I took a picture of this "hummingbird" moth the other day. I didn't even realize it was a bug until I looked at it on the computer! You can see it's antenna and six legs. Here's a link to more information on this critter on the US Forest Service website.
http://www.fs.fed.us/wildflowers/pollinators/pollinator-of-the-month/hummingbird_moth.shtml
http://www.fs.fed.us/wildflowers/pollinators/pollinator-of-the-month/hummingbird_moth.shtml