Tag butterflies

Ahoy, Matey!

I am a sucker for butterfly stories. This one appeared in the Sunday edition of the Washington Post. It’s a first-hand account by the Post’s former Beijing bureau chief Dan Southerland about his chance encounter with a Red Admiral butterfly that hitched a ride on his shirt collar and spent the last several weeks living in his suburban D.C. garden. The butterfly would let Southerland approach closely, and even seemed to miss him when they were not able to see one another every day. Whether the butterfly died or started out on its southward migration for the winter, the writer cannot say (from the wing damage in the picture above, I’d guess the butterfly probably didn’t make it), but it’s a charming story. Here’s a picture of a Red Admiral in all its glory:

Red Admirals are not the only people-friendly butterflies. Butterfly habitats have become popular attractions for science museums and animal parks and zoos, and most of them feature the blue morpho butterfly, which is extremely people-friendly. (Insert shameless self-plug for my butterfly story from 2000 here)

You might remember that back in May we hatched a bunch of Painted Lady butterflies. I never did get a good picture of them, just this one picture of the chrysalises:

They all emerged from their chrysalises successfully, and we kept them in the big butterfly cage they came with for a couple of weeks before letting them go. Painted Ladies only live for three or four weeks and it did not seem fair to keep them cooped up for their entire lifecycle. One morning in June, Charlotte and I stood on the front steps and opened the door of the cage. I had to shake the cage a bit to get them to fly out, but they did eventually, one at a time. HarryHarryHarry watched with alert interest and tried to snag each one as it flew out, but they were too high for him to reach. Unlike Don Southerland’s friend, our butterflies showed no interest in maintaining a relationship at all and simply fluttered off.

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The Bright Elusive Butterflies Of Love

Parenthood is often a very interesting object lesson in perspective. The memories we have of our own childhoods are quite often subverted and revisited through the lens of our children’s experience. Similarly, we gain insight, very often a great deal of sympathy, and (sadly) an occasional taste of bitterness for the way our parents must have felt. These effects are often amplified because we literally retrace our steps as children through many of the same places and activities we remember and cherish. I have had this go both ways — revisiting places that were integral parts of my childhood and re-discovering their magic through Charlotte’s wonder and amazement, and returning to places that I hadn’t seen in thirty-odd years only to be disappointed or saddened by how they changed (or how I had changed).

We’re heading down a trodden path right now that should be a good experience. A few weeks ago, Charlotte started talking to me one morning about wanting something she’d seen on a TV commercial. This isn’t a novel experience; I am often besieged with requests for Moon Sand, Kids Rock CDs, various breakfast cereals and/or sugary snacks and the occasional erectile dysfunction drug. It took me a couple of tries, though, to get what exactly she was going on about. Eventually I was able to parse out that she wanted to order a butterfly kit. You send away, get a half dozen caterpillars, watch them pupate, and, hopefully, hatch into butterflies. Ah, the miracles of nature! The Circle of Life! All for $29.95 plus shipping and handling!

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The Evolutionary War

Ant v. Butterfly

There are a number of species of animals which have evolved to use parasitic methods to rear their young. You’re probably the most familiar with the cuckoo, which notoriously lays its eggs in the nests of other birds so that their chicks will overpower the mother bird’s own chicks and get the benefit of the mother bird’s feeding. There are also several varieties of wasp, including the aptly-named cuckoo wasp, which use similar methods.

This article at Nature News (the public website of the scientific journal Nature) tells us that a species of butterfly called the Alcon Blue also uses brood parasitism: its larvae (caterpillars) work their way into the nests of wood ants and through the use of a chemical they excrete mimic the smell of the ants’ own larvae. The ants are thus tricked into thinking the caterpillars are their own offspring and feed and care for them until they pupate. But what’s unique about this symbiotic relationship is that the ants keep evolving new chemical scents that let them distinguish between the ant and butterfly larvae. And, in response, the butterflies counter-evolve to keep up with the changes, resulting in a sort of escalating evolution. Evolutionary biologists call this co-evolution the “Red Queen Theory”.

Unless, of course, you’re a creationist like Mike Huckabee, and believe that there is no evidence for evolution.

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