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D3974-1headline bar  A hover fly feeds on a zinnia flower**Image Number D3974-1** This hover fly, mimicking a honey bee, feeds on a zinnia flower. Hover flies, despite their mimicry of more dangerous wasps and bees to ward off predators, are harmless to most animals. There are about 6,000 species of hover flies.  Photo by Peggy Greb.  640 pixels wide: (D3974-1.jpg)   Please visit our Image Gallery.


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