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Argentine Ants: conquering new niches thru peace and aphid-herding – Marlin Peterson
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Argentine Ants: conquering new niches thru peace and aphid-herding

This image was extremely fun to work on.  It was for an article for Natural History magazine about the triumphant success of so called Argentine Ants. I chose the “pioneer” theme of the wagon, bonnet, cowboy hat, aphid-oxen etc.  to make it a very easy to grasp visual metaphor.

After I had done it, I wondered if it would have been better to have the same main wagon but instead of the other following wagons, it would ride through a vast expanse of thousands of dead ants, (as the one in the foreground).  It perhaps would better suggest the unlikely success of “sweepstakes dispersal”.  Such an image would pay homage to  all the other ants that didn’t make it!

But I digress.  I am quite happy with the image, which is a combination of watercolor and digital coloring.

Back to the ants:  they are known scientifically as Linepithema humile and they have a tendency to become successful at exploiting niches at whatever hostile shore a soft pregnant queen at the brink of death happens to wash up on.

In short, they spend their efforts on food, (not warring with other militant ants), have a propensity to herd scale insects and aphids, and perhaps most importantly have an uncanny ability to intermingle amongst other “colonists”.  Here is a fascinating excerpt from wikipedia:

“They have been extraordinarily successful, in part, because different nests of the introduced Argentine ants seldom attack or compete with each other, unlike most other species of ant. In their introduced range, their genetic makeup is so uniform that individuals from one nest can mingle in a neighboring nest without being attacked. Thus, in most of their introduced range they form “supercolonies”. “Some ants have an extraordinary social organization, called unicoloniality, whereby individuals mix freely among physically separated nests.

In contrast, native populations are more genetically diverse, genetically differentiated (among colonies and across space), and form colonies that are much smaller than the supercolonies that dominate the introduced range. Argentine ants in their native South America also co-exist with many other species of ants, and do not attain the high population densities that characterize introduced populations.

I hope other illustrations like this one will come my way.

I hope you like it, let me know what you think.


  • Johanna

    Marlin!!! Word-um-up, you are an amazing artist, with such unique style and talent. Keep on putting it out there and people will be knocking down your door. I really like this cartoon like piece about the Argentine invader ants, its sweet!!!!!!

    January 25, 2010 at 7:20 PM
  • Ashley

    Where are all the Indian ants…with their diseased blankets, as a way of ‘natural selection’? Oh no, that was too much of a political statement. This is so awesome!!!!! Good work bud, keep it up! I’m super excited that you are getting your stuff published! That’s something to be so proud of! Congrats!!!!!!!

    January 26, 2010 at 10:42 AM
  • Ant

    Totally radical/rad. 😀

    February 28, 2010 at 9:00 PM
  • Ant

    FYI. has your image because it is awesome! 😉

    July 3, 2010 at 10:37 AM
  • Ant

    Oh and I did not see your other ant images. I will go check!

    July 3, 2010 at 10:38 AM

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