World’s Strangest

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When Army Ants Attack!


Photo: Alex
Wild

That’s an Eciton hamatum soldier ant from the Jatun Sacha reserve,
Ecuador, taking a big bite (well, relative to its size) out of Alex Wild’s
skin. Ouch!

The ant’s ice-tong mandibles latch onto the enemy and give her the leverage
to use her stinger at the rear end of the ant. This makes her very difficult
to remove (notice the mandible buried deep inside the skin).

The soldier caste of Eciton hamatum is similar to that of E. burchellii,
bearing the same defensive tusks. Eciton hamatum soldiers, though, have
a much larger set of horns along the back corners of the head. These
protrusions presumably protect the ant’s vulnerable neck in fights
with other ants, and this species certainly spends a great deal more
time fighting other ants than does E. burchellii.

Despite the scary look, Alex told us that E. hamatum isn’t actually that
bad:

If you’ve got an assignment to shoot army ants and your editor
neglects to specify the species, I’d hold out for these guys.
You won’t get swarmed over, gored, bitten, stung up, or otherwise
assaulted anywhere near the amount you suffer by approaching the vicious
E. burchellii. [...]

On a personal note, I found photographing this species to be great
fun. Most of my Eciton encounters over the years have been with E. burchellii
or E. vagans. In comparison, E. hamatum is charming. Their physique
is a bit more pudgy, they are an unusual shade of orange, and they are
much less aggressive. The effect is almost comical.

Check out more of Alex Wild’s fantastic photographs of Army Ants from
around the world: Link
| Gallery
Thanks Alex!

Post Metadata

Date
September 25th, 2011

Author
Stranger to the World

Category



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