Goldenrod Crab Spider (Misumena vatia)

The Goldenrod Crab Spider alters its coloration from white to yellow by secreting a yellow pigment into its outer cell layer. This allows it to camouflage seamlessly into flowers like goldenrod or daisies to ambush insect prey.

The biological color-changing process is not instantaneous; it takes the spider several days to shift between white and yellow. It takes roughly 10 to 25 days to turn completely yellow, but only about six days to turn back to white.

Misumena vatia is a small spider found widely across the Northern Hemisphere, including North America and Europe. They are most commonly spotted sitting motionless on large, pollen-rich flowers waiting for prey.

They are ambush predators that primarily hunt large insects like butterflies, bees, and flies that land on flowers to gather pollen. Despite their small size, their powerful venom allows them to take down prey much larger than themselves.