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All photographs and text are my own, unless otherwise noted. All text and images appearing on www.thebuggeek.com © C. M. Ernst 2009-2013 and may not be used without prior permission. See "About the Photographs" to learn more.
I think the tittle fits the post very well.
What on earth???
So far, no ideas. Although Katie has done some legwork to track down an answer, we’re still looking for the solution to this mystery!
I’m curious to know, too. I’ve e-mailed Dr. Rowland Shelley at the North Carolina State Museum of Natural Sciences with a link to your post. If he doesn’t know, maybe he knows someone who does.
Let’s hope he might be able to pass it on to someone else…maybe I can track down some local folk who might know…
First can I say how freaking awesome that last photo is (even if it’s of a not-so-living millipede)? BugShot2011 is paying for itself already!
As for the millipedes, I’ve also seen a number of these same millipedes dead in similarly conspicuous spaces throughout the summer! I had assumed some sort of fungal or viral assassin, but those are some extremely high numbers of death in your woodland, so maybe something more sinister is afoot! Can’t wait to hear more about what you find out!
These millipedes are victims of a pathogenic fungus. Kathie Hodge at Cornell would probably be interested in specimens if you find any more.
Charley, I just discovered your comments in my “spam” bin! I’m so glad I looked because it it’s clear that you’re the person responsible for directing Kathie to this post. Thank you so much for this information (and for trying valiantly to repost it – your second comment got eaten by the spam filter too!) You’ve got a really nice blog and a great photographic eye…a new read for my blogroll!
Ah, that explains it! I think my including a link in the comment must have been what sent it to the spam bin. The same thing happened when I posted a link to your site on Kathie’s blog–but in that case I was alerted that my comment had been marked as spam, so I emailed her directly. Glad you two were able to connect!
I’ve seen mass migrations of millipedes and it is possible these are the ones that fell along the way. The story I heard is that dry autumn conditions stimulate the mass exodus (and they sometimes end-up in people’s basements), but I’d be interested to hear what Roland Shelley has to say.
Dr. Shelley didn’t have much to say except that cedar areas were not good habitats for millipedes. I’m going to forward him the information about Kathie Hodge’s research.
Oooo, ahhh, I know these. They are all killed by a handsome fungus that I have been working on. Right now I’m terribly curious about their distribution and host range, so I’d love so see some dried specimens, even crummy ones, and know where they’ve been spotted. Hello! and my thanks to Charley Eiseman for tipping me off to your nice blog.
Kathie, THANK you for chiming in on this! I will be in the woods today with the dogs and will do my best to collect any remnants (there aren’t many left – scavenging I think), but I’ll get what I can. I’ll be in touch!
Two vials of millipede carcasses and some GPS coordinates are yours for the taking, Kathie!
Also, I should say that I’m very pleased to learn that my first guess (fungal pathogen) was correct, even if the googles said such a thing didn’t exist! 🙂
Cordyceps maybe? Whatever it is I wish we had some around here.. Millipedes every where in summer…inside…bad..
Actually they sell some kind of cedar spray meant to deter them here in Japan.. Maybe the cedar killed them?
I’ve since learned that it was an entomopathogenic fungus – a bug-killer – that specifically targets millipedes. The fungus changes their behaviour and causes them to climb up onto high places, where they die. Being up high means that the fungal spores have a better chance of spreading around and being cast about by the wind! It’s an absolutely fascinating system!
Do you have any updates about this, Crystal? It’s something I should keep an eye out for as I hunt for millipedes.
I do, actually, but I’m waiting a bit to hear from someone…actually, that reminds me that it was on my list of things to do. Let me check in with my contact, and I’ll get back to you!