It'll soon be the season (in the northern hemisphere) for these fellas to start buzzing about again. They get bad press, but in fact they do a useful job eating lots of other garden pests. I've been stung once when one flew down my open shirt and they do flipping hurt. Unlike bees they can reload and sting multiple times. Still...

Click image for larger version.  Name: wasp-part-v2.jpg  Views: 157  Size: 104.7 KB  ID: 123837