Nephila kuhli is a species within the genus Nephila, commonly known as the golden orb-weavers. These spiders are notable for their large webs, striking size, and the often golden hue of their silk. Nephila kuhli, like its relatives, is a compelling species both ecologically and visually. Nephila kuhli is known for its large size, especially the females, which are much larger than the males. They create expansive webs that can be several feet across, using silk with a golden sheen that is both strong and beautiful.
Black Golden Orbweaver
Nephila kuhli
Classification
KINGDOM
:
Animalia
PHYLUM
:
Arthropoda
CLASS
:
Arachnida
ORDER
:
Araneae
FAMILY
:
Nephilidae
GENUS
:
Nephila
SPECIES
:
Nephila kuhli
Other Information
Venomous?
Like all Nephila spiders, Nephila kuhli is venomous, using its venom to immobilize prey that becomes caught in its web. The venom effectively subdues insects and is a crucial tool for their survival.
A Danger to Humans?
The venom of Nephila kuhli is not considered dangerous to humans. It might cause mild irritation, including localized pain and swelling, but it is not harmful in a broader medical sense. These spiders are not aggressive to humans and would only bite if directly provoked.
Population Status
Data on the specific population size of Nephila kuhli is limited. However, as with many large orb-weavers, they are typically not considered endangered in most of their range, thriving in suitable habitats where their web-building is feasible.
Black Golden Orbweaver (Nephila kuhli), Photo by David Lowenthal
Life Span:
The life span of Nephila kuhli can extend up to about a year, which is typical for many spider species. In temperate regions, the spiders often complete their life cycle within a year, dying off in the colder months after reproduction.
Weight and Length:
Females are significantly larger than males, with body lengths that can reach several centimeters (commonly around 4-5 cm). Males are much smaller, often only a fraction of the size of females.
Distribution:
Nephila kuhli is found in parts of Asia, thriving in warmer climates where they can sustain their large webs throughout the year. Their typical habitats include forests, gardens, and areas near human dwellings.
Black Golden Orbweaver (Nephila kuhli), Photo by David Lowenthal
Habits and Lifestyle:
Nephila kuhli is diurnal, spending much of its time in or near its web. The web is not just for catching prey; it is also used for mating and as a protective retreat.
Diet and Nutrition:
The diet consists predominantly of flying insects that get caught in their sticky webs. Due to the size of their webs and their efficient hunting technique, they can capture a substantial amount of prey, which is crucial during the breeding season to support the larger females.
Mating Habits:
Mating in Nephila kuhli involves a risky approach by the much smaller male. Males must be cautious to avoid being attacked or eaten by females during or after mating. This behavior, known as sexual cannibalism, is common in the spider world and can sometimes be seen in this species as well.