It was red and black colored, but didn’t look like a ladybug or a box elder beetle, the other red and black bugs we are used to seeing. Thankfully, it wasn’t a black widow either, as those are also black and red colored. This picture shows the differences between our most common red and black bugs. If You See This Red and Black Bug in Idaho or Utah, Don’t Squish ItThe invasive bug isn’t a threat to humans or pets and mainly eats seeds, so it’s more of a nuisance as it might enter your home or infest your grape vines. READ MORE: Are Squash Bugs Considered Stink BugsHave you seen these ‘voodoo bugs’ around your home or yard yet?