orb weaver spider rebuilding its entire web every single night
- Size
- Body: 1–2 cm
- Lifespan
- 1–2 years
- Diet
- Predatory: feeds on flying insects including moths, flies and wasps caught in its large, circular web. Builds a new web each day, usually at dusk, and consumes the old web in the morning to recycle silk proteins.
- Habitat
- Master decorators of the garden, usually found suspended in mid-air between shrubs, across garden paths or conveniently at face-height across your favourite hiking trail. During the day, many species retreat to a curled leaf or crevice.
- Range
- Throughout North and South Islands in gardens, forests and scrublands. Most common in lowland areas with abundant flying insects and suitable sites for web construction between shrubs, trees and garden structures.
- Endemism
- Native
- Main Threats
- Habitat loss from urban development and clearance of vegetation. Pesticide use in gardens which kills both spiders and their prey. Light pollution which reduces ability to catch flying insects at night.
- Population
- New Zealand hosts diverse range of over 50 orb weaver species, including iconic garden orb weaver. Most conspicuous in late summer and autumn when females reach full, bulbous size and webs are at their most expansive.
- Conservation Status
- Not Threatened
The classical architect of the New Zealand invertebrate world. A spider that builds geometry.
The orb weaver spider is a master of structural engineering and vibratory monitoring. Their anatomy is optimised for life at the centre of a geometric masterpiece, featuring specialised silk glands capable of producing both non-sticky navigational spokes and a spiral of glue-coated interceptor silk. A spider that is an engineer.
Operating as aerial interceptors, they monitor their circular webs with the sensitivity of a seismograph, detecting the microscopic struggle of bothersome flies or agricultural pests. This hub-based strategy represents a state of resourceful industry, where many species actually consume and recycle their own silk proteins every evening to fuel the construction of a fresh, high-performance trap for the night. A spider that eats its own web.
The life cycle is a definitive sign of seasonal rhythm, where survival is dictated by the endurance of the overwintering egg. Following a high-stakes breeding phase in autumn, the female produces a tough, golden silk egg sac secreted near her retreat, ensuring the lineage persists long after the adults succumb to the first winter frosts.
This existence is a masterclass in persistence and geometry, illustrating how a silent weaver can turn sunlight and insects into intricate patterns that have remained unchanged for millions of years.
The female is much larger than the male. After mating, she often consumes the male, gaining valuable nutrients for egg production. The garden is quiet. The orb weaver sits at the hub of her web, waiting. A fly hits the sticky spiral. The spider feels the vibration, rushes out, wraps the fly in silk. It does not know it is an architect. It does not know its web is a masterpiece.
It just wants to eat a fly. To encounter a large, hairy spider sitting patiently at the hub of its seasonal decoration is to witness a survivor that has mastered the art of the silent weaver. The orb weaver is proof.