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Photo#149435
What is this caterpillar going to be? - Eumorpha vitis

What is this caterpillar going to be? - Eumorpha vitis
Tarrant County, Texas, USA
October 1, 2007
Size: Less than 3.5 inches
Today's picture. I would like to keep an eye on this specimen but don't want to disturb nature's process. Apparently it's eaten all the leaves off the vine it's on, and seems sluggish now.

Images of this individual: tag all
Is something wrong with my caterpillar? - Eumorpha vitis Is something wrong with my caterpillar? - Eumorpha vitis What is this caterpillar going to be? - Eumorpha vitis What is this caterpillar going to be? - Eumorpha vitis

The color change
indicates that it's ready to dig into the ground (quite shallow) and pupate. If you want to watch it emerge in a terrarium give it some loose substrate and don't let it dry out completely. Last year I had September pupae of Manduca hatch in late October (in AZ).

 
Thank you
Thank you, Margaret and Michael. I am going to set up a terrarium to keep this caterpillar as you and others have suggested. Should I take any precautions about temperature? We've had mild winters in Texas recently, but we do sometimes have snow and freezing weather.

after it pupates over winter
after it pupates over winter it will emerge as a Sphinx moth.

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