Face to Face with Ants

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Pheromone: a chemical signal used for communication.

Ant Factoids

We have collected a few facts about ants that you might find interesting. More are still to come.

How much weight can an ant carry?

ant lifting weights illustrationAccording to different estimates, ants can carry 10 - 50 times their body weight! How? Because ants are so small, their muscles have a greater cross-sectional area (they are thicker) relative to their body size than in larger animals. This means they can produce more force pound-for-pound (or in the case of an ant, milligram-for-milligram). 

How many types of ant are there in the world?

Scientists have described over 12000 ant species. Many more have yet to be discovered, especially in the tropics. The total weight of all ants on Earth is close to that of humans. That’s pretty impressive considering the average ant is about one-millionth the size of a human being!

Does the queen control the colony?

No. Despite her size and royal title, the queen doesn't boss the workers around. Instead, workers decide which tasks to perform based on personal preferences, interactions with nestmates, and cues from the environment. The colony exhibits a division of labor where different individuals specialize on different jobs. Younger ants often work inside the nest, taking care of the queen and her brood. Older workers are more likely to go outside to gather food or defend the nest against enemies.

How do ants communicate?

Ants communicate mainly using chemicals, which they sense with their antennae. They release pheromones with specific messages, such as "Follow me to food!" or “Attack the intruder!”. In addition, nestmates recognize one another by chemicals on their bodies. The queen is coated with a unique blend of chemicals that advertises her presence. Ants can also use touch and vibration to communicate.

Are all ants pests?

No. Ants serve many roles in nature, some of which are beneficial to humans. They eat other insects, pollinate plants, disperse seeds, move soil, and circulate nutrients. Because ants perform all these functions, they are a key component of many ecosystems.

Which hurts worse, an ant’s bite or its sting?

Usually its sting. The bite of most ants (except for really big ones) feels like a weak pinch. But even tiny ants can deliver venom through their stings, resulting in burning, itching, and/or swelling. Hence, names like fire ant and bullet ant. Remember though that many ants don’t have stings and are more or less harmless to humans.

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Bibliographic details:

  • Article: Ant Factoids
  • Author(s): Dr. Biology
  • Publisher: Arizona State University School of Life Sciences Ask A Biologist
  • Site name: ASU - Ask A Biologist
  • Date published: September 22, 2009
  • Date accessed: February 22, 2018
  • Link: https://askabiologist.asu.edu/content/ant-factoids

APA Style

Dr. Biology. (2009, September 22). Ant Factoids. ASU - Ask A Biologist. Retrieved February 22, 2018 from https://askabiologist.asu.edu/content/ant-factoids

American Psychological Association. For more info, see http://owl.english.purdue.edu/owl/resource/560/10/

Chicago Manual of Style

Dr. Biology. "Ant Factoids". ASU - Ask A Biologist. 22 September, 2009. https://askabiologist.asu.edu/content/ant-factoids

MLA 2017 Style

Dr. Biology. "Ant Factoids". ASU - Ask A Biologist. 22 Sep 2009. ASU - Ask A Biologist, Web. 22 Feb 2018. https://askabiologist.asu.edu/content/ant-factoids

Modern Language Association, 7th Ed. For more info, see http://owl.english.purdue.edu/owl/resource/747/08/
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