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{short description of image}Image Number K8747-1 Entomologist Donald Barnard demonstrates the attraction of female yellowfever mosquitoes to his hand in an olfactometer. The olfactometer contains a screen separating the attractant (in this case, his hand) from the mosquitoes. Photo by Peggy Greb.  640 pixels wide: (k8747-1.jpg)   Please visit our Image Gallery


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