey water, or another clean carbohydrate source. In nature, O. smaragdina obtains substantial energy from nectar, extrafloral nectar, and honeydew-producing insects.

Protein: Offer clean feeder insects such as flies, crickets, roaches, or mealworm pieces. Arthropod prey supplies protein required for brood production and colony growth.

Feeding Schedule: Keep a clean carbohydrate source available according to colony demand and offer insect protein several times per week as a practical starting point. Larger, rapidly growing colonies may require substantially more food. Adjust the quantity according to worker number, brood load, temperature, and actual consumption.

Water: Fresh water should always be available in a safe form. Do not rely on fruit, leaves, or sugar solution as the colony's only water source.

Advanced Care Considerations

Leaf Supply & Nest Building: Not every colony will immediately weave a new nest after relocation. Provide flexible, overlapping leaves or equivalent surfaces close to the colony and allow workers time to choose a suitable site. Avoid repeatedly dismantling completed leaf nests for viewing.

Colony Expansion: Mature colonies can become extremely large and may occupy many nests. Plan additional vertical space, feeding capacity, and safe access before the colony reaches its mature size. Expanding the enclosure gradually is safer than allowing workers to colonize uncontrolled areas of a room or greenhouse.

Worker Castes: O. smaragdina has distinct major and minor worker roles. Larger workers are heavily involved in foraging, defense, territorial activity, and nest construction, while smaller workers contribute strongly to brood care and internal nest tasks.

Acclimation: After delivery, allow the colony several days to stabilize with minimal disturbance. Complete the required continuous unboxing video first, then provide water, carbohydrates, suitable insect protein, and secure elevated shelter. Avoid intense heating or repeated relocation immediately after shipping.

Our AntNook Promise

• ✅ International Air Express: Specialized international shipping is available to supported destinations, with packing adjusted according to destination and expected conditions.
• ✅ Pre-Shipment Health Check: Live colonies are observed, hydrated, fed when appropriate, and checked for general activity before dispatch.
• ✅ Live Arrival Guarantee: Eligible shipments are covered by our current Live Arrival Guarantee. Temperature-based claim deadlines, mandatory continuous unboxing-video requirements, and other conditions apply.
• ✅ Responsible Sourcing: Availability depends on current breeder, collector, and specialist-supplier access. Shipping and export arrangements are confirmed according to the destination and specific order.
• ⚠️ Import & Customs Responsibility: Buyers are responsible for understanding destination-side import restrictions, permits, and possession requirements. Customs seizure, rejection, destruction, or major government delay is not covered by the standard LAG unless otherwise confirmed in writing before shipment.

Responsible Keeping & Legal Notice

Oecophylla smaragdina is a fast-growing, territorial arboreal ant that requires secure containment and substantial long-term space. Never intentionally release captive ants into the wild. Buyers are responsible for understanding any import, possession, permit, or environmental requirements that apply at their destination. Please review AntNook's current Live Arrival Guarantee, Refund Policy, and Legal Notice before ordering.