Oecophylla
Oecophylla longinoda
Nuptial Flight Calendar
Care Guide
Oecophylla longinoda, the African weaver ant, is a master architect of the treetops. These ants display an impressive size range and a highly organized social structure. The queen, at 20 to 25 mm, is a magnificent sight — among the largest ant queens kept by hobbyists. Workers vary from 5 to 10 mm, with major workers often being larger and more robust, serving as defenders and heavy lifters. But the most remarkable feature of this species is their ability to weave living leaves into nests using the silk produced by their own larvae. Adult workers hold a larva in their mandibles like a living glue gun, guiding it to stitch leaf edges together. This cooperative construction creates strong, waterproof arboreal homes that can house hundreds of thousands of individuals.
The diet of Oecophylla longinoda is carnivorous and sugar-loving. These are active hunters of insects, from flies to beetles and caterpillars, which they overwhelm with coordinated group attacks. In the wild, they also tend scale insects and other hemipterans for honeydew, a sugary secretion they prize. In captivity, a steady supply of live or freshly killed insects is essential, supplemented with sugar water or honey water. Protein drives larval growth and colony expansion, while sugars fuel the relentless energy of adult workers.
Care difficulty
Keeping Oecophylla longinoda is not for beginners — it is classified as expert level. Their enormous colony size, high humidity requirements, and need for vertical, leaf-filled spaces make them challenging to accommodate indoors. They are also aggressive and fast, and can deliver a painful bite that leaves a small chemical wound. Escape prevention is critical; they will exploit the tiniest gap. Additionally, weaving behavior requires a constant supply of fresh leaves and plant matter, which must be replaced regularly as leaves dry and die. The hobbyist must be prepared to provide a large, custom enclosure with a strong mesh barrier.
Housing
A formicarium for weaver ants must be primarily vertical and spacious. Many keepers use a large glass terrarium or a custom acrylic box with a fine mesh lid. Inside, provide sturdy branches or artificial structure to which fresh leaves (such as bramble, oak, or Ficus) can be attached or placed. The ants will weave these leaves together, forming their nests. Maintain a temperature of 24–30°C and humidity of 70–90% — misting daily and using a humidifier is often necessary. A water source (e.g., a test tube or gravity feeder) and a clean outworld for feeding ensure good hygiene. Because these ants do not hibernate, stable tropical conditions must be provided year-round.
First days after purchase
Upon arrival, transfer the colony into a temporary setup with a test tube or small container placed inside a larger outworld. Add a few fresh leaves so the ants can begin to feel at home. Keep the enclosure in a quiet, dim location and avoid any vibrations. Do not disturb the queen or workers for the first few days. Offer a single, small insect (like a fruit fly or roach nymph) and a droplet of sugar water on a piece of foil. Observe from afar — weaver ants are cautious when acclimating. Over the following week, gradually introduce more leaves and adjust humidity to the high end of the range. Patience and a steady hand are the keys to success with these remarkable architects.