Argentine Ants

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  • Appearance: Argentine ants are dark brown to light brown in color. They are 2.2 to 2.8 mm in length. Their antennae have 12 segments.
  • Behavior, Diet & Habit: Argentine ants are quite adaptable. They can nest in a variety of places such as moist soil, under buildings, along sidewalks or beneath boards. Argentine colonies are quite large, they contain up to hundreds of queens. Argentine ants travel in trails. They prefer to eat sweet foods, but are omnivorous which means they can eat about anything. Argentine ants will also live in soil, under wood, logs, debris or mulch. They will also nest at the base of shrubs and trees. Measuring at 20 cm (8 in) in depth, their nests are considered shallow.
  • Reproduction: Argentine ants are like any ant species, the pass through the process called complete metamorphosis. The Eggs are white, larvae become apparent from them around 28 days. Argentine ants reach adult stage around 75 days.
  • Signs of an Argentine Ant Infestation: The most visible sign of Argentine ants are their trails. They are seen traveling up trees into homes, and buildings. Argentine ants will move inside a home or a building when their outside habitat has been disturbed, or if there is a good food source inside. They will gain their access inside via tree branches, plumbing and communication lines. Colonies have multiple queens and some workers, workers will live about 1-2 months, queens will live up to years more.
  • Prevention and Control: First of all, you need to identify the ant, more often than not a professional needs to be involved. Argentine ants are persistent and a very problematic specie. If all nests are not eliminated, homeowners will experience infestations year after year if not properly taken care of. Removing ground clutter, avoiding overwatering, repairing leaks and keeping water from the roof away from the foundation are all ways you can help infestations. Removing food sources, keeping tree branches and limbs trimmed as well as shrubs trimmed will also help. Sealing cracks and crevices on the outside of the home or building will help them from not entering.
  •  More Information: Argentine ants are all the same size and they travel in defined trails. They travel between their web nets and food sources.
  • Nests and Colonies: Argentine ants do not make new nests by swarming like other ant species do. They produce reproductive that do not swarm from the nest, they mate on the inside of the nest. Due to temperature or different colony pressures, queen Argentine ants will leave the nest and establish a new colony. Her new nests are made around the original, and will remain intertwined with her old colony. The workers will be shared between multiple colonies.
  • Queens: Argentine queens are very different than other queens of ant species. They are small, 1/ 6-1/4 inch. After a winged queen mate with a winged male they are continuously producing fertile eggs for as long as they live. Each colony can have several queens; each queen can lay up to 60 eggs a day. Argentine queens feed their young; they will also work outside their nest.
  • Males: Male ants hatch from the queen’s unfertilized eggs; they live for only a short period of time. They are to only mate with a queen to help preserve the colony. After mating they will die.
  • Argentine ants: They kill other insects, and will enter human surroundings. The network of colonies could become a serious problem. Each colony is massive, and contains millions of insects and the same amount of queens. With that said, these ants can populate a radius of an entire city block. Please leave these infestations up to your professional pest control provider.


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(480) 696-6023
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(801) 372-5782
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