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.
All parts of the oleander (Nerium oleander), a beautiful Mediterranean-native flowering shrub, are poisonous. Ingesting oleander leaves can cause gastrointestinal, cardiac, and central nervous system problems and possible death.