COMMON NAME: Caterpillar Hunter
SCIENTIFIC NAME: Calosoma scrutator
Click on the photo to enlarge. Taken 18 Mar 2012.
Blue, red, green, black. The colorful ones of this species is usually out during the day in the foliage hunting caterpillars, but this one is sitting on the wooden house siding.
Another common name is Ground Beetle, or Fiery Searcher.
These are considered very beneficial insects to have around a garden especially if they have some sort of hedgerow as a reliable habitat nearby.