Responding To Roadblocks

Moebius Strip I I MC Escher

The leaf cutter ant, Atta columbica, must collect a continuous supply of leaves to maintain their fungus gardens, the primary source of food. To move leaves efficiently, the ants clear trails leading from the nest to good foraging sites. These trails can be blocked by branches, stems and other litter falling from trees. When foragers returning to the nest with a leaf piece encounter a large obstacle, they typically drop their burden. The obstacle disrupts the…

Source: Living With Insects Blog

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