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Unidentified Spider |
Credit & Copyright: Dr. Bruce G.
Marcot
Explanation: I am not sure of the identification of this spider I encountered in the Otway Range of southern Victoria, Australia. But as I stared at it ... ... it seemed to stare back at me. Note the two white spots on its abdomen. They do look a lot like eyespots that many butterflies have evolved to fool predators. Further, by its spinneret -- the glad secreting silk lines to form the web -- at the tip of the abdomen, are also two black eye-appearing glands, flanked by two more white spots. I don't know if this species has been studied. There are some interesting cases of other invertebrates evolving mimicry and false anatomical structures as anti-predator adaptations, such as the "two heads" of a hairstreak butterfly evolving to avoid predation by jumping spiders (Sourakov 2013). But this species ... ?
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