Silver-faced Spider, Utria National Park, Colombia

I think it is a silver-faced spider, not entirely sure. This is a top view of a larger, hanging cog web. The extra thick additional pattern in the middle, called a stabilimentum, was unusually large.

comments (4)

Ferdy Christant

Lion

Thanks for the ID @wildflower. Interesting to read about it spinning a silk disc. Posted 7 years ago
1. WildFlower
  
  Lion
  
  That's what you have on your photo instead of the X that most other species form. Posted 7 years ago
2. 1. Ferdy Christant
    
    Lion
    
    Yes, that's what I was referring to :) But why do they do it? The wikipedia page for stabilimentum still mentions scientists have no idea, only have theories. Posted 7 years ago
  2. 1. WildFlower
      
      Lion
      
      I have no idea either. I am not such a big fan of spiders. There are stranger things in nature anyway and there is not always a good explanation for them. Posted 7 years ago

The Argiope savignyi

''Argiope savignyi'' is a species of orb-weaving spider that occurs from Mexico to Bolivia.
It was observed to capture and feed on the proboscis bat ''Rhynchonycteris naso'' in Costa Rica, totally encasing the bat in silk during the course of a day.

''A. savignyi'' sometimes spins a silk disc, sometimes a cruciate pattern, and sometimes combines both types.

The species is named after French zoologist Marie Jules César Savigny, in whose volumes the name ''Argiope'' was.. more

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Similar species: Spiders

Species identified by WildFlower