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Description:At a low magnification of 105x this scanning electron microscopic (SEM) image depicted some of the morphologic details found at the distal end of a leg of a carpenter bee, Xylocopa virginica. Note the configuration of what is known as the "tarsal claw", used by the bee to grasp objects in its environment while obtaining food, or tunneling a nest. The "hairs" on the bee's leg, are not hairs in the mammalian sense, but rather than being composed of keratin, these hair-like structures are composed of "chitin", a polysaccharide, i.e., complex carbohydrate molecule, composed of monosaccharides joined together by glycosidic bonding. These hairs are sensorial, as well as protective, both insulating the bee from thermal changes in its environment, and possible physical assaults.
This particular bee was found deceased on the grounds of the Decatur, Georgia suburbs, an area where these insects are quite common. Carpenter bees can be quite a nuisance, for they are well known as wood-borers, and can create many unsightly holes in a home's wooden components.
High Resolution: Click here for hi-resolution image (5.48 MB)
Content Providers(s):CDC/ Janice Haney Carr, Oren Mayer
Creation Date:2006
Photo Credit:Janice Haney Carr
CDC Organization
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Copyright Restrictions:None - This image is in the public domain and thus free of any copyright restrictions. As a matter of courtesy we request that the content provider be credited and notified in any public or private usage of this image.