This scanning electron micrograph (SEM) depicted the head region of an unidentified hymenopteran insect found deceased on the grounds of the Decatur, Georgia suburbs. From this perspective, and at a relatively low magnification of 28x, one can see a number of sensory structures, which provide this insect with information about changes in its environment: eyes, antennae, sensorial hairs, or 'setae', and the three 'simple eyes' set in a triangular patter atop its head, the 'ocelli'.
CDC/ Janice Carr
November 4, 2012
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