What's That Bug? does not endorse extermination

Unknown Caterpillar
Location: York, Pennsylvania USA
August 22, 2011 6:21 pm
Hi, I have a smooth green caterpillar we found near our stream. It is pale gray on the back, lime green on the sides with black dots and white halos around the dots. It has a yellow ring around its head and rear end. It had a black ”tail” with a yellow base. We looked in 3 books but couldn’t find it. Any help would be appreciated.
Signature: Mercy

Snowberry Clearwing Caterpillar

Hi Mercy,
This is the caterpillar of a Snowberry Clearwing or Bumblebee Moth,
Hemaris diffinis.  The adults are diurnal sphinx moths that are often mistaken for hummingbirds.  You may read more about this species on The Sphingidae of the Americas website. 

Daniel,
Thank you so much for your ID and your information. I really appreciate it! -Mercy Harris

What's That Bug? does not endorse extermination
Location: Pennsylvania

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