The Siler collingwoodi, a jumping spider species, uses camouflage and ant-mimicry as defenses against predators, blending with plants and adopting ant-like movement to evade spider predators, but not praying mantises, a study in iScience revealed. However, limb loss hampers this mimicry, increasing
, an ant-mimicking spider. This species of jumping spider uses a combination of camouflage and ant-mimicry for protection from predators, according to a study published in. The spiders are known to move similarly to ants and their bright coloration blends well with their environment. The spiders raise their front legs to mimic ant antennae, bob their abdomens, and lift their legs to mimic ant movement, with their gait and trajectory resembling multiple ant species rather than one specific ant.
The research team also explored the role of the spider’s brilliant coloration. “Unlike typical ant-mimicking spiders that mimic the brown or black body color of ants,has brilliant body coloration,” says first author Hua Zeng, an ecologist at Peking University. “From a human’s perspective, it seems to blend well with plants in its environment, but we wanted to test whether their body coloration served as camouflage to protect against predators.
This is a graphical abstract that explains how the jumping spider Siler collingwoodi mimicks the way ants walk to avoid being eaten. The spiders are also brightly colored, which may help them to camouflage with plants. Credit: Zeng et al. “We initially thought that both predators would behave similarly in the antipredation experiments, but in fact the simulated ant locomotion ofonly worked for the jumping spider predator, while the praying mantis showed indiscriminate attacks on both ants and mimics,” says senior author Wei Zhang, an evolutionary ecologist at Peking University.
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