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Head Count_Black Carpenter Ants (Camponotus pennsylvanicus) DSC_0345.JPG | by NDomer73
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Head Count_Black Carpenter Ants (Camponotus pennsylvanicus) DSC_0345.JPG

Black Carpenter Ants are known to forage up to 100 yards in search of food. Workers are most active at night, traveling from their nest to a food source following pheromone trails. A large colony can have thousands of individuals. The Black Carpenter Ant does not sting, but the larger workers can administer a sharp bite, which can become further irritated by the injection of formic acid, which they produce. Black Carpenter Ants are fiercely territorial with regard to other ants.

 

These Black Carpenter Ants were photographed along the Kiwa Trail, River "S" Unit, Ridgefield National Wildlife Refuge. Note: two ants, three heads.

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Uploaded on January 28, 2007