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ARS Home Office of Communications Images Photos Apr14





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Image Number D3134-1 The fire ant’s sting apparatus, which includes stinger, poison gland (source of venom and allergy-causing proteins), and Dufour’s gland (source of trail pheromone). Length from stinger tip to end of poison sack is about 1.5 millimeters.  Photo by Justin Schmidt.  640 pixels wide: (d3134-1.jpg)   Please visit our Image Gallery


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