''Deraeocoris ruber'' is a species of bugs in Miridae family that can be found anywhere in Europe, except for Azores, Canary Islands, Cyprus, Faroe Islands, Finland, Iceland, Malta and parts of Russia. The nymph of the species is black coloured with pinkish back. Adults top is either orange or black coloured, while the cuneus is always red. They have shiny forewings with an unbanded tibiae and the 1st antennal segment. The species feed on nettles and small insects.