Giant Golden Orb-Weaver, Golden Silk Spider
Trichonephila pilipes
Araneidae (Orb-Weavers), Order Araneae. Characterized by building vertical wheel-shaped webs and having eight similar-sized eyes arranged in two rows.
Physical Description
Elongated, cylindrical abdomen with striking coloration, a small cephalothorax, and exceptionally long, slender legs featuring prominent tufts of hair (fringe-like brushes) on the tibia segments.
Size Estimate
Females are very large, with a body length around 30 to 50 mm and a total leg span reaching up to 15 to 20 cm. This is an adult female specimen.
Coloration & Markings
The cephalothorax has a silvery-white pubescence underneath, while the elongated abdomen displays striking longitudinal yellow and dark greenish-black stripes. The legs are predominantly black with distinct yellowish or golden banding.
Web Type
Large, permanent, wheel-shaped orb web made of strong golden-hued silk, often accompanied by a distinct barrier web on one or both sides. Built between trees, shrubs, or structural overhangs.
Eye Arrangement
Eight small eyes arranged in two slightly curved rows, set upon a slightly raised tubercle on the clypeus, typical of the orb-weaver family.
Leg Characteristics
Exceptionally long and slender with distinct dark coloration and prominent brush-like tufts of setae on the tibia of the first, second, and fourth pairs of legs. Spines are present but subtle.
Venom & Safety Information
Venom Information
Neurotoxic venom designed to immobilize insect prey. It is generally mild and non-lethal to humans, roughly comparable to a bee or wasp sting.
Medical Significance
Not medically significant. Bites are rare, usually occurring only when the spider is pressed directly against the skin. Symptoms are typically localized pain, redness, and mild swelling that resolve quickly.
Safety Recommendations
Leave the spider alone to do its pest control work. Avoid reaching blindly into dense foliage or structures where webs are anchored. If relocation is necessary, gently guide it into a container using a stick.
Habitat & Behavior
Habitat & Range
Found throughout tropical and subtropical regions of Asia and Oceania, ranging from India and China through Southeast Asia down to northern Australia. Prefers forested areas, garden edges, and sheltered outdoor structures.
Behavior & Temperament
Docile and non-aggressive. It sits motionlessly at the center of its massive web waiting for prey. When disturbed, it typically bobs up and down or retreats to the edge of the web rather than biting.
Diet & Prey
Mainly consists of flying insects such as large beetles, flies, moths, and sometimes small birds or bats that accidentally fly into the robust golden web.
Seasonal Activity
Most active during the warm, wet spring and summer months, with mating and egg-laying typically occurring in late autumn before the adults die off with the first frost or dry spell.
Description
The Giant Golden Orb-Weaver is one of the most magnificent spiders in the world, famous for its impressive size, striking yellow-and-black patterns, and enormous webs spun from silk that visibly glimmers with a golden hue in the sunlight.
Key Features
Extremely large female size, elongated yellow-striped abdomen, distinct brush-like tufts of hair on the long legs, and a large golden-hued orb web.
Similar Species
Trichonephila clavata (Joro spider) and other Trichonephila species, distinguished primarily by specific abdominal patterns and geographic distribution.
Life Cycle
Females construct brownish egg sacs containing hundreds of eggs hidden in nearby foliage. Spiderlings emerge after several weeks, disperse via ballooning, and mature through multiple molts over a single year.
Ecological Importance
Acts as a primary natural controller of flying insect populations, helping regulate pest species while serving as a food source for birds and larger reptiles.
Conservation Status
Not evaluated by the IUCN, but populations are generally stable and widespread throughout their natural tropical and subtropical range.
Interesting Facts
The golden coloration of the silk acts as camouflage in dappled sunlight and may also lure UV-sensitive insect prey. The silk is incredibly strong and has been studied for potential commercial biomaterial applications.
Photography Tips
Use a macro or telephoto lens to maintain a safe distance. Backlighting can dramatically highlight the golden sheen of the web. Photograph from a side angle to clearly show abdominal markings and leg tufts.
Identified: 2026-08-15T04:24:20.132900