Under a moderately high magnification of 736X, this scanning electron micrograph (SEM) revealed some of the ultrastructural exoskeletal morphology displayed by an unidentified white moth, which had been found deceased on the ground in the suburbs of Decatur, Georgia. In this particular view, you'll note the thin, ribbony structures, which are known as "setae", and are sensorial in nature, and the striated scales. Both setae and scales are found all over the insects exoskeletal surface, and are composed of the same chitinous material.
CDC/ Janice Carr, Oren Mayer
November 27, 2012
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