theoldwolf: (Default)
theoldwolf ([personal profile] theoldwolf) wrote2010-06-28 07:40 pm
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Fireflies

We don't have fireflies in Utah - it's too hot and dry. So they are one of the things I look forward to enjoying when I get back east. I recall seeing many on a trip to DeKalb, Illinois in the 80's, and always enjoy them whenever I'm on the Kellogg farm in Gap Mills.

The other night ToniAnne and I went into the countryside northeast of Harrisonburg to visit a friend. The conversation continued well into the gloaming, and we sat outside and watched the flashing jewels rise out of the grass and commence their nightly routine of "Here I am! Come boink me!" There were so many that the large trees on the property twinkled as though it were Christmas. I have never seen so many lightning bugs at once in my life.

Oh, yeah - and coming back from PonyCon we drove through the evening migration. Did you know that if a firefly is "on" when he hits your windshield, the blob of glup left behind continues glowing green for a few seconds...

[identity profile] ccdesan.livejournal.com 2010-06-30 01:09 am (UTC)(link)
The glow is actually created by the enzyme luciferase acting on luciferin, in the presence of magnesium ions, ATP, and oxygen. Some examples of bioluminescence are caused by symbiotic bacteria, such as in certain species of squid, but fireflies do not use this mechanism.

[identity profile] kusanagi-sama.livejournal.com 2010-06-30 02:04 am (UTC)(link)
Ah, I didn't know that. And knowing is half the battle.