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Millipede in rotting bark

Millipede in rotting bark
Coral Gables, Miami-Dade County, Florida, USA
January 12, 2016
Size: ~1/4"
Found under a rotting chunk of bark.

One of several south Florida
One of several south Florida introduced species of the family Pyrgodesmidae, order Polydesmida

Moved from Millipedes.

This is a Pyrgodesmidae milli
This is a Pyrgodesmidae millipede, possibly an introduced species. I'm not sure what the genus is, but Dr. Shelley might know. Very nice photo, thanks for submitting it!

Thank you!
Thank you! Pyrgodesmidae, are they the millipedes that can secrete hydrogen cyanide as a defense? I recall it might be desmidae that can do that.

Many Polydesmida can produce
Many Polydesmida can produce hydrogen cyanide, such as Xystodesmidae and Euryuridae, but Pyrgodesmids don't. Their chemical defenses are various nitroethylbenzenes, according to Shear 2015.

Moved from ID Request.

Why was this moved? I don't s
Why was this moved? I don't see any ID beyond Diplopoda.

Standard practice
Many experts never even look in ID Request. Images are moved into the Guide where they are more likely to be seen and identified.

Cool, thank you!
Cool, thank you!

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