Dewdrop Spiders

Argyrodes flavescens

Argyrodes flavescens is a species within the Argyrodes genus, which belongs to the family Theridiidae, commonly known as Cobweb Spiders or Dewdrop Spiders. The information provided below is generalized for the genus and family, as specific detailed data on Argyrodes flavescens might be limited due to its relatively less prominent status compared to other spiders. Argyrodes flavescens is a small spider known for its kleptoparasitic behavior, often found in or near the webs of larger spiders from which it steals prey. This genus is known for its shiny, often metallic appearance and varied colors ranging from silver and gold to more subdued browns and blacks, depending on the species.






















Argyrodes flavescens

Other Information


Like many spiders, Argyrodes flavescens possesses venom used to subdue prey. However, there is little to no danger to humans from this spider. The venom is not potent enough to cause significant harm to humans due to the spider’s small size and the low volume of venom.

A Danger to Humans?

These spiders are considered harmless to humans. Their small size and non-aggressive nature mean they pose little to no threat. They are more likely to flee than confront a human.

Population Status

Specific population data for Argyrodes flavescens is scarce. The distribution and abundance can vary widely based on environmental conditions, prey availability, and presence of predators.

Dewdrop Spiders (Argyrodes flavescens), Photo by David Lowenthal

Life Span:
The life span of spiders in this genus can vary, but many live for about 1 to 2 years, depending on environmental conditions and predation pressures.

Weight and Length:
Spiders in the Argyrodes genus are generally small, often male 3-4 mm, female 5 mm.

Singapore, Malaysia (Peninsular states, Sarawak), Indonesia (Bali), Brunei Myanmar, Laos, Sri Lanka, parts of China.

Habits and Lifestyle:
They are known for their kleptoparasitic lifestyle, living in or near the webs of larger spiders and stealing their prey. This behavior allows them to subsist in environments where they might otherwise be outcompeted for food.

Diet and Nutrition:
Their diet consists primarily of small insects or parts thereof, stolen from the webs of their host spiders. They may also consume nectar and pollen, showing a versatile feeding habit.

Mating Habits:
Mating behaviors in Argyrodes can be complex, with males often needing to be cautious to avoid being preyed upon by females. Courtship rituals may include tactile communication and careful approach strategies to ensure successful mating without falling victim to the larger spider.