What's That Bug? does not endorse extermination

Subject: Spiny caterpillar
Location: Osa Peninsula, Costa Rica
March 27, 2014 3:26 pm
We came across this large spiny/fleshy caterpillar (being eaten by ants) in the Osa Peninsula in Costa Rica at the end of the dry season (middle of March). It was about 3 inches long. Do you know what it would have become?
Signature: Alison

Ants eat Giant Silkmoth Caterpillar

Ants eat Giant Silkmoth Caterpillar

Hi Alison,
Alas, this caterpillar appears to have already become all that it will become, food for Ants.  Were it not attacked, it should have transformed into one of the Giant Silkmoths in the family Saturniidae and the subfamily Hemileucinae, though we have not had any luck verifying the actual species.  We will contact Bill Oehlke to get his opinion.

Daniel,
Only a guess. Automeris postalbida. Color might be off due to near death.
Please always ask for more precise location before sending images. Saves me
time in looking things up. Different species, often very similar, can often
come from different locations. If I know location I might only have to
search through five files instead of fifty as I have species checklists for
most of South and Central America down to one level below national level..
Thanks for thinking of me.
Bill

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What's That Bug? does not endorse extermination
Location: Osa Peninsula, Costa Rica

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