Black Widow Spider
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Arthropods, Basic Features
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Many arthropods are capable of carrying disease. This illustration shows some of the general characteristics of arthropods.
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Black Widow Spider
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This is a black widow spider. Note the red "hour glass" on the abdomen. The bite of the black widow produces severe symptoms but is seldom fatal, except in children less than 3 years old and adults over 55 years old. (Courtesy of the Centers for Disease Control.)
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