When I first saw the topic for today’s Photography 101 assignment, architecture, my first thought was, “Well, guess I won’t post anything today because there is no way I can tie buildings into my insect blog!” Then I thought about it a bit and realized the insects build structures too. I’ve heard the phrase “insect architecture” many times in reference to these structures, so I went looking for some examples after work today. Some of the insect-made structures I found were formed from bodily secretions by the insects using the structure. Tent caterpillars build their tents out of silk that they excrete:

Some of the tents are getting quite large! I suspect several will get even bigher before the caterpillars abandon them.

This structure is also built from bodily fluids:

That’s the backside of a mantid egg case. When the female mantid first lays her eggs, they are embedded in a sort of foam. That foam hardens into a case that protects the eggs inside. And speaking of eggs, this structure started because of the egg of a fly:

Goldenrod galls are not built by the insect directly – they make the plant do it for them! The fly lays an egg in the stem of a goldenrod plant and the larva that eventually hatches out hollows out a little space around itself as it feeds. Their feeding stimulates the plant to grow more cells around the larva and, over time, the structure in the photo is formed. The gall feeds the developing larva until it pupates and emerges as an adult. In this case, the structure wasn’t directly built by the larva, rather the insect caused the plant to grow  more vigorously around it.

And last, a paper wasp nest:

Or the beginning of one at least. Paper wasps gather bits of dead wood and plants, mix them with saliva, and build these amazing structures. Pretty cool for a home held together by spit!

And with that, my work here is done for the day. See you again tomorrow!


Unless otherwise stated, all text, images, and video are copyright © C. L. Goforth.


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