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Siler semiglaucus
colorful designs at the back, hairy, tiny and elusive jumping spider with metallic body
Siler semiglaucus, originally described in 1901 and having a range from South-East Asia to Malaysia and Papua New Guinea. They have a curious habit of waving their forelegs in the air..they are predators of ants.
Yes, I noticed it too.
I can't tell you the answer actually.
I guess that maybe the hairs grow as it age.
thanks ChunXingWong...yes it does rise and lowers its "arm" but there is a slight difference..noticed the hairs on the arms...?
It's a Siler semiglaucus jumping spider.
I'm sure you have noticed it always rising and lowering it's "arm".