this post was submitted on 01 Jul 2025
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Science Memes

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[–] SculptusPoe@lemmy.world 8 points 1 month ago (12 children)

Are ants so visual? I guess so, or there wouldn't be enough advantage for these guys to develop. I thought they went purely by sensing pheromones.

[–] SGforce@lemmy.ca 22 points 1 month ago (11 children)

Maybe it isn't just fooling ants?

Don't know the advantage to fooling everything else but they are convincing. Worked in a warehouse that had a bunch of the red ones one summer. Everybody thought there was an ant problem but they seemed off to me. Firstly, they were never in groups, you'd only find lone ones wandering. Secondly, they walked like ants but held their "antennae" strangely. Lastly, when knocking one off a box I discovered they have a tether thread.

[–] Gullible@sh.itjust.works 7 points 1 month ago (10 children)

Ants are rarely visual, but I’m also struggling to figure out which predator this is meant to dissuade.

[–] seaplant@slrpnk.net 8 points 1 month ago (1 children)

The Wikipedia page on ant mimicry is full of fun facts, but the relevant bits:

Jumping spiders in the genus Myrmarachne are Batesian mimics

Batesian mimics lack strong defences of their own, and make use of their resemblance to a well-defended model, in this case ants, to avoid being attacked by their predators.

Studies on this genus have revealed that the major selection force is the avoidance of ants by predators such as spider wasps and other larger jumping spiders.

But also (not specific to Myrmarachne):

Ant mimics can be myrmecophilous, with the mimics and their ant models living commensally together. In the case of ants, the mimic is an inquiline in the ants' nest. Such mimics may in addition be Batesian or aggressive (predator) mimics. To overcome ants' powerful defences, mimics may imitate ants chemically with ant-like pheromones, visually, or by imitating an ant's surface microstructure to defeat the ants' tactile inspections.

[–] emeralddawn45@lemmy.dbzer0.com 5 points 1 month ago (1 children)

Thats actually wild, they can smell like ants and are convincing enough to pass a physical ant patdown. Crazy.

[–] Swedneck@discuss.tchncs.de 2 points 1 month ago

squeezes your buttcheek yeah they're human, carry on

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