Submitter does not have a specimen
The insect species resembled a bumble bee, except that its head was green. The species was less than a centimeter in length, kelly green head (not metallic), with black and yellow striped body.
Reporter
Sept. 15, 2008, 3:07 p.m.
Lisa DeBruyckere
Sept. 17, 2008, 9:15 a.m.
It sounds like a Halictid wasp from the genus Agapostemon see http://bugguide.net/node/view/7997 for images.
You can check the website hyperlink above to see if the images match those of the insect you saw.
Thanks for your report!
Lisa DeBruyckere
Sept. 18, 2008, 2:26 a.m.