
Anyone know why they chill out in big piles?
This is one cluster among millions of ladybugs in the Forest of Nisene Marks.

Anyone know why they chill out in big piles?
This is one cluster among millions of ladybugs in the Forest of Nisene Marks.
Yeah, a Love-In!
Actually, it reminds me of aunts that created a huge tower (or building) that I vaguely recall seeing about on television.
wow! I’ve never seen anything like that…if it weren’t ladybugs it would horrify me, but great capture!
Nice. I found a pile like this in Tilden Park a couple years ago, I should go look and see if they are back this year.
A lady bug orgy? Hmmm…changes my whole perspective on the little fellas.
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Seen on your photo stream. (?)
If you ask me, They are Cloud computing =) sharing their "Bionarydots" for , as Todd suggested, simulating when is the best time to start hibernation =)
eww I like ladybugs, but that’s too many….plus the multitude of the stink bugs around I’m none too happy
Extraordinary Capture! You deserve another Buzz and Bug Award as seen in our pool
Please Tag Your Photo with BuzzNBugz
Extraordinary Capture! You deserve another Buzz and Bug Award as seen in our pool
Please Tag Your Photo with BuzzNBugz
The species is Hippodamia convergens. As somme other ladybirds species (Harmonia axyridis, Hippodamia undecimnotata,…) this one forms aggregates to pass the winter. The reason is not well known. It could be to increase the aposematic signal (we are red = don’t eat us because we are toxic) or a dilution of the predation risk (if predator eat one individual, it will be disgusted by his terrible taste and will not eat other individuals of the aggregate).
This photo and the others in the comments are too weird. I’m scared to look at any more of your photstream.
… but also a little intrigued.
… oh go on then I’ll be brave.
Fascinating shot, and thanks, Gilles, for the scientific info.
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