300 dpi: (d3134-1.jpg)
640 pixels wide: (d3134-1.jpg)
 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.
