An adult Assassin bug is 12 to 33 mm long. Some species are brightly colored, others are not. The beak is usually curved and tucks under head into a groove. It is found naturally in most gardens where insects are present. It is a predator of many common pest species of insects, including flies and caterpillars.
Carrots actually come in a range of colours. White and yellow carrots come from Europe, and purple ones come from the Middle East. The orange ones are a fairly recent invention, created by crossing various other colours.