EarthSky // FAQs // Biodiversity By EarthSky Sep 23, 2009

How sensitive is an ant’s sense of smell?

The kind of ants you see in your kitchen probably have a few thousand of these “smell cells,” and the cells are tuned to different classes of odors.

Ants use special nerve cells associated with tiny hairs on their antennae to smell odors. The kind of ants you see in your kitchen probably have a few thousand of these “smell cells,” and the cells are tuned to different classes of odors.

Ants seem to be able to smell most of the substances humans can smell. An ant worker foraging for food might find a tasty morsel by chance. As it returns to the nest, the ant will leave behind a chemical trail for co-workers to follow back to the food source. Within minutes you might find a line of ants leading to your bit of cheese.

The brain that controls all this has a volume of about one one-thousandth of a cubic millimeter, and may contain somewhere between 20 thousand and 100 thousand nerve cells. Compare that with the human brain. Our brains contain roughly ten to the twelfth nerve cells – that’s a one with twelve zeros at the end.

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3 Responses to How sensitive is an ant’s sense of smell?

  1. Tyler seto says:

    how do i make a smell for the ants to smell the super smell suger water. that all i’m asking is all.

  2. gary fowler says:

    Most of the time ants send scouts and they really stumble on to the sugar, he doesnt know its sugar till he really tastes it. then he goes back to to the nest. He doesnt use a trail of necter or anything he uses his sense of feelings like a bat with its radar but in this case he uses his antenia with this he finds his way back to his nest and usually guides the other ants to the location of the sugar thats why they call them worker ants of course. once the ants find there way to the necter they work and work and work to feed their young which is called pupea and their queen. which really over eats thats why shes so fat and constantly preagnet.

  3. gary fowler says:

    ants sense of smell really isnt that good

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