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  • Leafcutter Ants - (Atta spp.)

    Leafcutter Ants - (Atta spp.)

    Hard-working Leafcutter Ants work as a team, taking shade under their umbrellas of foliage.

    Picture of Leafcutter Ants
    Staff Writer (1/4/2016): Leafcutter Ants are typically found in tropical regions of Central America, however, some species reach into North America as far north as the American Southwest. The lack of humidity in that area is not a problem for these genera that thrive in hot weather. They live in large colonies underground and can be seen trekking across branches, tree trunks and on the ground, carrying large pieces of leaves back home. The individual ant chews a portion of leaf that it can carry, often more than three times larger than itself. It hoists the leaf above its head using its jaws. The leaf tends to cast shade onto the ant carrying it, like a tiny umbrella, rendering the nickname "parasol ants". It races back to the colony to deliver its offering. The leaf will be chewed into a pulpy mass that makes a perfect breeding ground for a particular fungus that the ants eat. The fresh leaf matter is necessary to sustain the fungal diet.

    Colonies can contain up to 2 million worker ants. Workers do not sting, but they can bite. Colonies have multiple points of entry/exit and inhabitants care for multiple queens. A large colony can span over 20,000 sq feet (2,000 sq meters) underground. On the hottest days of the year, most harvesting work may be done at night, but daytime activity is normal for all species. To see video of these productive creatures, click below:

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    Details of the:
    Leafcutter Ants

    Category: Bee, Ant, Wasp and Similar
    Common name: Leafcutter Ants
    Scientific Name: Atta spp.
    Other Names: Parasol Ants, Town Ants, Fungus Ants

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Hymenoptera
          Family: Formicidae
           Genus: Atta
            Species: spp.

    Size (Adult, Length): 2mm to 13mm (0.08in to 0.51in)

    Identifying Colors: red, brown

    Additional Descriptors: fast, carry, cluster, numerous

    North American Reach (Though Not Limited To*): Arizona; Louisiana; New Mexico; Texas; Mexico

    * Keep in mind that an insect's reach is not limited by lines on a map and therefore may appear in areas/regions/states beyond those listed above.

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