As I pinned a shirt to the wash line, I saw Tyler coming to find me, a reading
book in his hand. He needed to read aloud, but noticing I wasn’t ready for that,
he deviated from the sidewalk and scuffed his foot in the dirt beside the house.
He poked around for a minute, then asked, “Have you seen these bugs?”
Considering they were hidden behind a stubby tree in the flowerbed, I
hadn’t.
“You really should see them. They make holes in the dirt and if you drop
an ant into the hole, dirt pops up like a little volcano.”
My
eyebrows popped up, too, and soon I crouched behind the tree in the flowerbed while
my young entomologist gave me a further education on antlions. Had I noticed them
previously, I would have assumed that the pockmarks in the dirt were created by
water dropping from the eaves. But, no. They were live traps, made by antlion
larvae.
“See? The walls of these holes
are so steep that the ants can’t get back out.”
We dropped an ant into one of the craters and watched it scrabble at the
smooth sides. Then, suddenly, he said with his voice rising in excitement, “Look! The dirt is
popping up!” Indeed! From the center of the hole, dirt was being kicked up a
centimeter high, as if a mini popcorn popper was at work. This action helps knock the ant into mandibles waiting at the bottom of the hole. The antlion was having his lunch.
It was my first encounter with antlions. Impressed with both the bug and
my son’s knowledge of them, I changed the day’s penmanship assignment from copy
work to writing a paragraph about this intriguing insect.
As he worked, he said, “Mom, don’t you think antlions would make an
interesting blog post?”
I did. And so, with his permission, here is a picture and a small report,
both courtesy of my son.
Backyard
Volcanoes
Tyler
Nolt, age 8
There are so many interesting bugs
in Ghana.* This bug makes his house like a bowl of a funnel. If you put an ant
in it, or if an ant crawls in it, it cannot climb out because the sides are so
smooth. Then dirt shoots out like lava from a big volcano when the bug eats
them. The name of this bug is called an antlion.
Tyler's picture of the lions' dens. |
Our very own antlion. Photo credits to Adriel. |
*Antlions are found worldwide. In the States, the larvae are sometimes called doodlebugs because of the squiggly lines they make in sand. The adults look like a damselfly.
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