ID#: 10056
Caption:
Under a magnification of 114X, this scanning electron microscopic (SEM) image depicted some of the exoskeletal characteristics displayed on the head region of an unidentified beetle found in the suburbs of Decatur, Georgia. In this particular view, there were what appeared to be numerous hairs growing up from the organism’s exoskeletal surface. These structures are sensorial in nature, and are known as setae, providing the insect with information about its environment including thermal changes, changes in wind direction, and the presence of chemicals such as poisons or pheromones. These setae are composed of chitin, like the exoskeleton itself.
High Resolution: Click here for hi-resolution image (5.49 MB)
Content Provider(s): CDC/ Janice Haney Carr
Creation Date: 2006
Photo Credit: Janice Haney Carr
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