Weaver Ant

Fascinating facts about the Weaver Ant

• A single weaver ant colony can swell to half a million individuals. Workers measure just 5-7 mm, majors 8-10 mm, and the queen reaches 20-25 mm, yet together they build sprawling arboreal empires. Colonies may spread, with one recorded example occupying 151 nests in 12 trees, and persist for about eight years.
• Weaver ants stitch leaves together at night using silk from their larvae, creating leaf-houses. Workers first pull leaf edges, then form living bridges where ants climb on each other's backs to generate extra leverage. Once the leaf is positioned, larvae are waved across the seam, releasing silk that permanently binds the structure. This multi-phase teamwork doubles the pulling force of each ant, illustrating a rare example of collective engineering that outperforms the simple sum of individual effort.
• In Singapore's sea hibiscus and great morinda trees, weaver ants act as bodyguards, trading protection for nectar. The ants patrol the canopy, driving away herbivorous insects that would otherwise chew leaves, while the trees reward them with sugary secretions. This mutualism gives the ants a reliable food source.
• Weaver ants are a culinary and medicinal resource across their range. In Java, Indonesia, the larvae and pupae, known locally as kroto, are harvested for bird food and fish bait, providing a protein-rich supplement for captive songbirds. In Thailand and the Philippines the same larvae are eaten as a sour, lemony delicacy, while in parts of India adult ants are used in traditional remedies for rheumatism and stomach infections. This human use links ant biology directly to local economies and cultural practices.
• Weaver ants have inspired some of nature's most convincing mimics. The jumping spider Myrmaplata plataleoides disguises itself with a contracted body and two black spots that look like ant eyes, steal brood. Another spider, Cosmophasis bitaeniata, emits deceptive chemical scents to fool the ants.

Sources

Every fact above was checked against these pages, and kept only where one of them states it.

• Wikipedia

At a glance

About the Weaver Ant

In the lush, vibrant tapestry of the tropical forest, the weaver ant is a master architect, its industrious colonies weaving intricate, silk-encrusted metropolises amidst the leafy canopies. With precision and purpose, these diminutive creatures move through the world, their dark, iridescent bodies glinting like polished onyx as they navigate the intricate networks of twigs and leaves that serve as the framework for their remarkable, suspended cities. As they work, their collective energy is a testament to the awe-inspiring power of cooperation and ingenuity in the natural world.

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