Camouflage
by Gayle Swigart
Title
Camouflage
Artist
Gayle Swigart
Medium
Photograph - Photography
Description
A Goldenrod Crab Spider has shed its pigment to blend into its surroundings.
These spiders change color by secreting a liquid yellow pigment into the outer cell layer of the body. On a white base, this pigment is transported into lower layers, so that inner glands, filled with white guanine, become visible. If the spider dwells longer on a white plant, the yellow pigment is often excreted. It will then take the spider much longer to change to yellow, because it will have to produce the yellow pigment first. The color change is induced by visual feedback; spiders with painted eyes were found to have lost this ability.
The color change from white to yellow takes between 10 and 25 days, the reverse about six days.
Uploaded
October 27th, 2012
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Viewed 148 Times - Last Visitor from New York, NY on 03/17/2024 at 2:22 PM
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Comments (3)
David Patterson
Lovely floral, Gayle! Not sure about the spider! :)
Gayle Swigart replied:
Thank you, David. :) I think that spider is lovely as long as it keeps plenty of distance from me!