What's That Bug? does not endorse extermination

Subject: Moth larvae group
Location: Chichen Itza, Yucatan
August 1, 2014 1:52 am
Hi
Can you identify this group of, what I guess are, moth larvae. These were in full view at the base of a tree at Chichen Itza, Yucatan, Mexico.
Many thanks
Regards
Signature: Bernard Collen

Aggregation of Ruby Spotted Swallowtail Caterpillars

Aggregation of Ruby Spotted Swallowtail Caterpillars

Good morning Bernard,
Though this is behavior that a person with some knowledge of insects might suspect would indicate that these are moth caterpillars, this is actually an aggregation of Ruby Spotted Swallowtail Caterpillars.  The Ruby Spotted Swallowtail is a lovely butterfly.  This social behavior is likely a survival strategy.

Aggregation of Ruby Spotted Swallowtail Caterpillars

Aggregation of Ruby Spotted Swallowtail Caterpillars

Thanks, Daniel, I am surprised!  I had assumed they were moth larvae.
Thanks again for your prompt reply
Best regards
Bernard

What's That Bug? does not endorse extermination
Location: Yucatán,Chichén Itzá, Mexico

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