LARGE Caterpillar
Thu, Oct 9, 2008 at 9:32 AM
I found this 8 inch long black caterpillar in my pool skimmer. It is the size of a cigar, has a green face and a green antennae poking up from it’s butt. And it stinks! We live in North Jeannine,
Phoenix, Arizona

Incense Cedar Sphinx Caterpillar

Incense Cedar Sphinx Caterpillar

Hi Jeannine,
Though we question the exact size of your caterpillar, we will agree that Sphinx Moth Caterpillars can get quite large. We suspect this may be an Incense Cedar Sphinx Caterpillar, Sphinx libocedrus . Except for the color of the horn, it seems to match the dark form of
the caterpillar on Bill Oehlke’s website. We are going to copy Bill Oehlke on our reply as he is compiling comprehensive data on species distribution. We also hope he will confirm our identification.

Thank you for keeping me in check. I was so impressed with it’s size and smell, that I was too excited to remember to take a pic with a ruler. So you are quite right, it is “only” about 5 1/2 inches long. I’ve attached the pic I took this AM with my tape measure. And if you could copy me on Bill’s response to your e-mail, I would greatly appreciate it.
Thanks for the info!

I think it is an unusual dark Manduca rustica. I am going to send it and another similar one I received couple weeks ago, also from Arizona, to Jim Tuttle. Will let you know.
Bill Oehlke

Thanks Daniel,
Don’t know if I emailed you but Jim Tuttle has confirmed the dark larva found in swimming pool in Arizona as Manduca rustica.
Bill Oehlke

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